LT1881(RevA) Просмотр технического описания (PDF) - Linear Technology

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LT1881
(Rev.:RevA)

Dual and Quad Rail-to-Rail Output, Picoamp Input Precision Op Amps

Linear Technology 

LT1881/LT1882

ELECTRICAL CHARACTERISTICS

The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.

Single supply operation VS = 5V, 0V; VCM = VS/2 unless otherwise noted. (Note 5)

SYMBOL

SR +

PARAMETER

Slew Rate Positive

SR –

Slew Rate Negative

CONDITIONS

AV = – 1

AV = – 1

FPBW

ΔVOS

ΔIB+

ΔCMRR

ΔPSRR

Full-Power Bandwidth

Offset Voltage Match (LT1881A)

Offset Voltage Match (LT1881/LT1882)

Offset Voltage Match Drift

Noninverting Bias Current Match

(LT1881A)

Noninverting Bias Current Match

(LT1881/LT1882)

Common Mode Rejection Match

Power Supply Rejection Match

(Notes 7, 9)

VOUT = 4VP-P

(Note 10)

(Note 7)

0°C < TA < 70°C

– 40°C < TA < 85°C

(Note 7)

0°C < TA < 70°C

– 40°C < TA < 85°C

(Notes 6, 7)

(Notes 7, 8)

0°C < TA < 70°C

– 40°C < TA < 85°C

(Notes 7, 8)

0°C < TA < 70°C

– 40°C < TA < 85°C

(Notes 7, 9)

V– = 0V, VCM = 1.5V

0°C < TA < 85°C, 2.7V < V+ < 32V

TA = –40°C, 3V < V+ < 32V

MIN

TYP

MAX

UNITS

0.15

0.35

V/μs

●

0.12

V/μs

0.11

0.18

V/μs

●

0.08

V/μs

8.75

14

kHz

●

6.35

kHz

30

70

μV

●

125

μV

●

160

μV

35

125

μV

●

175

μV

●

235

μV

●

0.4

1.2

μV/°C

200

300

pA

●

400

pA

●

500

pA

250

700

pA

●

900

pA

●

1000

pA

●

102

125

dB

●

104

126

dB

104

126

dB

The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.

Split supply operation VS = ±15V, VCM = 0V unless otherwise noted. (Note 5)

SYMBOL

VOS

PARAMETER

Input Offset Voltage (LT1881A)

Input Offset Voltage (LT1881/LT1882)

ΔVOS/ΔT

Input Offset Voltage Drift

(Note 6)

ΔVOS/ΔTIME Long-Term Input Offset Voltage Stability

IOS

Input Offset Current (LT1881A)

Input Offset Current (LT1881/LT1882)

CONDITIONS

0°C < TA < 70°C

– 40°C < TA < 85°C

0°C < TA < 70°C

– 40°C < TA < 85°C

0°C < TA < 70°C

– 40°C < TA < 85°C

0°C < TA < 70°C

– 40°C < TA < 85°C

0°C < TA < 70°C

– 40°C < TA < 85°C

MIN

TYP

MAX

UNITS

25

50

μV

●

85

μV

●

110

μV

30

80

μV

●

125

μV

●

150

μV

●

0.3

0.8

μV/°C

●

0.3

0.8

μV/°C

0.3

μV/month

150

200

pA

●

250

pA

●

300

pA

150

500

pA

●

600

pA

●

700

pA

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