Datasheet ADA4177-1, ADA4177-2, ADA4177-4 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | OVP and EMI Protected, Precision, Low Noise and Bias Current Single Op Amp |
| Páginas / Página | 33 / 1 — OVP and EMI Protected, Precision,. Low Noise and Bias Current Op Amps. … |
| Revisión | E |
| Formato / tamaño de archivo | PDF / 1.1 Mb |
| Idioma del documento | Inglés |
OVP and EMI Protected, Precision,. Low Noise and Bias Current Op Amps. Data Sheet. ADA4177-1. /ADA4177-2. /ADA4177-4. FEATURES
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OVP and EMI Protected, Precision, Low Noise and Bias Current Op Amps Data Sheet ADA4177-1 /ADA4177-2 /ADA4177-4 FEATURES PIN CONNECTION DIAGRAM Low offset voltage: 60 µV maximum at 25°C (8-lead and OUT A 1 8 V+ 14-lead SOIC) –IN A ADA4177-2 2 7 OUT B TOP VIEW Low offset voltage drift: 1 µV/°C maximum (8-lead and +IN A 3 6 –IN B (Not to Scale)
001
14-lead SOIC) V– 4 5 +IN B
12282-
Low input bias current: 1 nA maximum at 25°C
Figure 1. ADA4177-2, for Additional Packages and Models, See the Pin
Low voltage noise density: 8 nV/√Hz typical at 1 kHz
Configurations and Function Descriptions Section
Large signal voltage gain (AVO): 100 dB minimum over full supply voltage and operating temperature Input overvoltage protection to 32 V above and below the supply voltage rail Integrated EMI filter
Applications for these amplifiers include sensor signal conditioning
70 dB typical rejection at 1000 MHz
(such as thermocouples, resistor thermal detectors (RTDs), and
90 dB typical rejection at 2400 MHz
strain gages), process control front-end amplifiers, and
Rail-to-rail output swing
precision diode power measurement in optical and wireless
Low supply current: 500 µA typical per amplifier
transmission systems.
Wide bandwidth
The ADA4177-1/ADA4177-2/ADA4177-4 operate over the
Gain bandwidth product (AV = 100): 3.5 MHz typical
−40°C to +125°C industrial temperature range. The ADA4177-1/
Unity-gain crossover (AV = 1): 3.5 MHz typical
ADA4177-2 are available in an 8-lead SOIC package and an 8-lead
−3 dB bandwidth (AV = 1): 6 MHz typical Dual-supply operation
MSOP package. The ADA4177-4 is available in a 14-lead TSSOP
Specified at ±5 V to ±15 V, operates over ±2.5 V to ±18 V
and a 14-lead SOIC package.
Unity-gain stable 12 No phase reversal 10 Long-term offset voltage drift (10,000 hours): 2 µV typical 8 V Temperature hysteresis: 2 µV typical SY = ±15V 6 mA) ( APPLICATIONS NT 4 2 Wireless base station control circuits CURRE 0 Optical network control circuits AS BI –2 Instrumentation UT –4 Sensors and controls INP Thermocouples, RTDs, strain gages, shunt current –6 measurements –8 –10 GENERAL DESCRIPTION –50 –30 –10 10 30 50
446
VIN (V)
12282- The ADA4177-1 single-channel, ADA4177-2 dual-channel, and ADA4177-4 quad-channel amplifiers feature low offset voltage Figure 2. Overvoltage Current Limiting, Voltage Follower Configuration (2 µV typical) and drift (1 µV/°C maximum), low input bias
Table 1. Evolution of Protected Input Op Amps by Generation1
current, low noise, and low current consumption (500 µA
Gen. 1, Gen. 2, Gen. 3, Gen. 4 Gen. 5, OVP
typical). Outputs are stable with capacitive loads of more than
OVP (10 V) OVP (25 V) OVP (32 V) EMI Filters (32 V) + EMI
1000 pF with no external compensation. OP191 ADA4091-2 ADA4096-2 AD8657 ADA4177-1 OP291 ADA4091-4 ADA4096-4 AD8659 ADA4177-2 The inputs of the ADA4177-1/ADA4177-2/ADA4177-4 feature OP491 ADA4092-4 AD8546 ADA4177-4 outstanding precision amplifier robustness, providing input AD8548 protection against signal excursions 32 V beyond either supply, ADA4661-2 as wel as 70 dB of rejection for electromagnetic interference (EMI) ADA4666-2 at 1000 MHz. 1 Gen. means generation.
