Datasheet Analog Devices AD780-001C

2.5 V/3.0 V
High Precision Reference
AD780 Data Sheet
FEATURES FUNCTIONAL BLOCK DIAGRAM Pin programmable 2.5 V or 3.0 V output
Ultralow drift: 3 ppm/°C max
High accuracy: 2.5 V or 3.0 V ±1 mV max
Low noise: 100 nV/√Hz
Noise reduction capability
Low quiescent current: 1 mA max
Output trim capability
Plug-in upgrade for present references
Temperature output pin
Series or shunt mode operation (±2.5 V, ±3.0 V) +VIN DNC 2 7 AD780
R10 R11 DNC 1
6 VOUT 5 TRIM R13
Q6 Q7 R16 R5
R14 TEMP 3 R15
R4 DNC = DO NOT CONNECT TO THIS PIN 8 O/P SELECT
2.5V – DNC
3.0V – GND 00841-001 4 GND Figure 1. GENERAL DESCRIPTION
The AD780 is an ultrahigh precision band gap reference voltage
that provides a 2.5 V or 3.0 V output from inputs between 4.0 V
and 36 V. Low initial error and temperature drift combined with …