Sensor Interface Signal Chains

When interfacing with the real world, sensors are required to measure physical quantities such as position and temperature. These sensors produce signals that are often small and noisy, requiring high performance amplifiers and converters to measure, condition and process them. Analog Devices Sensor Interface signal chains offer a variety of solutions from the most comprehensive portfolio of precision building block products to system-level solutions, enabling designers to achieve the desired performance from their sensors. In addition, Analog Devices Circuits from the Lab® (CftL) reference designs are engineered and tested for time-saving evaluation and easy integration. Explore the interactive sensor-interface signal chains on this page to find the right solutions for your designs.

Battery Formations
Biopotential
Current
Position
Temperature

Lithium-Ion Battery Formation and Test Signal Chain Solutions

Lithium-ion batteries can be found in nearly every portable electronic device and are growing in popularity for electric vehicles, military and aerospace applications. ADI’s Li-On Battery Formation and Testing signal chain solutions provide a low cost, smaller size, environmentally friendly system for formation and testing rechargeable battery cells and packs. The charging energy is provided via a PWM controller, while the discharging energy can be directed to change other cells or sent back to the grid, minimizing its energy usage.

Battery Formation and Testing Solutions

Discrete Core Technology

1. MOSFET DRV	2. PWM CTR	3. Amp
ADuM7223	ADP1972 / ADP1974	AD8226 / AD8221 / AD8276 / AD8479
4. AMP	5. MUX	6. DAC
ADA4177 / ADA4522 / ADTL082	ADG52XXF / ADG12XX	AD5689R / AD5371
7. ADC	8. REF	9. uP
AD7173 / AD7124 / AD7779	ADR45XX / ADR44X	Blackfin®

Integrated Solutions

2-4. PWM CTR, AMP
AD8452
3-4. AMP
AD8450 / AD8451

Biopotential Signal Chain Solutions

Analog Devices biopotential signal chain solutions enable heart rate monitoring (HRM) and electrocardiography (ECG) measurements in both low-power portable devices and high precision clinical grade equipment. System expertise combined with high performance components from ADI, allows for flexibility and fast setup-through easy interface with a variety of electrodes and system configurations used in biopotential measurements.

Biopotential Sensing Solutions

Discrete Core Technology

1. MUX	2. Buffer	3. In-AMP
ADG1204 / ADG14XX	AD8244 / AD8606 / ADA4661	AD8237 / AD8235 / AD8422 / AD8226 / AD8220
4. MUX	5. ADC Driver	6. ADC
ADG1204 / ADG14XX	ADA4941 / AD8475	AD7982 / AD7960 / AD7091 / AD4001
7. REF	8. ISO
ADR43X	ADuM440X

Integrated Solutions

1-5. MUX, Buffer, In-Amp, MUX, ADC-Driver
AD8232 / AD8233
1-6. MUX, Buffer, In-Amp, MUX, ADC-Driver, ADC
ADAS1000

Current Measurement Signal Chain Solutions

ADI’s current measurement signal chain solutions detail a variety of precise, robust solutions for accurately measuring currents in all environments. From monitoring phase currents in motors, DC/DC converters and solenoids, to leakage currents in ATE environments, our signal chains offer proven performance, optimized for specific bus voltage ranges, current ranges and sensor types. Find out how ADI’s industry leading technology can be applied to solve your most difficult current measurement problems.

Medium Voltage Rail Shunt Solutions
High Voltage Rail Shunt Solutions
Contactless Current Measurement Solutions

Medium Voltage Rail Shunt Solutions

Operating Voltage -2 V to +80 V - Low Drift Automotive Qualified

1. SHUNT	2. AMP	3. Vref
Resistors	AD8417A/AD8417 / AD8205 / AD8206 AD8210 / AD8211 / AD8215 / AD8209A / AD8202	ADR445

Operating Voltage ±18 V

1. SHUNT	2. AMP	3. Vref
Resistors	ADA4522-2 / AD8421 / ADA4857-2	ADR445
Integrated Solution: 3-4. Vref, ADC
AD7980 / AD7175 / AD7626

High Voltage Rail Shunt Solutions

Operating Voltage 100 V to 1 kV - Robust Channel-to-Channel Protection

1. SHUNT	2. AMP	Integrated Solution: 3-5. VREF, Buffer, ADC
Resistors	AD629 / AD8479	AD7172-4 / AD7175
Integrated Solution: 5-7. ADC, Isolations, ADSP / MCU / AFE
ADUM3402

Operating Voltage 100 V to 1 kV - Includes Isolation, PWM Rejection, and High Accuracy

1. SHUNT	Integrated Solution: 2-7. AMP, REF, Buffer, ADC, ADSP / MCU / AFE	7. ADSP / MCU / AFE
Resistors	AD7401	ADSPCM408

