參數(shù)資料
型號(hào): THS3096DR
廠商: Texas Instruments, Inc.
英文描述: HIGH-VOLTAGE, LOW-DISTORTION, CURRENT-FEEDBACK OPERATIONAL AMPLIFIERS
中文描述: 高壓,低失真,電流反饋運(yùn)算放大器
文件頁數(shù): 17/34頁
文件大?。?/td> 1605K
代理商: THS3096DR
www.ti.com
WIDEBAND, INVERTING OPERATION
Figure 53 shows the THS3092 in a typical inverting
gain
configuration
where
impedances and signal gain from Figure 52 are
retained in an inverting circuit configuration.
_
+
R
G
402
R
M
57.6
0.1
μ
F
6.8
μ
F
+
V
S
15 V
50
Source
V
I
0.1
μ
F
6.8
μ
F
+
+V
S
15 V
R
F
806
49.9
50
LOAD
_
+
49.9
50
Source
V
I
+V
S
R
F
909
R
G
909
+V
S
2
+V
S
2
_
+
402
R
T
50
Source
V
I
V
S
R
F
806
+V
S
2
+V
S
2
57.6
R
G
R
T
49.9
49.9
50
LOAD
50
LOAD
SINGLE SUPPLY OPERATION
The THS3092/6 have the capability to operate from a
single
supply
voltage
10 V to 30 V. When operating from a single power
supply, biasing the input and output at mid-supply
allows for the maximum output voltage swing. The
circuits shown in Figure 54 shows inverting and
noninverting amplifiers configured for single supply
operations.
VDSL Driver Circuit
THS3092
THS3096
SLOS428A–DECEMBER 2003–REVISED FEBRUARY 2004
the
input
and
output
Figure 53. Wideband, Inverting Gain
Configuration
Figure 54. DC-Coupled, Single-Supply Operation
The THS3092 and THS3096 have the ability to drive
over 200 mA of current with very high voltage swings.
Using these amplifiers coupled with the very high
slew rate, low distortion, and low noise required in
VDSL applications, makes for a perfect match. In
VDSL systems where the receive signal is critical, the
use of a low transformer ratio is necessary. With this
low ratio, the output swing required from the line
driver amplifier must increase, especially when driv-
ing the VDSL’s full 14.5-dBm power onto the line. The
line driver's low distortion and noise is critical for the
VDSL as the receive bands are intertwined with the
transmit frequency bands up to the 12-MHz VDSL
limit.
ranging
from
17
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PDF描述
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