OPA140
OPA2140, OPA4140
www.ti.com
SBOS498A –JULY 2010–REVISED AUGUST 2010
ELECTRICAL CHARACTERISTICS: VS = +4.5V to +36V; ±2.25V to ±18V
Boldface limits apply over the specified temperature range, TA = –40°C to +125°C.
At TA = +25°C, RL = 2kΩ connected to midsupply, VCM = VOUT = midsupply, unless otherwise noted.
OPA140, OPA2140, OPA4140
PARAMETER
OFFSET VOLTAGE
Offset Voltage, RTI
Over Temperature
CONDITIONS
MIN
TYP
MAX
UNIT
VOS
VS = ±18V
VS = ±18V
30
120
220
1.0
mV
mV
Drift
dVOS/dT
VS = ±18V
±0.35
mV/°C
mV/V
mV/V
vs Power Supply
xxxOver Temperature
INPUT BIAS CURRENT(1)
Input Bias Current
Over Temperature
Input Offset Current
Over Temperature
NOISE
PSRR
VS = ±2.25V to ±18V
VS = ±2.25V to ±18V
±0.1
±0.5
±4
IB
±0.5
±0.5
±10
±3
pA
nA
pA
nA
IOS
±10
±1
Input Voltage Noise
f = 0.1Hz to 10Hz
f = 0.1Hz to 10Hz
Input Voltage Noise Density
f = 10Hz
250
42
nVPP
nVRMS
en
8
nV/√Hz
nV/√Hz
nV/√Hz
f = 100Hz
5.8
5.1
f = 1kHz
Input Current Noise Density
f = 1kHz
In
0.8
fA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
VCM
(V–) –0.1
(V+)–3.5
V
VS = ±18V, VCM = (V–) –0.1V
to (V+) – 3.5V
Common-Mode Rejection Ratio
CMRR
126
140
dB
VS = ±18V, VCM = (V–) –0.1V
to (V+) – 3.5V
Over Temperature
120
dB
INPUT IMPEDANCE
Differential
1013 || 10
1013 || 7
Ω || pF
Ω || pF
Common-Mode
OPEN-LOOP GAIN
VCM = (V–) –0.1V to (V+) –3.5V
VO = (V–)+0.35V to (V+)–0.35V, RL
=
Open-Loop Voltage Gain
AOL
120
126
126
dB
10kΩ
VO = (V–)+0.35V to (V+)–0.35V, RL = 2kΩ
VO = (V–)+0.35V to (V+)–0.35V, RL = 2kΩ
114
dB
Over Temperature
FREQUENCY RESPONSE
Gain Bandwidth Product
Slew Rate
108
dB
BW
11
20
MHz
V/ms
ns
Settling Time, 12-bit (0.024)
Settling Time, 16-bit
THD+N
880
1.6
ms
1kHz, G = 1, VO = 3.5VRMS
0.00005
600
%
Overload Recovery Time
ns
(1) High-speed test, TA = TJ.
Copyright © 2010, Texas Instruments Incorporated
3
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