Contactless Current Measurement Solutions

Current Transformer – Low Drift Configurable AFEs

1. Sensor	Integrated Solution: 2-3. AMP, ADC
TR0176-4B	AD7606 / AD7616 / AD777x

Rogowski Coil - Sensor and Signal Conditioning

Integrated Solution: 2-4. AMP, ADC, ADSP / MCU / AFE
ADE9078

AMR - Sensor and Signal Conditioning

2. AMP	3. ADC
AD8421	AD7989

Position Sensing Signal Chain Solutions

Position sensors are widely used in closed-loop mechanical control systems across a wide variety of industries including Automotive, Industrial Automation, Process Control, and Military & Aerospace. Analog Devices provides signal chain solutions for most common, high precision positions sensors such as Optical Encoders, Resolvers, and LVDTs and Magnetic Sensors (AMR, TMR, Hall). ADI’s high precision signal chain solutions ensure that position measurement is done accurately and the overall solution size and power consumption is highly optimized.

Optical Encoder
Resolver and LVDT
AMR and TMR

Optical Encoder

2. AMP	3. Comp	4. ADC
ADA4940-2 / ADA4896-2 / ADA4500-2	ADCMP60x	AD7352 / AD7356 / AD7357
6. LDO	7. Interface	Integrated Solution: 2-4. AMP, Comp, ADC
ADP121	ADM3065E / ADM4168E	AD7262 / AD7264
Integrated Solution: 4-5. ADC, Micro-Processors
ADSP-CM40x

Resolver and LVDT

Resolver

2. AMP	3. AMP	Integrated Solution: 4-5. DAC, ADC
AD8694	AD8397	AD2S1205 / AD2S1210
6. Micro-Processors	Integrated Solution: 2-6. Amp, Amp, DAC, ADC, Micro-Processors
ADSP-CM40x	AD7980 / AD7175 / AD7124 / AD719x

LVDT/RVDT

Integrated Solution: 2-4. Amp, Amp, DAC	5. ADC	Integrated Solution: 2-6. Amp, Amp, DAC, ADC
AD598 / AD698	AD7321	AD7980 / AD7175 / AD7124 / AD719x

AMR and TMR

Integrated Solution: 1-3. Sensor, AMP, AMP	4. ADC	Integrated Solution: 1-5. Sensor, AMP, AMP, ADC, Micro Procsessor
ADA4571 / ADA4571-2	AD7352 / AD7356 / AD7537 / AD7866 / AD7366 / AD7367	CN-0368 / CN-0341 / CN-0323 based on AD7866

Temperature Sensing Signal Chain Solutions

Temperature is the most widely measured physical parameter in industry and laboratory settings. ADI provides complete signal chain solutions for the traditional sensors, Resistive Temperature Sensor (RTD), Thermocouple (TC), Thermistor, and Thermal Diodes. These solutions can be tailored for high accuracy, size, cost, and power consumption. ADI also provides easy-to-use silicon-based sensors which incorporate a complete signal chain that deliver a high accuracy temperature-to-digital conversion. Analog Devices also offers voltage and current output silicon-based temperature sensors.

Thermocouples
Resistive Thermal Devices
Thermistor
Diode
Silicon Sensors

Thermocouples

Precision Focus

1. MUX	2. Amp	3. V_REF
ADG1208 / ADG1209 / ADG5208 / ADG5209 / ADG5208F / ADG5209F	AD8221 / AD8226 / AD8421 / AD8422	ADR44x / ADR45xx
Integrated Solution: 1-3. MUX, Amp, V_REF	Integrated Solution: 1-4. MUX, Amp, V_REF, ADC	Integrated Solution: 3-4. V_REF, ADC
AD8495	AD719x / AD7124	AD7175 / AD7172 / AD7173
Integrated Solution: 1-5. MUX, Amp, V_REF, ADC, Microcontroller Linearization Compensation Algorithms
LTC2983 / LTC2984 / LTC2986 / LTC2986-1

Power Focus

Integrated Solution: 1-4. MUX, Amp, V_REF, ADC	Integrated Solution: 1-5. MUX, Amp, V_REF, ADC, Microcontroller Linearization Compensation Algorithms
AD7124	ADuCM360

Circuits from the Lab® Reference Designs

Integrated Solution: 1-5. MUX, Amp, V_REF, ADC, Microcontroller Linearization Compensation Algorithms
CN-0376 / CN-0381 / CN-0382 / CN-0383 / CN-0384 / AD7124

