Datasheet AD8538, AD8539 (Analog Devices)

Low Power, Precision, Auto-Zero Op Amps Data Sheet AD8538/ AD8539 FEATURES PIN CONFIGURATIONS Low offset voltage: 13 µV maximum Input offset drift: 0.03 µV/°C OUT 1 5 V+ AD8538 Single-supply operation: 2.7 V to 5.5 V V– 2 TOP VIEW High gain, CMRR, and PSRR (Not to Scale) +IN 3 4 –IN
002
Low input bias current: 25 pA
06741-
Low supply current: 180 µA
Figure 1. 5-Lead TSOT-23 (UJ-5)
Qualified for automotive applications APPLICATIONS NC 1 8 NC −IN 2 AD8538 7 V+ Mobile communications +IN 3 6 TOP VIEW OUT Portable instrumentation V− (Not to Scale) 4 5 NC
001
Battery-powered devices NC = NO CONNECT
06741-
Sensor interfaces
Figure 2. 8-Lead SOIC_N (R-8)
Temperature measurement Electronic scales OUT A 1 8 V+ GENERAL DESCRIPTION –IN A 2 AD8539 7 OUT B +IN A 3 6 TOP VIEW –IN B
The AD8538/AD8539 are very high precision amplifiers featuring 033
V– (Not to Scale) 4 5 +IN B
extremely low offset voltage, low input bias current, and low power 06741- consumption. The supply current is less than 215 μA maximum Figure 3. 8-Lead SOIC_N (R-8) per amplifier at 5.0 V. Operation is fully specified from 2.7 V to 5.0 V single supply (±1.35 V to ±2.5 V dual supply).
OUT A 1 8 V+
The AD8538/AD8539 operate at very low power making these
–IN A AD8539 2 7 OUT B
amplifiers ideal for battery-powered devices and portable
+IN A 3 TOP VIEW 6 –IN B (Not to Scale)
034
V– 4 5 +IN B
equipment. 06741- The AD8538/AD8539 are specified over the extended industrial Figure 4. 8-Lead MSOP (RM-8) temperature range (−40°C to +125°C). The AD8538 amplifier is available in 5-lead TSOT-23, and 8-lead, narrow body SOIC packages, and the AD8539 amplifier is available in 8-lead, narrow body SOIC and 8-lead MSOP. See the Ordering Guide for the automotive part.
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Document Outline Features Applications General Description Pin Configurations Revision History Specifications AD8538 Electrical Specifications AD8539 Electrical Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Typical Performance Characteristics AD8538 Characteristics AD8539 Characteristics Outline Dimensions Ordering Guide Automotive Products