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OPA820SKGD3 Scheda tecnica(PDF) 10 Page - Texas Instruments

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Il numero della parte OPA820SKGD3
Spiegazioni elettronici  UNITY-GAIN STABLE, LOW-NOISE, VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER
PDF  32 Pages
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Produttore elettronici  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

OPA820SKGD3 Scheda tecnica(HTML) 10 Page - Texas Instruments

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100
10
1
INPUT VOLTAGE AND CURRENT NOISE
Frequency (Hz)
10
100
1k
10k
100k
1M
10M
Voltage Noise (2.5nV/√Hz)
Current Noise (1.7pA/√Hz)
100
10
1
RECOMMENDED R
S vs CAPACITIVE LOAD
Capacitive Load (pF)
1
10
100
1000
0dB Peaking Targeted
90
80
70
60
50
40
30
20
10
0
CMRR AND PSRR vs FREQUENCY
Frequency (Hz)
1k
10k
100k
1M
10M
100M
CMRR
+PSRR
−PSRR
50
45
40
35
30
25
20
15
TWO−TONE, 3RD−ORDER
INTERMODULATION INTERCEPT
Frequency (MHz)
0
5
10
15
20
25
30
40 2 W
O P A 82 0
P
P
I
O
5 0 W
2 00 W
8
7
6
5
4
3
2
1
0
−1
−2
−3
FREQUENCY RESPONSE vs CAPACITIVE LOAD
Frequency (MHz)
1
10
100
400
C
L = 10pF
C
L = 22pF
C
L = 47pF
C
L = 100pF
4 02Ω
R
S
OPA 820
V
V
I
O
50Ω
1kΩ(1)
C
L
402Ω
NOTE: (1) 1kΩ is o ptional.
80
70
60
50
40
30
20
10
0
−10
OPEN−LOOP GAIN AND PHASE
Frequency (Hz)
0
−20
−40
−60
−80
−100
−120
−140
−160
−180
100
1k
10k
100k
1M
10M
100M
1G
20 log (A
OL)
∠A
OL
40 2 W
OPA820-HT
SBOS587
– DECEMBER 2011
www.ti.com
TYPICAL CHARACTERISTICS: VS = ±5 V (continued)
RF = 402 Ω, RL = 100 Ω, G = 2 and TA = 25°C unless otherwise noted.
10
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Copyright
© 2011, Texas Instruments Incorporated
Product Folder Link(s): OPA820-HT



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