ADR827

www.DataSheet4U.com Low Power, Precision Reference and Op Amp ADR821/ADR827 FEATURES 10-lead MSOP 400 μA supply current −40°C to +125°C temperature range On-board precision resistors Reference ADR821: 2.8 V to 15 V operation ADR827: 2.7 V to 15 V operation ±0.2% initial accuracy 15 ppm/°C temperature drift maximum +5 mA/−3 mA output drive Amplifier ADR821 ±2.8 V to ±15 V operation 2.8 V to 15 V single-supply operation ADR827 ±2.7 V to ±15 V operation 2.7 V to 15 V single-supply operation Rail-to-rail input and output 500 μV offset voltage maximum 50 nA bias current maximum Unity gain stable No phase reversal FUNCTIONAL BLOCK DIAGRAM V+ 1 R1 2 GND 3 NC 4 V– 5 NC = NO CONNECT REF ADR821/ADR827 R1 R2 10 AMP_OUT 9 8 7 6 R2 –IN +IN REF_OUT Figure 1. Table 1. Selection Table Reference VOUT 1.25 V 1.25 V 2.50 V 2.50 V Reference Accuracy ±0.4% ±0.2% ±0.4% ±0.2% Reference Temperature Coefficient 30 ppm/°C 15 ppm/°C 30 ppm/°C 15 ppm/°C Part No. ADR827ARMZ ADR827BRMZ ADR821ARMZ ADR821BRMZ APPLICATIONS Battery-powered instrumentation Portable medical instrumentation Data acquisition systems Industrial process controls Automotive applications GENERAL DESCRIPTION The ADR821/ADR827 combines a precision voltage reference and an op amp in a 10-lead mini small outline package (MSOP). The reference and the op amp can be operated independently, offering the user a range of flexibility when arranging the combination. Featuring a combined operating current of less than 400 μA and 15 ppm/...