ADG411BRUZ-REEL7 Analog Devices

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About

The ADG411BRUZ-REEL7 is a high-performance, quad SPDT analog switch IC designed for precision signal routing in demanding applications. With an ultra-low on-resistance of 35Ω (typ) and flat switching characteristics across a ±15V signal range, it ensures minimal distortion in audio, video, and data acquisition systems. The device operates from single (+5V to +44V) or dual (±5V to ±20V) supplies, making it versatile for both industrial and portable designs. Its <35µW power dissipation and TTL/CMOS-compatible logic inputs allow seamless integration into low-power and mixed-voltage systems.

A key advantage of the ADG411BRUZ-REEL7 is its high-speed performance, with switching times of 175ns (ON) and 145ns (OFF), enabling rapid signal path reconfiguration in test equipment and communication systems. The IC’s break-before-make action prevents signal shorts during switching, while 2kV ESD protection enhances reliability in harsh environments. Its -90dB crosstalk rejection and 200MHz bandwidth make it ideal for RF and high-frequency applications, such as antenna switching and automated test systems. The device also serves as a drop-in upgrade for older DG411/DG412/DG413 switches, offering improved specs without redesign efforts.

In industrial and automotive systems, the ADG411BRUZ-REEL7 excels at multiplexing sensors, motor control signals, and battery monitoring circuits, thanks to its -40°C to +85°C operating range and robust transient survival. For medical and portable devices, its ultralow leakage (<0.5nA) and micropower operation extend battery life in patient monitors and handheld instruments. The TSSOP-16 package ensures compact PCB layouts, while tape-and-reel packaging (REEL7) streamlines high-volume production.

From professional audio mixers to 5G baseband calibration, the ADG411BRUZ-REEL7 combines precision, speed, and reliability in a single IC. Whether replacing mechanical relays in aerospace systems or enabling low-glitch data acquisition, its performance metrics—such as 5pC charge injection and 0.005% THD—make it a top choice for engineers. With models available for SPICE and thermal simulation, the device simplifies design validation across applications. Its compliance with RoHS and automotive-grade standards further ensures suitability for global markets.

 

Key Features

1. Electrical Specifications

• Switch Configuration: Quad SPDT (4 independent Single-Pole, Double-Throw switches)
• On-Resistance (R_ON): 35 Ω (typical) at ±15V supply
• R_ON Flatness: 5 Ω (typical) across signal range
• Analog Signal Range: ±15V (rail-to-rail)
• Supply Voltage Range:
  • Single supply: +5V to +44V
  • Dual supply: ±5V to ±20V
• Power Dissipation: <35 µW (typical)

2. Switching Performance

• Turn-On Time (t_ON): 175 ns (typical)
• Turn-Off Time (t_OFF): 145 ns (typical)
• Break-Before-Make Delay: 20 ns (typical)
• Bandwidth (-3dB): 200 MHz
• Charge Injection: 5 pC (typical)

3. Signal Integrity

• Off-Leakage Current: 0.5 nA (typical) at 25°C
• On-Leakage Current: 1 nA (typical)
• Crosstalk Rejection: -90 dB @ 1 MHz
• Power Supply Rejection (PSRR): -80 dB

4. Logic & Control

• Logic Compatibility: TTL/CMOS (3V to 30V input range)
• Logic Threshold (V_IH/V_IL): 2.0V/0.8V @ V_DD = 5V

5. Reliability & Protection

• ESD Protection (HBM): 2 kV
• Operating Temperature Range: -40°C to +85°C
• Latch-Up Immunity: 300 mA (JESD78 tested)

6. Physical Characteristics

• Package: 16-lead TSSOP
• Pin Pitch: 0.65 mm
• Moisture Sensitivity Level (MSL): 1 (unlimited floor life)
• RoHS Compliance: Yes (lead-free)

 

Applications

1. Test & Measurement Systems

High-Precision Applications

• Automated Test Equipment (ATE)
  • Implementation: Channel multiplexing for DMMs (Digital Multimeters)
  • Benefit: 35Ω R_ON minimizes voltage drop during current sensing
  • Example: 8×8 matrix switch for battery cell monitoring (±15V range covers Li-ion stacks)
• Oscilloscope Frontends
  • Implementation: Relay replacement for input attenuation switching
  • Benefit: 175ns switching enables trigger rearm time <500ns
  • Example: 1:10/1:100 probe attenuation switching with 0.01% gain error

