AD8253 datasheet(3/34 Pages) AD

3 / 34 page

LTC6373

Rev. 0

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ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

GDIFF

Differential Gain Range

G = 16, 8, 4, 2, 1, 0.5, 0.25

0.25

V/V

∆GDIFF

Differential Gain Error (Note 11)

G = 4, 2, 1, 0.5, 0.25

0.002

0.012

0.02

G = 16, 8

0.003

0.015

0.023

∆GDIFF/∆T

Differential Gain Drift (Note 6)

0.25

ppm/°C

GNL

Differential Gain Nonlinearity (Note 11)

VOUTDIFF = 40VP-P

ppm

VOSDIFF

Differential Offset Voltage (Input Referred)

(Note 7)

G = 16, 8, 4, 2, 1, 0.5, 0.25

TA = –40°C to 85°C

TA = –40°C to 125°C

10 + 40/G

80 + 192/G

250 + 400/G

1120 + 1120/G

μV

∆VOSDIFF/∆T

Differential Offset Voltage Drift

(Input Referred) (Note 6)

G = 16, 8, 4, 2, 1, 0.5, 0.25

TA = –40°C to 85°C

TA = –40°C to 125°C

0.3 + 0.5/G

2 + 1.5/G

1.5 + 2.5/G

5 + 5.5/G

μV/°C

Differential Offset Voltage Hysteresis (Input

Referred) (Note 12)

G = 16, 8, 4, 2, 1, 0.5, 0.25

10 + 15/G

μV

Input Bias Current (Notes 7, 8)

Active

TA = –40°C to 85°C

TA = –40°C to 125°C

500

Shutdown (A2 = A1 = A0 = 5V)

IOS

Input Offset Current (Notes 7, 8)

Active

TA = –40°C to 85°C

TA = –40°C to 125°C

100

Shutdown (A2 = A1 = A0 = 5V)

Differential Input Voltage Noise Density

f = 10kHz

G = 16

G = 8

G = 4

G = 2

G = 1

G = 0.5

G = 0.25

8.4

9.5

12.2

18.7

26.4

nV/√Hz

Differential Input Voltage Noise

0.1Hz to10Hz

G = 16

G = 8

G = 4

G = 2

G = 1

G = 0.5

G = 0.25

1.1

1.2

1.3

1.5

1.8

2.4

4.2

μVP-P

Input Current Noise Density

f = 10kHz

fA/√Hz

Input Current Noise

0.1Hz to 10Hz

100

fAP-P

enVOCM

Common Mode Voltage Noise Density

f = 10kHz

nV/√Hz

RIN

Input Resistance

Differential Mode

Common Mode

5×1012

CIN

Input Capacitance

VINR

Input Voltage Range

V– + 3

V– + 3.25

V+ – 3

The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications and all typical values are at TA = 25°C. V+ = V+OUT = 15V, V– = –15V, VICM = VOCM = DGND =

0V, G = 1 (A2 = 5V, A1 = A0 = 0V). VS is defined as (V+ – V–). VICM is defined as (V+IN + V–IN)/2. VOUTCM is defined as (V+OUT + V–OUT)/2.

VOUTDIFF is defined as (V+OUT – V–OUT).

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