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參數(shù)資料
| 型號(hào)： | OPA660AP |
| 元件分類： | 跨導(dǎo)放大器 |
| 英文描述： | Wide Bandwidth OPERATIONAL TRANSCONDUCTANCE AMPLIFIER AND BUFFER |
| 中文描述： | 寬帶運(yùn)算跨導(dǎo)放大器和緩沖 |
| 文件頁數(shù)： | 8/18頁 |
| 文件大?。?/td> | 358K |
| 代理商： | OPA660AP |
8
OPA660
E
(2)
C
(8)
B
(3)
V
(6)
O
V
(5)
I
Bias
Circuitry
+V
CC
= +5V
BUFFER
OTA
100
50k
R (ext.)
–V
CC
= –5V
I Adj.
(1)
(7)
(4)
HARMONIC DISTORTION vs FREQUENCY
–30
–40
–50
–60
–70
10M
20M
40M
60M
100M
Frequency (Hz)
H
R
L
= 500
I
Q
= 20mA
3f
2Vp-p
3f
0.5Vp-p
2f
2Vp-p
2f
0.5Vp-p
Measurement Limit
–80
HARMONIC DISTORTION vs FREQUENCY
–30
–40
–50
–60
–70
10M
20M
40M
60M
100M
2f
3f
Measurement Limit
Frequency (Hz)
H
R
L
= 150
V
O
= 0.5Vp-p
I
Q
= 20mA
–80
TYPICAL PERFORMANCE CURVES
(CONT)
I
Q
= 20mA, T
A
= +25
°
C, and V
S
=
±
5V unless otherwise noted.
APPLICATIONS INFORMATION
The OPA660 operates from
±
5V power supplies (
±
6V
maximum). Do not attempt to operate with larger power
supply voltages or permanent damage may occur.
Inputs of the OPA660 are protected with internal diode
clamps as shown in the simplified schematic, Figure 1. These
protection diodes can safely conduct 10mA, continuously
(30mA peak). If input voltages can exceed the power supply
voltages by 0.7V, the input signal current must be limited.
The buffer output is not current-limited or protected. If the
output is shorted to ground, currents up to 60mA could flow.
Momentary shorts to ground (a few seconds) should be
avoided, but are unlikely to cause permanent damage. The
same cautions apply to the OTA section when connected as
a buffer (see Basic Applications Circuits, Figure 6b).
FIGURE 1. Simplified Circuit Diagram.
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