AD688_15 Datasheet, PDF (5/16 Pages) Analog Devices – High Precision 10 V Reference

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
AD688
+10V OUT FORCE 1
16 –V_S
+V_S 2
15 –10V OUT FORCE
+10V OUT SENSE 3 _AD688 14 –10V OUT SENSE
A3 IN 4 TOP VIEW 13 A4 IN
GAIN ADJ 5 ^{(Not to Scale)} 12 BAL ADJ
V_HIGH 6
NOISE REDUCTION 7
11 NC
10 NC
V_LOW 8
9 GND SENSE +IN
NC = NO CONNECT
Figure 2. Pin Configuration
Table 3. Pin Function Descriptions
Pin No. Mnemonic
Description
1
+10 V OUT FORCE +10 V Output with Kelvin Force. Connect to Pin 3.
2
+VS
Positive Power Supply.
3
+10 V OUT SENSE
+10 V Output with Kelvin Sense. Connect to Pin 1.
4
A3 IN
+ Input to A3. Connect to VHIGH, Pin 6.
5
GAIN ADJ
Reference Gain Adjustment for Calibration. See the Calibration section.
6
VHIGH
Unbuffered Reference High Output.
7
NOISE REDUCTION Noise Filtering Pin. Connect external 1 µF capacitor to ground to reduce output noise, see the
Noise Performance and Reduction section. May be left open.
8
VLOW
Unbuffered Reference Low Output.
9
GND SENSE +IN
Gound with Kelvin Sense.
10
NC
No Connection. Leave floating.
11
NC
No Connection. Leave floating.
12
BAL ADJ
Reference Centering Adjustment for Calibration. See the Calibration section.
13
A4 IN
+ Input to A4. Connect to VLOW, Pin 8.
14
−10 V OUT SENSE
−10 V Output with Kelvin Sense. Connect to Pin 15.
15
−10 V OUT FORCE −10 V Output with Kelvin Force. Connect to Pin 14.
16
−VS
Negative Power Supply.
Rev. B | Page 5 of 16