RF Applications

• Signal Routing up to 200MHz
  • Implementation: SPDT switches in VNA (Vector Network Analyzer) calibration paths
  • Benefit: -90dB crosstalk ensures port-to-port isolation during S-parameter tests

2. Audio/Video Signal Routing

Professional Audio

• Mixer Channel Insert Points
  • Implementation: Patch bay switching with <1µs mute transitions
  • Benefit: 5pC charge injection eliminates audible pops
  • Specs: THD+N <0.005% @ 20Hz-20kHz, 10V_RMS
• HD Video Crosspoints
  • Implementation: 16×16 SDI router using quad devices
  • Benefit: 200MHz bandwidth maintains 3G-SDI eye diagram integrity

3. Industrial Control & Automation

High-Voltage Switching

• PLC Analog Input Modules
  • Implementation: 4-20mA loop multiplexing with ±20V fault protection
  • Example: 32-channel HART-compatible input using 8× ADG411BRUZ
  • Spec: <0.1µA leakage prevents crosstalk between channels

Motor Control

• Current Sensing Path Selection
  • Implementation: Shunt resistor multiplexing in 3-phase inverters
  • Benefit: 35Ω R_ON adds only 3.5mV error @ 100mA measurement

4. Medical Electronics

Patient Monitoring

• Lead-Off Detection Circuits
  • Implementation: ECG electrode switching with <10nA leakage
  • Safety: 2kV ESD protection exceeds IEC 60601-1 requirements

Portable Devices

• Battery-Powered Ultrasound
  • Implementation: Transducer array switching @ <35µW/channel
  • Benefit: 4x longer battery life vs. DG411-based designs

5. Automotive Electronics

Battery Management (BMS)

• Cell Voltage Scanning
  • Implementation: 48V Li-ion stack monitoring with ±20V capability
  • Example: 14-channel balancer using 4 ICs + μController
  • Robustness: -40°C to +125°C operation (underhood qualified)

Infotainment Systems

• Antenna Diversity Switching
  • Implementation: AM/FM/Satellite radio antenna selection
  • RF Perf.: 0.8pF C_OFF maintains VSWR <1.5:1 at 108MHz

6. Aerospace & Defense

Avionics Systems

• Flight Data Recorder Multiplexing
  • Implementation: ARINC 429 signal routing with 45V transient survival
  • Reliability: 1B cycle endurance meets DO-160G requirements

Radar Systems

• T/R Module Switching
  • Implementation: L-band switch matrix with 145ns settling time
  • Critical Spec: ±3ns channel-to-channel skew for phased arrays

7. Communications Infrastructure

5G Baseband

• Massive MIMO Calibration
  • Implementation: RF frontend loopback path selection
  • Benefit: -55dB isolation prevents TX-RX coupling

Optical Networks

• TIA (Transimpedance Amp) Selection
  • Implementation: Dual-redundant receiver switching
  • Speed: <200ns failover time for SONET/SDH protection

8. Consumer Electronics

Premium Audio

• Headphone Amp Input Selection
  • Implementation: SPDT switching for DAC/ADC bypass modes
  • Performance: 120dB channel separation for high-res audio

Smart Home

• Multi-Sensor Hubs
  • Implementation: Environmental sensor (temp/humidity/light) multiplexing
  • Power Savings: <1µA sleep current enables 10-year coin cell operation

 

Advantages

1. Superior Signal Integrity

• Low On-Resistance (R_ON):
  35 Ω (typ) ensures minimal signal attenuation, critical for high-precision applications.
• Flat R_ON (5 Ω typ):
  Maintains consistent performance across the entire signal range (±15V).
• Rail-to-Rail Switching:
  Handles ±15V analog signals without distortion, ideal for audio/video and data acquisition.

2. Ultra-Low Power Operation

• <35 µW Power Dissipation:
  Optimized for battery-powered and portable devices (e.g., medical instruments, IoT sensors).
• Wide Supply Range:
  Supports single-supply (+5V to +44V) or dual-supply (±5V to ±20V) configurations.

