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OPA234 Datasheet, PDF (4/19 Pages) Burr-Brown (TI) – Low Power, Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS
ELECTRICAL CHARACTERISTICS: VS = ±15V
At TA = 25°C, VS = ±15V, and RL = 10kΩ connected to ground, unless otherwise noted.
OPA234U, E
OPA2234U
OPA234UA, EA
OPA2234UA
OPA4234UA, U
PARAMETER
CONDITION
MIN
TYP
MAX MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage
OPA4234U Model
vs Temperature(1)
vs Power Supply
vs Time
Channel Separation (Dual, Quad)
VOS
dVOS/dT
PSRR
VCM = 0V
Operating Temperature Range
VS = ±1.35V to ±18V, VCM = 0V
±70
±250
±0.5
±5
3
10
0.2
0.3
✻
±500
µV
±70 ±250
µV
✻
✻
µV/°C
✻
20
µV/V
✻
µV/mo
✻
µV/V
INPUT BIAS CURRENT
Input Bias Current(2)
Input Offset Current
IB
VCM = 0V
IOS
VCM = 0V
–12
–25
±1
±5
✻
–50
nA
✻
✻
nA
NOISE
Input Voltage Noise Density
vn
Current Noise Density
in
f = 1kHz
25
✻
nV/√Hz
80
✻
fA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection
CMRR
VCM = –15V to 14V
(V–)
(V+) –1 ✻
✻
V
91
106
86
✻
dB
INPUT IMPEDANCE
Differential
Common-Mode
VCM = 0V
107 || 5
1010 || 6
✻
Ω || pF
✻
Ω || pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain
AOL
VO = –14.5V to 14V
110
120
100
✻
dB
FREQUENCY RESPONSE
Gain-Bandwidth Product
GBW
CL = 100pF
0.35
Slew Rate
SR
0.2
Settling Time: 0.1%
0.01%
Overload Recovery Time
G = 1, 10V Step, CL = 100pF
41
G = 1, 10V Step, CL = 100pF
47
(VIN) (Gain) = VS
22
✻
MHz
✻
V/µs
✻
µs
✻
µs
✻
µs
OUTPUT
Voltage Output: Positive
(V+) –1 (V+) –0.7
✻
✻
V
Negative
(V–) +0.5 (V–) +0.15
✻
✻
V
Short-Circuit Current
ISC
Capacitive Load Drive (Stable Operation)(3)
G = +1
±22
1000
✻
mA
✻
pF
POWER SUPPLY
Specified Operating Voltage
Operating Voltage Range
Quiescent Current (per amplifier)
IQ
TEMPERATURE RANGE
Specified Range
Operating Range
Storage
Thermal Resistance
θJA
8-Pin DIP
SO-8 Surface-Mount
MSOP-8 Surface-Mount
14-Pin DIP
SO-14 Surface-Mount
IO = 0
±15
✻
V
±1.35
±18
✻
✻
V
±275 ±350
✻
✻
µA
–40
+85
✻
✻
°C
–40
+125
✻
✻
°C
–55
+125
✻
✻
°C
100
✻
°C/W
150
✻
°C/W
220
✻
°C/W
80
✻
°C/W
110
✻
°C/W
✻ Specifications same as OPA234U, E.
NOTES: (1) Wafer-level tested to 95% confidence level. (2) Positive conventional current flows into the input terminals. (3) See Small-Signal Overshoot vs Load
Capacitance typical curve.
4
OPA234, OPA2234, OPA4234
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