AD688BQ Analog Devices Inc, AD688BQ Datasheet - Page 5

• Manufacturer Part Number: AD688BQ
• Description: IC VREF HIGH PREC +/-10V 16-CDIP
• Manufacturer: Analog Devices Inc

Specifications of AD688BQ

• Temperature Coefficient: 3ppm/°C
• Rohs Status: RoHS non-compliant
• Reference Type: Series
• Voltage - Output: ±10V
• Tolerance: ±2mV
• Number Of Channels: 2
• Current - Quiescent: 12mA
• Current - Output: 10mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 16-CDIP (0.300", 7.62mm)
• Topology: Series
• Input Voltage: 12V To 36V
• Reference Voltage: 10V
• Reference Voltage Tolerance: 2mV
• Voltage Reference Case Style: DIP
• No. Of Pins: 16
• Voltage - Input: -
• Current - Cathode: -
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 3. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
+10 V OUT FORCE
+V
+10 V OUT SENSE
A3 IN
GAIN ADJ
V
NOISE REDUCTION
V
GND SENSE +IN
NC
NC
BAL ADJ
A4 IN
−10 V OUT SENSE
−10 V OUT FORCE
−V
Mnemonic
HIGH
LOW
S
S
+10 V Output with Kelvin Sense. Connect to Pin 1.
+ Input to A3. Connect to V
Reference Gain Adjustment for Calibration. See the Calibration section.
Gound with Kelvin Sense.
No Connection. Leave floating.
No Connection. Leave floating.
Reference Centering Adjustment for Calibration. See the Calibration section.
+ Input to A4. Connect to V
−10 V Output with Kelvin Sense. Connect to Pin 15.
Description
+10 V Output with Kelvin Force. Connect to Pin 3.
Positive Power Supply.
Unbuffered Reference High Output.
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.
Unbuffered Reference Low Output.
−10 V Output with Kelvin Force. Connect to Pin 14.
Negative Power Supply.
NOISE REDUCTION
+10V OUT FORCE
+10V OUT SENSE
GAIN ADJ
V
V
A3 IN
HIGH
LOW
+V
Figure 2. Pin Configuration
S
Rev. B | Page 5 of 16
1
2
3
4
5
6
7
8
NC = NO CONNECT
(Not to Scale)
HIGH
LOW
TOP VIEW
AD688
, Pin 8.
, Pin 6.
16
15
14
13
12
11
10
9
–V
–10V OUT FORCE
–10V OUT SENSE
A4 IN
BAL ADJ
NC
NC
GND SENSE +IN
S
AD688