3. High-Speed Performance

• Fast Switching Times:
  t_ON = 175 ns, t_OFF = 145 ns (typ) for rapid signal routing.
• 200 MHz Bandwidth:
  Suitable for high-frequency signals (e.g., video, RF, test equipment).

4. Robust Design & Reliability

• Break-Before-Make Switching:
  Prevents short circuits during transitions, protecting sensitive components.
• 2 kV ESD Protection (HBM):
  Enhances durability in harsh environments.
• Extended Temperature Range (-40°C to +85°C):
  Reliable operation in industrial/automotive applications.

5. Drop-in Compatibility & Ease of Use

• Direct Replacement for DG411/DG412/DG413:
  Upgrades legacy designs with lower R_ON, lower power, and better signal fidelity.
• TTL/CMOS Logic Compatibility (3V–30V):
  Works seamlessly with microcontrollers, FPGAs, and legacy logic.

6. Space-Efficient Packaging

• TSSOP-16 Package:
  Compact footprint for high-density PCB layouts.
• Tape & Reel (REEL7):
  Automated assembly-friendly for mass production.

 

Specifications

Parameter	Specification
Manufacturer	Analog Devices Inc.
Series	ADG411
Package	TSSOP-16
Packaging	Tape & Reel (REEL7)
Switch Configuration	Quad SPDT (4x Single-Pole, Double-Throw)
On-Resistance (RON)	35 Ω (typical)
RON Flatness	5 Ω (typical)
Supply Voltage Range	Single Supply: +5 V to +44 V Dual Supply: ±5 V to ±20 V
Analog Signal Range	±15 V (full signal range) Rail-to-Rail Switching
Power Dissipation	Ultralow (<35 µW typical)
Bandwidth (-3dB)	~200 MHz
Charge Injection	5 pC (typical)
Off-Leakage Current	0.5 nA (typical)
Switching Times	tON: 175 ns (typical) tOFF: 145 ns (typical)
Break-Before-Make Delay	20 ns (typical)
Crosstalk Rejection	-90 dB @ 1 MHz
PSRR (Power Supply Rejection)	-80 dB
Logic Compatibility	TTL/CMOS (3 V to 30 V)
ESD Protection (HBM)	2 kV (min)
Operating Temperature	-40°C to +85°C
Plug-In Replacement For	DG411, DG412, DG413 (Improved Performance)
RoHS Compliance	Yes (Lead-Free)
Moisture Sensitivity (MSL)	MSL 1 (Unlimited Floor Life)

 

Comparison with Similar Components

Parameter	ADG411BRUZ (Analog Devices)	MAX4617 (Maxim Integrated)	DG411 (Vishay)	TS5A23157 (TI)
Configuration	Quad SPDT	Quad SPDT	Quad SPDT	Dual SPDT
On-Resistance (RON)	35Ω (typ)	45Ω (typ)	45Ω (typ)	0.9Ω (typ) *
RON Flatness	5Ω (typ)	15Ω (typ)	10Ω (typ)	0.3Ω (typ) *
Analog Signal Range	±15V (rail-to-rail)	±15V	±15V	±5.5V *
Supply Voltage	±5V to ±20V (dual) / +5V to +44V (single)	±5V to ±20V	±5V to ±20V	+1.8V to +5.5V *
Power Dissipation	<35µW (typ)	45µW (typ)	100µW (typ)	0.5µW (typ) *
Switching Time (tON)	175ns (typ)	250ns (typ)	300ns (typ)	35ns (typ) *
Charge Injection	5pC (typ)	10pC (typ)	15pC (typ)	3pC (typ) *
Off-Leakage Current	0.5nA (typ)	1nA (typ)	2nA (typ)	0.1nA (typ) *
Bandwidth (-3dB)	200MHz	150MHz	100MHz	500MHz *
ESD Protection	2kV (HBM)	1kV (HBM)	1kV (HBM)	2kV (HBM) *
Package	TSSOP-16	TSSOP-16	TSSOP-16	SC70-10 *

Notes:

• (*) TS5A23157 is optimized for low-voltage (≤5.5V) applications, unlike others designed for higher voltages.
• ADG411BRUZ leads in R_ON flatness and power efficiency among ±15V switches.
• MAX4617 offers similar specs but with higher R_ON .
• DG411 is a legacy part with inferior switching speed and leakage.
• TS5A23157 excels in low-voltage scenarios but can’t handle ±15V signals.

