參數(shù)資料
型號(hào): OPA860IDR
元件分類: 跨導(dǎo)放大器
英文描述: Wide Bandwidth OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA) and BUFFER
中文描述: 寬帶運(yùn)算跨導(dǎo)放大器(OTA)和緩沖區(qū)
文件頁(yè)數(shù): 7/29頁(yè)
文件大?。?/td> 613K
代理商: OPA860IDR
www.ti.com
TYPICAL CHARACTERISTICS: V
S
=
±
5V
At T
A
= +25
°
C, I
Q
= 11.2mA, and R
L
= 500
, unless otherwise noted.
1000
100
10
Frequency (Hz)
T
1M
10M
100M
1G
R
= 50
V
IN
= 10mV
PP
I
Q
= 12.5mA (117mA/V)
I
Q
= 11.2mA (102mA/V)
I
Q
= 9mA (79mA/V)
I
Q
= 7.5mA (51mA/V)
I
OUT
V
IN
50
50
150
120
90
60
30
0
Quiescent Current (mA)
T
6
7
8
9
10
11
12
13
I
OUT
V
IN
50
50
V
IN
= 100mV
PP
160
140
120
100
80
60
40
20
0
Input Voltage (mV)
T
40
30
20
10
0
10
20
30
40
I
Q
= 12mA
I
Q
= 11.2mA
I
Q
= 9mA
I
Q
= 7mA
Small signal around input voltage.
8
6
4
2
0
2
4
6
8
OTA Input Voltage (mV)
O
70
60
50
40
30
20
10
0
10
20
30
40
50
60
70
I
Q
= 12mA
I
Q
= 11.2mA
I
Q
= 9mA
I
Q
= 7mA
I
OUT
V
IN
50
50
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
Time (10ns/div)
O
G = +5V/V
R
L
= 500
V
IN
= 0.25V
PP
f
= 20MHz
See Figure 48
3
2
1
0
1
2
3
Time (10ns/div)
O
G = +5V/V
R
L
= 500
V
IN
= 1V
f
= 20MHz
See Figure 48
OPA860
SBOS331–JUNE 2005
OTA Performance
OTA TRANSCONDUCTANCE vs FREQUENCY
OTA TRANSCONDUCTANCE vs QUIESCENT CURRENT
Figure 13.
Figure 14.
OTA TRANSCONDUCTANCE vs INPUT VOLTAGE
OTA TRANSFER CHARACTERISTICS
Figure 15.
Figure 16.
OTA SMALL-SIGNAL PULSE RESPONSE
OTA LARGE-SIGNAL PULSE RESPONSE
Figure 17.
Figure 18.
7
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