Datasheet AD8273 (Analog Devices)

Very Low Distortion, Dual-Channel, High Precision Difference Amplifier AD8273 FEATURES FUNCTIONAL BLOCK DIAGRAM ±4000 V HBM ESD +VS 11 Very low distortion 12kΩ 6kΩ 0.00025% THD + N (20 kHz) 2 12 0.0015% THD + N (100 kHz) 13 Drives 600 Ω loads 12kΩ 6kΩ Two gain settings 3 14 Gain of ½ (−6 dB) 12kΩ 6kΩ 6 10 Gain of 2 (+6 dB) 0.05% maximum gain error 9 10 ppm/°C maximum gain drift 12kΩ 6kΩ Excellent ac specifications 5 8
01 0
4 20 V/μs minimum slew rate
1- 98
–VS
06
800 ns to 0.01% settling time
Figure 1.
High accuracy dc performance 77 dB minimum CMRR 700 μV maximum offset voltage 14-lead SOIC package Supply current: 2.5 mA maximum per channel Supply range: ±2.5 V to ±18 V APPLICATIONS ADC drivers High performance audio Instrumentation amplifier building blocks Level translators Automatic test equipment Sine/cosine encoders GENERAL DESCRIPTION
The AD8273 is a low distortion, dual-channel amplifier with
Table 1. Difference Amplifiers by Category
internal gain setting resistors. With no external components, it
Low High Single-Supply Single-Supply
can be configured as a high performance difference amplifier
Distortion Voltage Unidirectional Bidirectional
(G = ½ or 2), inverting amplifier (G = ½ or 2), or noninverting AD8270 AD628 AD8202 AD8205 amplifier (G = 1½ or 3). AD8273 AD629 AD8203 AD8206 The AD8273 operates on both single and dual supplies and only AD8274 AD8216 requires 2.5 mA maximum supply current for each amplifier. It AMP03 is specified over the industrial temperature range of −40°C to +85°C and is fully RoHS compliant.
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Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CONFIGURATIONS POWER SUPPLIES OUTLINE DIMENSIONS ORDERING GUIDE