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OPA237 Scheda tecnica(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Il numero della parte OPA237
Spiegazioni elettronici  SINGLE-SUPPLY OPERATIONAL AMPLIFIERS MicroAmplifier Series
PDF  22 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

OPA237 Scheda tecnica(HTML) 6 Page - National Semiconductor (TI)

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OPA237
OPA2237
OPA4237
SBOS057A − OCTOBER 1996 − REVISED FEBRUARY 2007
www.ti.com
6
TYPICAL CHARACTERISTICS
At TA = +25°C and RL = 10kΩ, unless otherwise noted.
OPEN−LOOP GAIN/PHASE vs FREQUENCY
1
100
80
60
40
20
0
−20
0
−45
−90
−135
−180
Frequency (Hz)
10
100
1k
10k
100k
1M
10M
C
L = 100pF
V
S = ±15V
V
S = +2.7V, +5V
Φ
G
POWER SUPPLY and COMMON−MODE REJECTION
vs FREQUENCY
120
100
80
60
40
20
0
Frequency (Hz)
10
100
1k
10k
100k
1M
10M
+PSR (V
S =+5V, ±15V)
CMR (V
S = +2.7V, +5V or ± 15V)
+PSR
(V
S = +2.7V)
−PSR
(V
S = ± 15V)
INPUT NOISE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
1
1k
100
10
Frequency (Hz)
10
100
1k
10k
100k
Current Noise
Voltage Noise
CHANNEL SEPARATION vs FREQUENCY
Frequency (Hz)
130
120
110
100
90
80
10
100
1k
10k
100k
Dual and quad devices.
G = 1, all channels.
Quad measured channel
Ato D or B to C
 other
combinations yield improved
rejection.
INPUT BIAS CURRENT vs TEMPERATURE
Temperature (
_C)
14
12
10
8
6
4
−75
−50
−25
0
25
50
75
100
125
V
S = +2.7V, +5V
V
S = ±15V
INPUT BIAS CURRENT
vs INPUT COMMON−MODE VOLTAGE
−12
−11
−10
−9
−8
−7
−6
Common−Mode Voltage (V)
−15
−10
−50
510
15
V
S = ±15V
V
S =+5V
V
S = +2.7V



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