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OPA234 Datasheet(PDF) 3 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
tên linh kiện OPA234
Nội dung chi tiết  Low Power, Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS
tải về  18 Pages
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nhà sản xuất  BURR-BROWN [Burr-Brown (TI)]
Trang chủ  http://www.burr-brown.com
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OPA234, OPA2234, OPA4234
3
SBOS055B
www.ti.com
ELECTRICAL CHARACTERISTICS: VS = +2.7V
At TA = 25°C, VS = +2.7V, RL = 10kΩ connected to VS/2, and VOUT = VS/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
VOS
VCM = 1.35V
±40
±100
±250
µV
OPA234E, EA
±100
±150
±350
µV
vs Temperature(1)
dVOS/dT
Operating Temperature Range
±0.5
±3
✻✻
µV/°C
vs Power Supply
PSRR
VS = +2.7V to +30V, VCM = 1.7V
3
10
20
µV/V
vs Time
0.2
µV/mo
Channel Separation (Dual, Quad)
0.3
µV/V
INPUT BIAS CURRENT
Input Bias Current(2)
IB
VCM = 1.35V
–15
–30
–50
nA
Input Offset Current
IOS
VCM = 1.35V
±1
±5
✻✻
n
NOISE
f = 1kHz
Input Voltage Noise Density
vn
25
nV/
√Hz
Current Noise Density
in
80
fA/
√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
–0.1
(V+) –1
✻✻
V
Common-Mode Rejection
CMRR
VCM = –0.1V to 1.7V
91
106
86
dB
INPUT IMPEDANCE
Differential
107 || 5
Ω || pF
Common-Mode
VCM = 1.35V
1010 || 6
Ω || pF
OPEN-LOOP GAIN
VO = 0.25V to 1.7V
Open-Loop Voltage Gain
AOL
RL = 10kΩ
108
125
100
dB
RL = 2kΩ
86
96
86
dB
FREQUENCY RESPONSE
Gain-Bandwidth Product
GBW
CL = 100pF
0.35
MHz
Slew Rate
SR
0.2
V/
µs
Settling Time: 0.1%
G = 1, 1V Step, CL = 100pF
6
µs
0.01%
G = 1, 1V Step, CL = 100pF
16
µs
Overload Recovery Time
(VIN) (Gain) = VS
8
µs
OUTPUT
Voltage Output: Positive
RL = 10kΩ to VS/2
(V+) –1
(V+) –0.6
✻✻
V
Negative
RL = 10kΩ to VS/2
0.25
0.05
✻✻
V
Positive
RL = 10kΩ to Ground
(V+) –1
(V+) –0.65
✻✻
V
Negative
RL = 10kΩ to Ground
0.1
0.05
✻✻
V
Short-Circuit Current
ISC
±8
mA
Capacitive Load Drive (Stable Operation)(3)
G = +1
1000
pF
POWER SUPPLY
Specified Operating Voltage
+2.7
V
Operating Voltage Range
+2.7
+36
✻✻
V
Quiescent Current (per amplifier)
IQ
IO = 0
250
300
✻✻
µA
TEMPERATURE RANGE
Specified Range
–40
+85
✻✻
°C
Operating Range
–40
+125
✻✻
°C
Storage
–55
+125
✻✻
°C
Thermal Resistance
θ
JA
8-Pin DIP
100
°C/W
SO-8 Surface-Mount
150
°C/W
MSOP-8 Surface-Mount
220
°C/W
14-Pin DIP
80
°C/W
SO-14 Surface-Mount
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.



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