AD688

Rev. B | Page 3 of 16

SPECIFICATIONS

final electrical test. Results from those tests are used to calculate outgoing quality levels. All min and max specifications are guaranteed.

Table 1.

AD688AQ

AD688BQ

AD688ARWZ

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

Unit

OUTPUT VOLTAGE ERROR

+10 V, −10 V Outputs

−5

+5

−2

+2

−4

+4

mV

±10 V TRACKING ERROR

−3

+3

−1.5

+1.5

−1.5

+1.5

mV

OUTPUT VOLTAGE DRIFT

+10 V, −10 V Outputs

0°C to +70°C (A, B)

±2

–1.5

+1.5

ppm/°C

−40°C to +85°C (A, B)

−3

+3

–3

+3

–8

+8

ppm/°C

GAIN ADJ AND BAL ADJ2

Trim Range

± 5

±5

±5

mV

Input Resistance

150

150

150

kΩ

LINE REGULATION

–200

+200

–200

+200

–200

+200

µV/V

LOAD REGULATION

±50

±50

±50

µV/mA

±50

±50

±50

µV/mA

SUPPLY CURRENT

9

12

9

12

12

mA

Power Dissipation

270

360

270

360

360

mW

OUTPUT NOISE (ANY OUTPUT)

0.1 Hz to 10 Hz

6

6

6

µV p-p

Spectral Density, 100 Hz

140

140

140

nV√Hz

LONG-TERM STABILITY (@ 25°C)

15

15

15

ppm/1000 hours

BUFFER AMPLIFIERS

Offset Voltage

100

100

100

µV

Offset Voltage Drift

1

1

1

µV/°C

Bias Current

20

20

20

nA

Open-Loop Gain

110

110

110

dB

Output Current A3, A4

−10

+10

−10

+10

−10

+10

mA

Common-Mode Rejection (A3, A4)

100

100

100

dB

Short-Circuit Current

50

50

50

mA

TEMPERATURE RANGE

Specified Performance

A, B Grades

−40

+85

−40

+85

−40

+85

°C

for output configuration.

Figure 4