OPA2234M Datasheet, PDF (7/19 Pages) Texas Instruments – LOW-POWER, PRECISION SINGLE-SUPPLY OPERATIONAL AMPLIFIERS

OPA2234M
www.ti.com
SGDS040 – FEBRUARY 2011
ELECTRICAL CHARACTERISTICS: V_S = ±15 V
At T_A = –55°C to 125°C, V_S = ±15 V, R_L = 10 kΩ connected to V_S/2, and V_OUT = V_S/2, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
OFFSET VOLTAGE
Input Offset Voltage
vs Temperature⁽¹⁾
vs Power Supply
vs Time
V_OS
dV_OS/dT
PSRR
T_A = 25°C, V_CM = 0 V
V_CM = 0 V
Operating Temperature Range
V_S = ±1.35 V to ±18 V,
V_CM = 0 V
±70
±250
±750
±3
3
20
0.2
Channel Separation (Dual)
0.3
INPUT BIAS CURRENT
Input Bias Current⁽²⁾
I_B
Input Offset Current
I_OS
NOISE
V_CM = 0 V
V_CM = 0 V
f = 1 kHz
–12
–30
±1
±12
Input Voltage Noise Density
V_n
25
Current Noise Density
I_n
80
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
(V–) + 1
(V+) – 1
Common-Mode Rejection
INPUT IMPEDANCE
Differential
Common-Mode
OPEN-LOOP GAIN
CMRR
V_CM = –14 V to 14 V
V_CM = 0 V
86
106
10⁷ || 5
10¹⁰ || 6
Open-Loop Voltage Gain
A_OL
FREQUENCY RESPONSE
V_O = –13.5 V to 13 V
87
120
Gain-Bandwidth Product
GBW
C_L = 100 pF
0.35
Slew Rate
SR
0.2
Settling Time:
0.1%
G = 1, 10 V Step,
C_L = 100 pF
41
0.01%
G = 1, 10 V Step,
C_L = 100 pF
47
Overload Recovery Time
(V_IN) (Gain) = V_S
22
OUTPUT
Voltage Output:
Positive
(V+) – 2
(V+) – 0.7
Negative
(V–) + 1.5 (V–) + 0.15
Short-Circuit Current
I_SC
Capacitive Load Drive (Stable
Operation) ⁽³⁾
G=1
±22
1000
POWER SUPPLY
Specified Operating Voltage
±15
Operating Voltage Range
±1.35
±18
Quiescent Current (per amplifier) I_Q
I_O = 0
±275
±550
(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.
UNIT
µV
µV/°C
µV/V
µV/mo
µV/V
nA
nA
nV/√Hz
fA/√Hz
V
dB
Ω || pF
Ω || pF
dB
MHz
V/μs
μs
μs
μs
V
V
mA
pF
V
V
μA
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