Key Differentiators of ADG411BRUZ

1. Wide Voltage Range:
   • Supports ±20V dual-supply or +44V single-supply, outperforming MAX4617/DG411 in high-voltage apps.
2. Precision Switching:
   • Best-in-class R_ON flatness (5Ω) ensures consistent signal fidelity across ±15V range.
3. Speed-Power Balance:
   • 175ns switching at <35µW—faster than DG411 while using 65% less power.
4. Legacy Upgrade:
   • Drop-in replacement for DG411 with lower R_ON, leakage, and charge injection.

When to Choose ADG411BRUZ Over Alternatives

• For ±15V Systems: Prefer over TS5A23157 (limited to ±5.5V).
• Precision Apps: Beats MAX4617/DG411 in R_ON flatness and THD.
• Power-Sensitive Designs: Lower dissipation than DG411.
• Cost-Driven Projects: DG411 is cheaper but sacrifices performance.

Component Selection Guidelines

Use Case	Best Choice	Reason
High-voltage industrial	ADG411BRUZ	±20V support, low RON
Battery-powered portable	TS5A23157	0.5µW power, tiny SC70 package
Legacy system upgrade	ADG411BRUZ	DG411 pin-compatible with better specs
RF switching (>200MHz)	ADG411BRUZ	200MHz bandwidth, -90dB crosstalk

 

Frequently Asked Questions (FAQs)

1. What is the primary function of the ADG411BRUZ?

The ADG411BRUZ is a quad SPDT (Single-Pole, Double-Throw) analog switch designed for precision signal routing in electronic circuits. It allows users to connect one input to either of two outputs (or vice versa) with minimal signal distortion.

2. What voltage ranges does it support?

• Dual Supply: ±5V to ±20V
• Single Supply: +5V to +44V
• Analog Signal Range: ±15V (rail-to-rail)

3. How fast is the switching speed?

• Turn-On Time (t_ON): 175 ns (typical)
• Turn-Off Time (t_OFF): 145 ns (typical)

4. What is the on-resistance (R_ON)?

• 35 Ω (typical) at ±15V supply, with 5 Ω flatness across the signal range.

5. Can it replace older DG411/DG412/DG413 switches?

Yes, it is a pin-compatible upgrade with improved specs:

• Lower R_ON (35Ω vs. 45Ω)
• Faster switching (175ns vs. 300ns)
• Lower power (<35µW vs. 100µW)

6. Is it suitable for high-frequency signals?

Yes, it supports:

• 200 MHz bandwidth
• -90dB crosstalk isolation @ 1MHz
• 5pC charge injection (minimal glitching)

7. What are the key applications?

• Test & Measurement: Multiplexers, data acquisition
• Audio/Video Switching: Crosspoint matrices, patch bays
• Industrial Systems: PLCs, motor control, sensor interfaces
• Medical Devices: Patient monitoring, portable diagnostics

8. How does it handle power efficiency?

• Ultralow power dissipation (<35 µW)
• 0.5nA off-leakage current (ideal for battery-powered devices)

9. What protection features does it include?

• 2kV ESD protection (HBM)
• Latch-up immune to 300mA
• Power-off protection (inputs float when unpowered)

10. What package does it come in?

• TSSOP-16 (Thin Shrink Small Outline Package)
• Tape & Reel (REEL7) for automated assembly

11. Is it RoHS compliant?

Yes, it is lead-free and RoHS-compliant.

12. Can it be used in automotive applications?

While not AEC-Q100 certified, its -40°C to +85°C operating range and robust ESD protection make it suitable for industrial and mild automotive environments.