Rev. E Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 ©2014–2018 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com
Document Outline Features Applications General Description Pin Connection Diagram Revision History Specifications Electrical Characteristics, ±5 V Electrical Characteristics, ±15 V Absolute Maximum Ratings Maximum Power Dissipation Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information Active Overvoltage Protection Common Protection Methods Add an External Series Input Resistor Add External Clamping Diodes Input Protection Circuit Limiting Overvoltage Current Out of the Positive Supply Pin EMI Protection Self Heating Using the ADA4177-1/ADA4177-2/ADA4177-4 as a Comparator Output Phase Reversal Proper Printed Circuit Board (PCB) Layout Long-Term Drift Temperature Hysteresis Outline Dimensions Ordering Guide
OVP and EMI Protected, Precision, Low Noise and Bias Current Op Amps Data Sheet ADA4177-1 /ADA4177-2 /ADA4177-4 FEATURES PIN CONNECTION DIAGRAM Low offset voltage: 60 µV maximum at 25°C (8-lead and OUT A 1 8 V+ 14-lead SOIC) –IN A ADA4177-2 2 7 OUT B TOP VIEW Low offset voltage drift: 1 µV/°C maximum (8-lead and +IN A 3 6 –IN B (Not to Scale)
001
14-lead SOIC) V– 4 5 +IN B
12282-
Low input bias current: 1 nA maximum at 25°C
Figure 1. ADA4177-2, for Additional Packages and Models, See the Pin
Low voltage noise density: 8 nV/√Hz typical at 1 kHz
Configurations and Function Descriptions Section
Large signal voltage gain (AVO): 100 dB minimum over full supply voltage and operating temperature Input overvoltage protection to 32 V above and below the supply voltage rail Integrated EMI filter
Applications for these amplifiers include sensor signal conditioning
70 dB typical rejection at 1000 MHz
(such as thermocouples, resistor thermal detectors (RTDs), and
90 dB typical rejection at 2400 MHz
strain gages), process control front-end amplifiers, and
Rail-to-rail output swing
precision diode power measurement in optical and wireless
Low supply current: 500 µA typical per amplifier
transmission systems.
Wide bandwidth
The ADA4177-1/ADA4177-2/ADA4177-4 operate over the
Gain bandwidth product (AV = 100): 3.5 MHz typical
−40°C to +125°C industrial temperature range. The ADA4177-1/
Unity-gain crossover (AV = 1): 3.5 MHz typical
ADA4177-2 are available in an 8-lead SOIC package and an 8-lead
−3 dB bandwidth (AV = 1): 6 MHz typical Dual-supply operation
MSOP package. The ADA4177-4 is available in a 14-lead TSSOP
Specified at ±5 V to ±15 V, operates over ±2.5 V to ±18 V
and a 14-lead SOIC package.
Unity-gain stable 12 No phase reversal 10 Long-term offset voltage drift (10,000 hours): 2 µV typical 8 V Temperature hysteresis: 2 µV typical SY = ±15V 6 mA) ( APPLICATIONS NT 4 2 Wireless base station control circuits CURRE 0 Optical network control circuits AS BI –2 Instrumentation UT –4 Sensors and controls INP Thermocouples, RTDs, strain gages, shunt current –6 measurements –8 –10 GENERAL DESCRIPTION –50 –30 –10 10 30 50
446
VIN (V)
12282- The ADA4177-1 single-channel, ADA4177-2 dual-channel, and ADA4177-4 quad-channel amplifiers feature low offset voltage Figure 2. Overvoltage Current Limiting, Voltage Follower Configuration (2 µV typical) and drift (1 µV/°C maximum), low input bias
Table 1. Evolution of Protected Input Op Amps by Generation1
current, low noise, and low current consumption (500 µA
Gen. 1, Gen. 2, Gen. 3, Gen. 4 Gen. 5, OVP
typical). Outputs are stable with capacitive loads of more than
OVP (10 V) OVP (25 V) OVP (32 V) EMI Filters (32 V) + EMI
1000 pF with no external compensation. OP191 ADA4091-2 ADA4096-2 AD8657 ADA4177-1 OP291 ADA4091-4 ADA4096-4 AD8659 ADA4177-2 The inputs of the ADA4177-1/ADA4177-2/ADA4177-4 feature OP491 ADA4092-4 AD8546 ADA4177-4 outstanding precision amplifier robustness, providing input AD8548 protection against signal excursions 32 V beyond either supply, ADA4661-2 as wel as 70 dB of rejection for electromagnetic interference (EMI) ADA4666-2 at 1000 MHz. 1 Gen. means generation.
Rev. E Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 ©2014–2018 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com
Document Outline Features Applications General Description Pin Connection Diagram Revision History Specifications Electrical Characteristics, ±5 V Electrical Characteristics, ±15 V Absolute Maximum Ratings Maximum Power Dissipation Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information Active Overvoltage Protection Common Protection Methods Add an External Series Input Resistor Add External Clamping Diodes Input Protection Circuit Limiting Overvoltage Current Out of the Positive Supply Pin EMI Protection Self Heating Using the ADA4177-1/ADA4177-2/ADA4177-4 as a Comparator Output Phase Reversal Proper Printed Circuit Board (PCB) Layout Long-Term Drift Temperature Hysteresis Outline Dimensions Ordering Guide