OPA2234M Datasheet, PDF (3/19 Pages) Texas Instruments – LOW-POWER, PRECISION SINGLE-SUPPLY OPERATIONAL AMPLIFIERS

OPA2234M
www.ti.com
SGDS040 – FEBRUARY 2011
ELECTRICAL CHARACTERISTICS: V_S = 5 V
At T_A = –55°C to 125°C, V_S = 5 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 = 2.5 V
V_CM = 2.5 V
Operating Temperature Range
V_S = 2.7 V to 30 V,
V_CM = 1.7 V
±40
±100
±600
±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 = 2.5 V
V_CM = 2.5 V
f = 1 kHz
–15
–35
±1
±12
Input Voltage Noise Density
V_n
25
Current Noise Density
I_n
80
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
0.5
(V+) – 1
Common-Mode Rejection
INPUT IMPEDANCE
Differential
Common-Mode
OPEN-LOOP GAIN
CMRR
V_CM = 0.5 V to 4 V
V_CM = 2.5 V
86
106
10⁷ || 5
10¹⁰ || 6
Open-Loop Voltage Gain
A_OL
R_L = 10 kΩ, V_O = 0.25 V to 4 V
R_L = 2 kΩ, V_O = 0.5 V to 4 V
78
75
120
96
FREQUENCY RESPONSE
Gain-Bandwidth Product
GBW
C_L = 100 pF
0.35
Slew Rate
SR
0.2
Settling Time:
0.1%
G = 1, 3 V Step,
C_L = 100 pF
15
0.01%
G = 1, 3 V Step,
C_L = 100 pF
25
Overload Recovery Time
(V_IN) (Gain) = V_S
16
OUTPUT
Voltage Output:
Positive
Negative
Positive
Negative
Short-Circuit Current
I_SC
Capacitive Load Drive (Stable
Operation) ⁽³⁾
R_L = 10 kΩ to V_S/2
R_L = 10 kΩ to V_S/2
R_L = 10 kΩ to Ground
R_L = 10 kΩ to Ground
G=1
(V+) – 1
0.25
(V+) – 1
0.1
(V+) – 0.65
0.05
(V+) – 0.65
0.05
±11
1000
POWER SUPPLY
Specified Operating Voltage
5
Operating Voltage Range
2.7
36
Quiescent Current (per amplifier) I_Q
I_O = 0
250
550
UNIT
μV
μV/°C
µV/V
μV/mo
μV/V
nA
nA
nV/√Hz
fA/√Hz
V
dB
Ω || pF
Ω || pF
dB
dB
MHz
V/µs
μs
μs
μs
V
V
V
V
mA
pF
V
V
μA
(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.
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