Datasheet ADA4661-2 (Analog Devices)

18 V, Precision, 725 µA, 4 MHz, CMOS RRIO Operational Amplifier Data Sheet ADA4661-2 FEATURES PIN CONNECTION DIAGRAMS Low power at high voltage (18 V): 725 μA maximum OUT A 1 8 V+ Low offset voltage –IN A 2 ADA4661-2 7 OUT B 150 µV maximum at V TOP VIEW +IN A 3 6 –IN B SY/2 (Not to Scale)
001
300 µV maximum over entire common-mode range V– 4 5 +IN B
1366- 1
Low input bias current: 15 pA maximum
Figure 1. 8-Lead MSOP
Gain bandwidth product: 4 MHz typical at AV = 100 Unity-gain crossover: 4 MHz typical OUT A 1 8 V+ −3 dB closed-loop bandwidth: 2.1 MHz typical –IN A 2 7 OUT B ADA4661-2 Single-supply operation: 3 V to 18 V +IN A 3 TOP VIEW 6 –IN B (Not to Scale) Dual-supply operation: ±1.5 V to ±9 V V– 4 5 +IN B Unity-gain stable NOTES
002
1. CONNECT THE EXPOSED PAD TO V– OR APPLICATIONS LEAVE IT UNCONNECTED.
1366- 1 Figure 2. 8-Lead LFCSP
Current shunt monitors Active filters 250 VSY = 18V Portable medical equipment 200 Buffer/level shifting 150 High impedance sensor interfaces 100 Battery powered instrumentation 50 V) (μ 0 OS GENERAL DESCRIPTION V –50
The ADA4661-2 is a dual, precision, rail-to-rail input/output
–100
amplifier optimized for low power, high bandwidth, and wide
–150
operating supply voltage range applications.
–200
The ADA4661-2 performance is guaranteed at 3.0 V, 10 V,
–250
1 and 18 V power supply voltages. It is an excellent selection for
0 1.5 3.0 4.5 6.0 7.5 9.0 10.5 12.0 13.5 15.0 16.5 18.0
1 0
V
applications that use single-ended supplies of 3.3 V, 5 V, 10 V, 12
CM (V)
1366- 1 V and 15 V, and dual supplies of ±2.5 V, ±3.3 V, and ±5 V. It Figure 3. Input Offset Voltage vs. Common-Mode Voltage uses the Analog Devices, Inc., patented DigiTrim® trimming
Table 1. Precision Low Power Op Amps (<1 mA)
technique, which achieves low offset voltage. Additionally, the
Supply Voltage 5 V 12 V to 16 V 30 V
unique design architecture of the ADA4661-2 al ows it to have Single ADA4505-1 OP196 OP777 excellent power supply rejection, common-mode rejection, and AD8500 offset voltage when operating in the common-mode voltage Dual ADA4505-2 AD8657 ADA4096-2 range of −VSY + 1.5 V to +VSY − 1.5 V. AD8502 OP296 OP727 The ADA4661-2 is specified over the extended industrial AD8506 ADA4661-2 AD8682 temperature range (−40°C to +125°C) and is available in ADA4666-2 AD8622 8-lead MSOP and 8-lead LFCSP (3 mm × 3 mm) packages. Quad ADA4505-4 AD8659 ADA4096-4 AD8504 OP496 OP747 AD8508 AD8684 AD8624
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Document Outline Features Applications General Description Pin Connection Diagrams Revision History Specifications Electrical Characteristics—18 V Operation Electrical Characteristics—10 V Operation Electrical Characteristics—3.0 V Operation Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Applications Information Input Stage Gain Stage Output Stage Maximum Power Dissipation Rail-to-Rail Input and Output Comparator Operation EMI Rejection Ratio Current Shunt Monitor Active Filters Capacitive Load Drive Noise Considerations with High Impedance Sources Outline Dimensions Ordering Guide