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OPA621 Datasheet(PDF) 6 Page - Texas Instruments

Part # OPA621
Description  OPERATIONAL AMPLIFIER
PDF  17 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

OPA621 Datasheet(HTML) 6 Page - Texas Instruments

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OPA621
6
6
1
INPUT OFFSET VOLTAGE WARM-UP DRIFT
+200
+100
0
–100
–200
02
3
4
5
Time From Power Turn-On (min)
VOLTAGE AND CURRENT NOISE SPECTRAL DENSITY
vs TEMPERATURE
3.1
2.8
2.5
2.2
1.9
–75
–50
–25
0
+25
+50
+75
+100
+125
Ambient Temperature (°C)
f = 100kHz
O
Current Noise
Voltage Noise
3.1
2.8
2.5
2.2
1.9
INPUT CURRENT NOISE SPECTRAL DENSITY
Frequency (Hz)
100
0.1
1M
10M
100M
10
100
1k
10k
1
100k
TOTAL INPUT VOLTAGE NOISE SPECTRAL DENSITY
vs SOURCE RESISTANCE
Frequency (Hz)
100
0.1
1M
10M
100M
10
100
1k
10k
1
100k
Ω
R = 1k
S
Ω
R = 500
S
Ω
S
Ω
R = 0
S
R = 100
A = +10V/V CLOSED-LOOP BANDWIDTH
vs OUTPUT VOLTAGE SWING
V
Frequency (Hz)
8
6
0
1M
10M
100M
1G
4
1k
10k
100k
2
Ω
R = 50
L
TYPICAL PERFORMANCE CURVES (CONT)
At VCC = ±5VDC, RL = 100Ω, and TA = +25°C, unless otherwise noted.
0
INPUT OFFSET VOLTAGE CHANGE
DUE TO THERMAL SHOCK
+1500
+750
0
–750
–1500
–1
+1
+2
+3
+4
Time From Thermal Shock (min)
+5
T
A
= 25°C to 70°C
Air Environment
25°C



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