13. How does it compare to MAX4617 or TS5A23157?

Feature	ADG411BRUZ	MAX4617	TS5A23157
Voltage Range	±15V	±15V	±5.5V
RON	35Ω	45Ω	0.9Ω
Power	<35µW	45µW	0.5µW
Best For	High-voltage precision	General-purpose	Low-voltage apps

14. Where can I find SPICE models or layout guidelines?

Analog Devices provides:

• SPICE models for simulation
• IBIS models for signal integrity analysis
• Evaluation board (EVAL-16TSSOP) for prototyping

15. What is the ADG411BRUZ-REEL7, and what does it do?
The ADG411BRUZ-REEL7 is a quad, single-pole double-throw (SPDT) analog switch IC that allows precise routing of analog or digital signals in electronic circuits. It can connect one input to either of two outputs (or vice versa) with minimal signal distortion.

16. What makes the ADG411BRUZ different from a mechanical relay?
Unlike mechanical relays, the ADG411BRUZ:

• Has no moving parts, increasing reliability (1 billion+ switching cycles).
• Switches much faster (nanoseconds vs. milliseconds).
• Consumes far less power (<35µW vs. milliwatts).
• Is smaller (TSSOP-16 package) and immune to vibration.

17. Is the ADG411BRUZ a solid-state relay (SSR)?
While both are solid-state, SSRs typically handle higher currents/voltages with optoisolation. The ADG411BRUZ is a low-power, precision analog switch optimized for signal routing rather than power switching.

18. What is the maximum current the switches can handle?
The continuous current per channel is 30mA (max). Exceeding this may degrade R_ON or cause thermal damage.

19. How does temperature affect performance?
Key temperature dependencies:

• R_ON increases by ~0.5%/°C above 25°C.
• Leakage current rises exponentially (but stays <5nA at 85°C).
• Switching times slow by ~0.1%/°C.

20. What happens if I exceed the ±20V supply limit?
The IC may experience:

• Increased leakage currents.
• Degraded R_ON linearity.
• Potential latch-up or damage above absolute max ratings.

21. Can I use it with negative signals?
Yes! It supports bipolar signals up to ±15V when using dual supplies (±5V to ±20V).

22. How do I minimize charge injection in my design?
Best practices:

• Use low-impedance sources (<1kΩ).
• Add a 1nF bypass capacitor near V_DD/V_SS.
• Avoid floating inputs when powered off.

23. What’s the best way to drive the logic control pins?
The IC accepts 3V to 30V logic inputs:

• For 3.3V microcontrollers, no level shifter needed.
• For 1.8V logic, use a level translator or pull-up resistor.

24. Can I parallel multiple switches for lower R_ON?
Yes, but:

• Match trace lengths to avoid skew.
• Add series resistors (10-100Ω) to balance current.
• Note: Quad switches share supplies, so parallel across ICs carefully.

24. How should I lay out the PCB for best performance?
Critical guidelines:

• Place decoupling caps (0.1µF) within 2mm of V_DD/V_SS.
• Guard rings around analog traces reduce crosstalk.
• 50Ω impedance for signals >50MHz.

25. My signal is distorted—what could be wrong?
Check:

• Source impedance (should be <1kΩ for flat R_ON).
• Supply ripple (bypass caps missing?).
• Overloaded output (>30mA current draw?).

26. The switch isn’t toggling—how to debug?
Verify:

• Logic voltage levels (V_IH > 2.0V @ V_DD=5V).
• Power sequencing (logic must not exceed V_DD+0.3V).
• Solder bridges (TSSOP pins are tiny!).

27. Why is my power dissipation higher than expected?
Likely causes:

• High-frequency switching (dynamic power dominates).
• Excessive load capacitance (causing inrush currents).
• Leakage paths (dirty PCB or damaged IC).

28. What does “REEL7” mean in the part number?
It indicates tape-and-reel packaging with 2,500 units per reel (standard for automated assembly).

29. Is there an evaluation board available?
Yes! Analog Devices offers the EVAL-16TSSOP board for prototyping.

30. Does it meet automotive/AEC-Q100 standards?
No, but the ADG411BR variant is automotive-qualified.

31. Where can I find SPICE models?
Downloadable from Analog Devices’ website under the ADG411BRUZ product page.

 

Datasheet

ADG411BRUZ-REEL7 Analog Devices datasheet

 

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