Datasheet ADA4177-1, ADA4177-2, ADA4177-4 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | OVP and EMI Protected, Precision, Low Noise and Bias Current Single Op Amp |
| 页数 / 页 | 31 / 1 — OVP and EMI Protected, Precision,. Low Noise and Bias Current Op Amps. … |
| 修订版 | E |
| 文件格式/大小 | PDF / 868 Kb |
| 文件语言 | 英语 |
OVP and EMI Protected, Precision,. Low Noise and Bias Current Op Amps. Data Sheet. ADA4177-1. /ADA4177-2/. ADA4177-4. FEATURES
文件文字版本
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
Low voltage noise density: 8 nV/√Hz typical at 1 kHz Large signal voltage gain (A ): 100 dB minimum over full VO supply voltage and operating temperature Input overvoltage protection to 32 V above and below the supply voltage rail Integrated EMI filter 70 dB typical rejection at 1000 MHz
Applications for this amplifier include sensor signal conditioning
90 dB typical rejection at 2400 MHz
(such as thermocouples, RTDs, and strain gages), process control
Rail-to-rail output swing
front-end amplifiers, and precision diode power measurement in
Low supply current: 500 µA typical per amplifier
optical and wireless transmission systems.
Wide bandwidth
The ADA4177-2 and ADA4177-4 operate over the −40°C to
Gain bandwidth product (AV = +100): 3.5 MHz typical
+125°C industrial temperature range. The ADA4177-1 and the
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
MSOP package. The ADA4177-4 is available in a 14-lead TSSOP
Dual-supply operation
and a 14-lead SOIC package.
Specified at ±5 V to ±15 V, operates over ±2.5 V to ±18 V 12 Unity-gain stable 10 No phase reversal 8 APPLICATIONS VSY = ±15V 6 mA) ( Wireless base station control circuits NT 4 Optical network control circuits 2 Instrumentation CURRE 0 AS Sensors and controls BI –2 Thermocouples, resistor thermal detectors (RTDs), strain UT –4 INP gages, shunt current measurements –6 Precision filters –8 GENERAL DESCRIPTION –10 –50 –30 –10 10 30 50
446 The ADA4177-1 single channel, ADA4177-2 dual channel, and
VIN (V)
12282- 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,
typical). Outputs are stable with capacitive loads of more than
OVP Gen. 2, Gen. 3, Gen. 4 Gen. 5, OVP
1000 pF with no external compensation.
(10 V) OVP (25 V) OVP (32 V) EMI Filters (32 V) + EMI
The inputs of the ADA4177-1, ADA4177-2, and ADA4177-4 set a OP191 ADA4091-2 ADA4096-2 AD8657 ADA4177-1 OP291 ADA4091-4 ADA4096-4 AD8659 ADA4177-2 new standard in precision amplifier robustness, providing input OP491 ADA4092-4 AD8546 ADA4177-4 protection against signal excursions 32 V beyond either supply, as AD8548 wel as 70 dB of rejection for electromagnetic interference (EMI) at ADA4661-2 1000 MHz. ADA4666-2 1 Gen. stands for Generation.
Rev. C 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 ©2014–2015 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 TABLE OF CONTENTS 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 OUTLINE DIMENSIONS ORDERING GUIDE
001
14-lead SOIC) V– 4 5 +IN B
12282-
Low input bias current: 1 nA maximum at 25°C
Figure 1. ADA4177-2
Low voltage noise density: 8 nV/√Hz typical at 1 kHz Large signal voltage gain (A ): 100 dB minimum over full VO supply voltage and operating temperature Input overvoltage protection to 32 V above and below the supply voltage rail Integrated EMI filter 70 dB typical rejection at 1000 MHz
Applications for this amplifier include sensor signal conditioning
90 dB typical rejection at 2400 MHz
(such as thermocouples, RTDs, and strain gages), process control
Rail-to-rail output swing
front-end amplifiers, and precision diode power measurement in
Low supply current: 500 µA typical per amplifier
optical and wireless transmission systems.
Wide bandwidth
The ADA4177-2 and ADA4177-4 operate over the −40°C to
Gain bandwidth product (AV = +100): 3.5 MHz typical
+125°C industrial temperature range. The ADA4177-1 and the
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
MSOP package. The ADA4177-4 is available in a 14-lead TSSOP
Dual-supply operation
and a 14-lead SOIC package.
Specified at ±5 V to ±15 V, operates over ±2.5 V to ±18 V 12 Unity-gain stable 10 No phase reversal 8 APPLICATIONS VSY = ±15V 6 mA) ( Wireless base station control circuits NT 4 Optical network control circuits 2 Instrumentation CURRE 0 AS Sensors and controls BI –2 Thermocouples, resistor thermal detectors (RTDs), strain UT –4 INP gages, shunt current measurements –6 Precision filters –8 GENERAL DESCRIPTION –10 –50 –30 –10 10 30 50
446 The ADA4177-1 single channel, ADA4177-2 dual channel, and
VIN (V)
12282- 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,
typical). Outputs are stable with capacitive loads of more than
OVP Gen. 2, Gen. 3, Gen. 4 Gen. 5, OVP
1000 pF with no external compensation.
(10 V) OVP (25 V) OVP (32 V) EMI Filters (32 V) + EMI
The inputs of the ADA4177-1, ADA4177-2, and ADA4177-4 set a OP191 ADA4091-2 ADA4096-2 AD8657 ADA4177-1 OP291 ADA4091-4 ADA4096-4 AD8659 ADA4177-2 new standard in precision amplifier robustness, providing input OP491 ADA4092-4 AD8546 ADA4177-4 protection against signal excursions 32 V beyond either supply, as AD8548 wel as 70 dB of rejection for electromagnetic interference (EMI) at ADA4661-2 1000 MHz. ADA4666-2 1 Gen. stands for Generation.
Rev. C 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 ©2014–2015 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 TABLE OF CONTENTS 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 OUTLINE DIMENSIONS ORDERING GUIDE