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OPA2846 数据手册 - TI（德州仪器）
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TI（德州仪器）
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双路宽带低噪声电压反馈运算放大器
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封装尺寸在P24P26P27
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标记信息在P24
封装信息在P24P25P26P27
技术参数、封装参数在P22
应用领域在P1P12P16P18P30
电气规格在P3P4P12
型号编号列表在P22
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OPA2846数据手册
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SBOS274C −JUNE 2003 − REVISED AUGUST 2008
www.ti.com
5
TYPICAL CHARACTERISTICS: V
S
= ±5V
T
A
= 25°C, G = +10, R
F
= 453Ω, R
G
= 50Ω, and R
L
= 100Ω, unless otherwise noted.
6
3
0
−
3
−
6
−
9
−
12
−
15
−
18
NONINVERTING SMALL−SIGNAL FREQUENCY RESPONSE
Frequency (Hz)
Normalized Gain (dB)
1M 10M 100M 1G
V
O
=0.2V
PP
R
G
=50
Ω
SeeFigure1
G=50
G=20
G=10
G=7
23
20
17
14
11
8
5
2
NONINVERTING LARGE−SIGNAL FREQUENCY RESPONSE
Frequency (Hz)
Gain (dB)
10M 100M 1G
R
L
=100
Ω
G = +10V/V
SeeFigure1
V
O
=2V
PP
V
O
=5V
PP
V
O
=0.2V
PP
V
O
=1V
PP
2.0
1.6
1.2
0.8
0.4
0
−
0.4
−0.8
−1.2
−1.6
−2.0
NONINVERTING PULSE RESPONSE
Time (5ns/div)
Output Voltage (400mV/div)
0.5
0.4
0.3
0.2
0.1
0
−
0.1
−0.2
−0.3
−0.4
−0.5
Output Voltage (100mV/div)
G=+10V/V
SeeFigure1
Large Signal ±1V
Left Scale
Small Signal ±100mV
Right Scale
3
0
−
3
−
6
−
9
−
12
−
15
−
18
INVERTING SMALL−SIGNAL FREQUENCY RESPONSE
Frequency (Hz)
Normalized Gain (dB)
1M 10M 100M 1G
V
O
=0.2V
PP
R
G
=R
S
=50
Ω
See Figure 2
G=
−
50
G=
−
20
G=
−
12
29
26
23
20
17
14
11
8
5
INVERTING LARGE−SIGNAL FREQUENCY RESPONSE
Frequency (Hz)
Gain (dB)
10M 100M 1G
R
L
=100
Ω
R
G
=R
S
=50
Ω
G=
−
20V/V
SeeFigure2
V
O
=2V
PP
V
O
=5V
PP
V
O
=1V
PP
V
O
=0.2V
PP
2.0
1.6
1.2
0.8
0.4
0
−
0.4
−0.8
−1.2
−1.6
−2.0
INVERTING PULSE RESPONSE
Time (5ns/div)
Output Voltage (400mV/div)
0.5
0.4
0.3
0.2
0.1
0
−
0.1
−0.2
−0.3
−0.4
−0.5
Output Voltage (100mV/div)
G=−20V/V
Large Signal ±1V
Left Scale
Small Signal ±100mV
Right Scale
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