Datasheet

UAF42
www.ti.com SBFS002B –JULY 1992–REVISED OCTOBER 2010
ELECTRICAL CHARACTERISTICS
At T
A
= +25°C, and V
S
= ±15V, unless otherwise noted.
UAF42AP, AU
PARAMETER CONDITIONS MIN TYP MAX UNIT
FILTER PERFORMANCE
Frequency Range, f
n
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
(f
O
• Q) < 10
4
0.025 %/°C
(f
O
• Q) < 10
5
Q Repeatability 2 %
(f
O
• 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 V
S
= ±6V to ±18V 80 96 dB
INPUT BIAS CURRENT
(1)
Input Bias Current V
CM
= 0V 10 50 pA
Input Offset Current V
CM
= 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 mV
PP
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 V
CM
= ±10V 80 96 dB
INPUT IMPEDANCE
(1)
Differential Ω || pF
10
13
|| 2
Common-Mode Ω || pF
10
13
|| 6
OPEN-LOOP GAIN
(1)
Open-Loop Voltage Gain V
O
= ±10V, R
L
= 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 R
L
= 2kΩ ±11 ±11.5 V
Short Circuit Current ±25 mA
(1) Specifications apply to uncommitted op amp, A
4
. The three op amps forming the filter are identical to A
4
but are tested as a complete
filter.
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