參數(shù)資料
型號(hào)： OPA646
廠商： Texas Instruments, Inc.
英文描述： Low Power, Wide Bandwidth Operational Amplifier(低功耗寬帶運(yùn)算放大器)
中文描述： 低功耗，寬帶運(yùn)算放大器（低功耗寬帶運(yùn)算放大器）
文件頁(yè)數(shù)： 5/13頁(yè)
文件大小： 155K
代理商： OPA646
OPA646
5
Time (5ns/div)
V
LARGE SIGNAL TRANSIENT RESPONSE
(G = +1, R
L
= 100
)
2.0
1.6
1.2
0.8
0.4
0
–0.4
–0.8
–1.2
–1.6
–2.0
TYPICAL PERFORMANCE CURVES
(CONT)
At T
A
= +25
°
C, V
S
=
±
5V, R
L
= 100
, C
L
= 2pF, R
FB
= 402
and all four power supply pins are used, unless otherwise noted. R
FB
= 25
for a gain of +1.
0
–3
–6
–9
–12
–15
1M
Frequency (Hz)
G
G = –1V/V CLOSED-LOOP
SMALL SIGNAL BANDWIDTH
10M
100M
1GHz
–180
–225
–270
–315
–360
P
Gain
Closed-Loop
Phase
Bandwidth
= 165MHz
25
20
15
10
5
0
0
Capacitive Load (pF)
I
)
RECOMMENDED ISOLATION RESISTANCE
vs CAPACITIVE LOAD
50
100
150
Time (5ns/div)
V
SMALL SIGNAL TRANSIENT RESPONSE
(G = +1, R
L
= 100
)
200
160
120
80
40
0
–40
–80
–120
–160
–200
15
12
9
6
3
0
–3
–6
1M
Frequency (Hz)
G
G = +2 CLOSED-LOOP
SMALL SIGNAL BANDWIDTH
10M
1GHz
100M
Gain
Closed-Loop
Phase
Bandwidth
= 185MHz
0
–45
–90
–135
P
9
6
3
0
–3
–6
–9
–12
–15
–18
1M
Frequency (Hz)
G
G = +1 CLOSED-LOOP
SMALL SIGNAL BANDWIDTH
10M
100M
1GHz
0
–45
–90
–135
–180
–225
P
Gain
Closed-Loop
Phase
Bandwidth
= 625MHz
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
OPA646 WAF 制造商:Texas Instruments 功能描述:
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