AD621 datasheet(4/10 Pages) AD

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AD8253

Preliminary Technical Data

Rev. prA | Page 4 of 10

Parameter

Conditions

Min

Typ

Max

Unit

Settling Time 0.001%

ΔOUT = 10 V step

G = 1

615

G = 10

685

G = 100

G = 1000

Slew Rate

G = 1

V/μs

G = 10

V/μs

G = 100

V/μs

G = 1000

V/μs

Total Harmonic Distortion

f = 1 kHz, RL = 10 kΩ, G = 1

GAIN

Gain Range

G = 1, 10, 100, 1000

1000

V/V

Gain Error

OUT = ±10 V

G = 1

0.03

G = 10

0.04

G = 100

G = 1000

Gain Nonlinearity

OUT = −10 V to +10 V

G = 1

RL = 10 kΩ, 2 kΩ, 600 Ω

ppm

G = 10

RL = 10 kΩ, 2 kΩ, 600 Ω

ppm

G = 100

RL = 10 kΩ, 2 kΩ, 600 Ω

ppm

G = 1000

RL = 10 kΩ, 2 kΩ, 600 Ω

ppm

Gain vs. Temperature

All gains

ppm/°C

INPUT

Input Impedance

Differential

GΩ

||pF

Common Mode

GΩ

||pF

Input Operating Voltage Range

VS = ±5 V to ±15 V

−VS + 1.0

+VS − 1.1

Over Temperature

T = −40°C to +85°C

−VS + 1.1

+VS − 1.4

OUTPUT

Output Swing

−13.5

+13.5

Over Temperature

T = −40°C to +85°C

−13.5

+13.5

Short-Circuit Current

REFERENCE INPUT

RIN

kΩ

IIN

+IN, −IN, REF = 0

μA

Voltage Range

−VS

+VS

Gain to Output

1 ± 0.0001

V/V

DIGITAL LOGIC

Digital Ground Voltage, DGND

Referred to GND

−VS + 4.25

+VS − 2.7

Digital Input Voltage Low

Referred to GND

DGND

2.1

Digital Input Voltage High

Referred to GND

2.8

+VS

Digital Input Current

μA

Gain Switching Time1

325

tSU

See Figure 2 timing diagram

tHD

t WR -LOW

t WR -HIGH

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