OPA234 Datasheet, PDF (2/19 Pages) Burr-Brown (TI) – Low Power, Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS

ELECTRICAL CHARACTERISTICS: V_S = +5V
At T_A = 25°C, V_S = +5V, R_L = 10kΩ connected to V_S /2, and V_OUT = V_S /2, 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
OPA234E, EA
vs Temperature⁽¹⁾
vs Power Supply
vs Time
Channel Separation (Dual, Quad)
V_OS
dV_OS/dT
PSRR
V_CM = 2.5V
Operating Temperature Range
V_S = +2.7V to +30V, V_CM = 1.7V
±40
±100
±0.5
3
0.2
0.3
±100
±150
±3
10
✻
±250
µV
✻
±350
µV
✻
✻
µV/°C
✻
20
µV/V
✻
µV/mo
✻
µV/V
INPUT BIAS CURRENT
Input Bias Current⁽²⁾
Input Offset Current
I_B
V_CM = 2.5V
I_OS
V_CM = 2.5V
–15
–30
±1
±5
✻
–50
nA
✻
✻
nA
NOISE
Input Voltage Noise Density
v_n
Current Noise Density
i_n
f = 1kHz
25
✻
nV/√Hz
80
✻
fA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection
CMRR
V_CM = –0.1V to 4V
–0.1
(V+) –1 ✻
✻
V
91
106
86
✻
dB
INPUT IMPEDANCE
Differential
Common-Mode
V_CM = 2.5V
10⁷ || 5
10¹⁰ || 6
✻
Ω || pF
✻
Ω || pF
OPEN-LOOP GAIN
V_O = 0.25V to 4V
Open-Loop Voltage Gain
A_OL
R_L = 10kΩ
108
120
100
✻
dB
R_L = 2kΩ
86
96
✻
✻
dB
FREQUENCY RESPONSE
Gain-Bandwidth Product
GBW
C_L = 100pF
0.35
Slew Rate
SR
0.2
Settling Time: 0.1%
0.01%
Overload Recovery Time
G = 1, 3V Step, C_L = 100pF
15
G = 1, 3V Step, C_L = 100pF
25
(V_IN) (Gain) = V_S
16
✻
MHz
✻
V/µs
✻
µs
✻
µs
✻
µs
OUTPUT
Voltage Output: Positive
R_L = 10kΩ to V_S/2
(V+) –1 (V+) –0.65
✻
✻
V
Negative
R_L = 10kΩ to V_S/2
0.25
0.05
✻
✻
V
Positive
R_L = 10kΩ to Ground
(V+) –1 (V+) –0.65
✻
✻
V
Negative
R_L = 10kΩ to Ground
0.1
0.05
✻
✻
V
Short-Circuit Current
I_SC
±11
✻
mA
Capacitive Load Drive (Stable Operation)⁽³⁾
G = +1
1000
✻
pF
POWER SUPPLY
Specified Operating Voltage
Operating Voltage Range
Quiescent Current (per amplifier)
I_Q
TEMPERATURE RANGE
Specified Range
Operating Range
Storage
Thermal Resistance
θ_JA
8-Pin DIP
SO-8 Surface-Mount
MSOP-8 Surface-Mount
14-Pin DIP
SO-14 Surface-Mount
I_O = 0
+5
✻
V
+2.7
+36
✻
✻
V
250
300
✻
✻
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.
2
OPA234, OPA2234, OPA4234
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