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OPA234 Datasheet(HTML) 6 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
Part No. OPA234
Description  Low Power, Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS
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Maker  BURR-BROWN [Burr-Brown (TI)]
Homepage  http://www.burr-brown.com
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OPA234 Datasheet(HTML) 6 Page - Burr-Brown (TI)

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OPA234, OPA2234, OPA4234
6
SBOS055B
www.ti.com
INPUT NOISE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
1
1k
100
10
Frequency (Hz)
10
100
1k
10k
100k
Current Noise
Voltage Noise
TYPICAL CHARACTERISTIC CURVES
At TA = +25°C and RL = 10kΩ, unless otherwise noted.
INPUT BIAS CURRENT
vs INPUT COMMON-MODE VOLTAGE
Common-Mode Voltage (V)
–17
–16
–15
–14
–13
–12
–11
–10
–15
–10
–50
5
10
15
V
S = +5V
V
S = +2.7V
V
S = ±15V
INPUT BIAS AND INPUT OFFSET CURRENT
vs TEMPERATURE
Ambient Temperature (°C)
–20
–15
–10
–5
0
+5
–75
–50
–25
0
25
50
75
100
125
V
S = +2.7V, +5V
I
OS
V
S = ±15V
I
B
OPEN-LOOP GAIN/PHASE vs FREQUENCY
0.1
140
120
100
80
60
40
20
0
–20
0
–30
–60
–90
–120
–150
–180
Frequency (Hz)
1
10
100
1k
10k
100k
1M
C
L = 100pF
G
φ
V
O = 0.25V
V
S = +5V
±15V
V
O =
V
S
2
V
S = +2.7V
CMR
+PSR
POWER-SUPPLY AND COMMON-MODE REJECTION
vs FREQUENCY
Frequency (Hz)
120
110
100
90
80
70
60
50
40
30
20
10
0
10
100
1k
10k
100k
1M
–PSR
V
S = +2.7V, +5V
or
±15V
V
S = +2.7V or +5V
V
S = ±15V
CHANNEL SEPARATION vs FREQUENCY
Frequency (Hz)
160
140
120
100
80
10
100
1k
10k
100k
Dual and quad devices.
G = 1, all channels.
Quad measured channel
A to D or B to C—other
combinations yield improved
rejection.
R
L = 10kΩ


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