參數(shù)資料
型號(hào): OPA847
英文描述: Wideband, Ultra-Low Noise, Voltage-Feedback
中文描述: 寬帶,超低噪聲,電壓反饋
文件頁(yè)數(shù): 8/23頁(yè)
文件大?。?/td> 529K
代理商: OPA847
OPA847
SBOS251C
8
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ±5V
(Cont.)
T
A
= 25°C, G = +20V/V, R
G
= 39.2
, and R
L
= 100
, unless otherwise noted.
0.25
0.20
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
–0.25
SETTLING TIME
Time (ns)
P
0
5
10
15
20
25
30
35
40
G = +20V/V
R
= 100
V
O
= 2V Step
See Figure 1
89
86
83
80
77
74
71
PHOTODIODE TRANSIMPEDANCE
FREQUENCY RESPONSE
Frequency (MHz)
T
)
1
10
100
C
D
= 100pF
R
F
= 20k
C
F
Adjusted
C
D
= 50pF
C
D
= 20pF
C
D
= 10pF
[20log 20k
]
20k
OPA847
20k
V
O
C
DIODE
[C
D
C
F
I
O
0.01
μ
F
0.2
0.1
0
–0.1
–0.2
25.0
12.5
0
–12.5
–25.0
TYPICAL DC DRIFT OVER TEMPERATURE
Ambient Temperature (
°
C)
I
I
μ
A
–50
–25
0
25
50
75
100
125
100 x I
OS
V
IO
I
b
100
90
80
70
60
50
20
18
16
14
12
10
SUPPLY AND OUTPUT CURRENT vs TEMPERATURE
Ambient Temperature (
°
C)
O
S
–50
–25
0
25
50
75
100
125
Sourcing Output Current
Supply Current
Sinking Output Current
5
4
3
2
1
0
–1
–2
–3
–4
–5
COMMON-MODE INPUT RANGE AND OUTPUT SWING
vs SUPPLY VOLTAGE
Supply Voltage (
±
V)
V
2
2
3
3
3
3
4
4
4
4
5
5
5
5
6
Positive Output
R
L
= 100
Negative Output
Negative Input
Positive Input
10
7
10
6
10
5
10
4
10
3
10
2
COMMON-MODE AND DIFFERENTIAL
INPUT IMPEDANCE
Frequency (Hz)
I
)
10
2
10
4
10
5
10
3
10
6
10
7
10
8
Common-Mode
(2.3M
, DC)
Differential
(2.7k
, DC)
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