Resistive Thermal Devices

Precision Focus

1. MUX	2. AMP	5. Ref Buffer
ADG1208 / ADG1209 / ADG5208 / ADG5209 / ADG5208F / ADG5209F	ADA4096 / ADA4500 / ADA4522 / AD8221 / AD8226 / AD8421 / AD8422	ADR44x / ADR45xx
Integrated Solution: 3-4. Ref Buffer, ADC	Integrated Solution: 1-4. MUX, AMP, Ref Buffer, ADC	Integrated Solution: 1-5. MUX, AMP, Ref Buffer, ADC, Microcontroller Linearization Compensation Algorithms
AD7175 / AD7172 / AD7173	AD719x / AD8495 / AD7124	LTC2983 / LTC2984 / LTC2986 / LTC2986-1

Power Focus

1-4. MUX, AMP, Ref Buffer, ADC	1-5. MUX, AMP, Ref Buffer, ADC, Microcontroller Linearization Compensation Algorithms
AD7124	ADuCM360

Circuits from the Lab® Reference Designs

Integrated Solution: 1-5. MUX, AMP, Ref Buffer, ADC, Microcontroller Linearization Compensation Algorithms
CN-0376 / CN-0381 / CN-0382 / CN-0383 / CN-0384 / AD7124

Thermistor

Precision Focus

1. MUX	2. Amp	5. Ref Buffer
ADG1208 / ADG1209 / ADG5208 / ADG5209 / ADG5208F / ADG5209F	ADA4096 / ADA4500 / ADA4522 / AD8221 AD8226 / AD8421 / AD8422	ADR45xx / ADR44x
Integrated Solution: 1-3. MUX, AMP, Ref Buffer	Integrated Solution: 2-4. AMP, Ref Buffer, ADC	Integrated Solution: 3-4. Ref Buffer, ADC
AD8495	AD719x	AD7175 / AD7172 / AD7173
Integrated Solution: 1-4. MUX, AMP, Ref Buffer, ADC	Integrated Solution: 1-5. MUX, AMP, Ref Buffer, ADC, Microcontroller Linearization Compensation Algorithms
AD7124	LTC2983 / LTC2984 / LTC2986 / LTC2986-1

Power Focus

Integrated Solution: 1-4. MUX, AMP, Ref Buffer, ADC	Integrated Solution: 1-5. MUX, AMP, Ref Buffer, ADC, Microcontroller Linearization Compensation Algorithms
AD7124	ADuCM360

Circuits from the Lab® Reference Designs

Integrated Solution: 1-5. MUX, AMP, Ref Buffer, ADC, Microcontroller Linearization Compensation Algorithms
CN-0376 / CN-0381 / CN-0382 / CN-0383 / CN-0384 / Based on AD7124

Diodes

Precision Focus

1. MUX	2. Amp	3. Ref Buffer
ADG1208 / ADG1209 / ADG5208 / ADG5209 / ADG5208F / ADG5209F	ADA4096 / ADA4500 / ADA4522 / AD8221 / AD8226	ADR45xx / ADR44x
Integrated Solution: 1-3. MUX, AMP,Ref Buffer	Integrated Solution: 2-4. AMP, Ref Buffer, ADC	Integrated Solution: 3-4. Ref Buffer, ADC
AD8495	AD719x	AD7175 / AD7172 / AD7173
Integrated Solution: 1-4. MUX, AMP, Ref Buffer, ADC	Integrated Solution: 1-5. MUX, AMP, Ref Buffer, ADC, Microcontroller Linearization Compensation Algorithms
AD7124	LTC2983 / LTC2984 / LTC2986 / LTC2986-1

Power Focus

Integrated Solution: 1-4.MUX, AMP, Ref Buffer, ADC	Integrated Solution: 1-5. MUX, AMP, Ref Buffer, ADC, Microcontroller Linearization Compensation Algorithms
AD7124	ADuCM360

Circuits from the Lab® Reference Designs

Integrated Solution: 1-5. MUX, AMP, Ref Buffer, ADC, Microcontroller Linearization Compensation Algorithms
CN-0376 / CN-0381 / CN-0382 / CN-0383 / CN-0384 / AD7124

Silicon Sensors

Precision Focus

Integrated Solution: 1-2. Sensor I_OUT, Sensor V_OUT	3. MUX	5. VREF
AD590	ADG1208 / ADG1209 / ADG5208 / ADG5209 / ADG5208F / ADG5209F	ADR45xx / ADR44x
Integrated Solution: 1-5. Sensor I_OUT, Sensor V_OUT, MUX, ADC, V_REF	Integrated Solution: 3-5. MUX, ADC, V_REF
ADT7320 / ADT7420	AD7980 / AD7175 / AD7124 / AD719x

VSM Focus (Narrow Temp Range)

Integrated Solution: 1-5. Sensor I_OUT, Sensor V_OUT, MUX, ADC, V_REF
ADT7422

High Temp

3. MUX	4. ADC	5. V_REF
ADG5298 / ADG798	AD7981	ADR225