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參數(shù)資料
| 型號(hào)： | THS7103IGQE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | Buffer和線驅(qū)動(dòng) |
| 英文描述： | LINE TRANSCEIVER, PBGA80 |
| 封裝： | MICRO, BGA-80 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 166K |
| 代理商： | THS7103IGQE |
THS7102, THS7103
ADSL CENTRAL OFFICE LINE INTERFACE DRIVER/RECEIVER
SLOS311A – MAY 2000 – REVISED FEBRUARY 2001
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Full Rate ADSL Central Office Line
Driver/Receiver
D 15 V Single Supply Operation
D Low 1.1-W Total Power Consumption
– 0.9 W Transmit Drivers
– 0.2 W Receive Channel
D Active Termination Differential Line Drivers
– No Line Matching Resistors Reduces
Output Voltage and Power Consumption
by 50%
D Integrated Differential Receivers
D Includes Analog Filters in Both Transmit
and Received Channels
D Multiple Power Saving Modes
– Bias Current Is Adjustable in 25%
Increments to Allow Lower Power Modes
for Short Line Lengths
D Low Impedance Shutdown
description
The THS7102 and THS7103 are low power
differential ADSL central office line interface
drivers/receivers. They feature active termination
drivers which eliminate the matching resistors
required with traditional ADSL line drivers.
Removal of the matching resistors allows the
THS7102 and THS7103 to output half the output
voltage as compared with traditional drivers,
resulting in a 50% power savings. The lower
output voltage levels resulting from the active
termination
also
allow
the
THS7102
and
THS7103 to operate on a single 15-V supply,
easing power supply requirements.
THS7103
ADSL (POTS)
Device
THS7102/7103 Family
Application
Transmit
Bandpass Filter
Receive
Lowpass Filter
THS7102
ADSL (ISDN)
155 kHz to 1.3 MHz
276 kHz to 1.3 MHz
146 kHz
238 kHz
CAUTION: The THS7102 and THS7103 provide ESD protection circuitry. However, permanent damage can still occur if the devices
are subjected to high-energy electrostatic discharge. Proper ESD precautions are recommended to avoid any performance
degradation or loss of functionality.
PRODUCT
PREVIEW
Copyright
2001, Texas Instruments Incorporated
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD and MicroStar Junior are a trademarks of Texas Instruments.
VFP PACKAGE
(TOP VIEW)
31 30 29 28 27
910
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
VCCOP1
TXAS1
TXAF
TXAS2
VCCON
TXBS2
TXBF
TXBS1
BUFEN
1BUFOUT
1BUFIN
RXOUTP
RXOUTN
2BUFIN
2BUFOUT
RXCM
32
26
11 12 13 14 15
RXMO
RXMI
RXMN
VA
G
RXPO
TXINN
TXINP
TXCM
TXEN1
TXEN2
VCCL
GND
16
NC
25
VCCOP2
RXPN
RXPI
NC – No internal connection
MicroStar Junior
(GQE) PACKAGE
(TOP VIEW)
Die
(Side VIEW)
PowerPAD
Preamp
Driver
Preamp
Receiver
BPF
Tx Out+
Tx Out–
Rx In+
Rx In–
LPF
Tx In+
Tx In–
Rx Out+
Rx Out–
simplified block diagram
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| TI-8.7 | POWER TRANSFORMER, 1000 VA |
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