LT1885 datasheet(4/12 Pages) LINER

4 / 12 page

LT1884/LT1885

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

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

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

∆VOS

Offset Voltage Match (LT1884A)

µV

°C < TA < 70°C

125

µV

–40

°C < TA < 85°C

160

µV

Offset Voltage Match (LT1884/LT1885)

(Note 7)

125

µV

°C < TA < 70°C

195

µV

–40

°C < TA < 85°C

235

µV

Offset Voltage Match Drift

(Notes 6, 7)

0.4

1.2

µV/°C

∆IB+

Noninverting Bias Current Match

200

600

(LT1884A)

°C < TA < 70°C

700

–40

°C < TA < 85°C

850

Noninverting Bias Current Match

(Notes 7, 9)

250

1200

(LT1884/LT1885)

°C < TA < 70°C

1600

–40

°C < TA < 85°C

1900

∆CMRR

Common Mode Rejection Match

(Notes 7, 9)

104

125

∆PSRR

Positive Power Supply Rejection Match

VEE = 0V, VCM = 1.5V, 2.7V < VCC < 32V,

104

126

(Notes 7, 9)

ELECTRICAL CHARACTERISTICS

The q 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

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VOS

Input Offset Voltage (LT1884A)

µV

°C < TA < 70°C

µV

–40

°C < TA < 85°C

110

µV

Input Offset Voltage (LT1884/LT1885)

µV

°C < TA < 70°C

125

µV

–40

°C < TA < 85°C

150

µV

Input Offset Voltage Drift (Note 6)

°C < TA < 70°C

0.3

0.8

µV/°C

–40

°C < TA < 85°C

0.3

0.8

µV/°C

IOS

Input Offset Current (LT1884A)

150

300

°C < TA < 70°C

400

–40

°C < TA < 85°C

500

Input Offset Current (LT1884/LT1885)

150

900

°C < TA < 70°C

1200

–40

°C < TA < 85°C

1400

Input Bias Current (LT1884A)

150

400

°C < TA < 70°C

500

–40

°C < TA < 85°C

600

Input Bias Current (LT1884/LT1885)

150

900

°C < TA < 70°C

1200

–40

°C < TA < 85°C

1400

Input Noise Voltage

0.1Hz to 10Hz

0.4

µVP-P

Input Noise Voltage Density

f = 1kHz

9.5

nV/

√Hz

Input Noise Current Density

f = 1kHz

0.05

pA/

√Hz

VCM

Input Voltage Range

VEE + 1.0

VCC – 1.0

VEE + 1.2

VCC – 1.2

CMRR

Common Mode Rejection Ratio

–13.5V < VCM < 13.5V

114

130

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