UAF42

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SBFS002B – JULY 1992 – REVISED OCTOBER 2010

ELECTRICAL CHARACTERISTICS

At TA = +25°C, and VS = ±15V, unless otherwise noted.

UAF42AP, AU

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

FILTER PERFORMANCE

Frequency Range, fn

0 to 100

kHz

Frequency Accuracy

f = 1kHz

1

%

vs Temperature

0.01

%/°C

Maximum Q

400

—

Maximum (Q • Frequency) Product

500

kHz

Q vs Temperature

0.01

%/°C

(fO • Q) < 10

4

0.025

%/°C

(fO • Q) < 10

5

Q Repeatability

2

%

(fO • Q) < 10

5

Offset Voltage, Low-Pass Output

±5

mV

Resistor Accuracy

0.5

1

%

OFFSET VOLTAGE(1)

Input Offset Voltage

±0.5

±5

mV

vs Temperature

±3

mV/°C

vs Power Supply

VS = ±6V to ±18V

80

96

dB

INPUT BIAS CURRENT(1)

Input Bias Current

VCM = 0V

10

50

pA

Input Offset Current

VCM = 0V

5

pA

NOISE

Input Voltage Noise

Noise Density: f = 10Hz

25

nV/

√Hz

Noise Density: f = 10kHz

10

nV/

√Hz

Voltage Noise: BW = 0.1Hz to 10Hz

2

mVPP

Input Bias Current Noise

Noise Density: f = 10kHz

2

fA/

√Hz

INPUT VOLTAGE RANGE(1)

Common-Mode Input Range

±11.5

V

Common-Mode Rejection

VCM = ±10V

80

96

dB

INPUT IMPEDANCE(1)

Differential

Ω || pF

1013|| 2

Common-Mode

Ω || pF

1013|| 6

OPEN-LOOP GAIN(1)

Open-Loop Voltage Gain

VO = ±10V, RL= 2kΩ

90

126

dB

FREQUENCY RESPONSE

Slew Rate

10

V/ms

Gain-Bandwidth Product

G = +1

4

MHz

Total Harmonic Distortion

G = +1, f = 1kHz

0.1

%

OUTPUT(1)

Voltage Output

RL = 2kΩ

±11

±11.5

V

Short Circuit Current

±25

mA

(1)

Specifications apply to uncommitted op amp, A4. The three op amps forming the filter are identical to A4 but are tested as a complete

filter.

Copyright © 1992–2010, Texas Instruments Incorporated

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