參數(shù)資料
型號: OPA820IDBVT
英文描述: Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier
中文描述: 單位增益穩(wěn)定,低噪聲,電壓反饋運(yùn)算放大器
文件頁數(shù): 7/25頁
文件大小: 427K
代理商: OPA820IDBVT
"#$
SBOS303A JUNE 2004 REVISED JULY 2004
www.ti.com
7
TYPICAL CHARACTERISTICS: V
S
=
±
5V (continued)
RF = 402
, RL = 100
, and G = +2, unless otherwise noted.
100
10
1
INPUT VOLTAGE AND CURRENT NOISE
Frequency (Hz)
10
100
1k
10k
100k
1M
10M
V
H
C
H
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
R
S
(
)
0dB Peaking Targeted
90
80
70
60
50
40
30
20
10
0
CMRR AND PSRR vs FREQUENCY
Frequency (Hz)
C
P
1k
10k
100k
1M
10M
100M
CMRR
+PSRR
PSRR
50
45
40
35
30
25
20
15
TWOTONE, 3RDORDER
INTERMODULATION INTERCEPT
Frequency (MHz)
I
0
5
10
15
20
25
30
402
OPA820
P
I
P
O
50
200
402
8
7
6
5
4
3
2
1
0
1
2
3
FREQUENCY RESPONSE vs CAPACITIVE LOAD
Frequency (MHz)
N
1
10
100
400
C
L
= 10pF
C
L
= 22pF
C
L
= 47pF
C
L
= 100pF
402
R
S
OPA820
V
I
V
O
50
1k
(1)
C
L
402
NOTE: (1) 1k
is optional.
80
70
60
50
40
30
20
10
0
10
OPENLOOP GAIN AND PHASE
Frequency (Hz)
O
0
20
40
60
80
100
120
140
160
180
O
100
1k
10k
100k
1M
10M
100M
1G
20 log (A
OL
)
A
OL
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