THS7103 Datasheet, PDF (7/9 Pages) Texas Instruments – ADSL (ISDN) CENTRAL OFFICE LINE INTERFACE DRIVER/RECEIVER

APPLICATION INFORMATION
15 V
THS7103
SLOS387 − DECEMBER 2001
VCCL
GND
VCCOP1
VIN‡
Ci^§
TXINP
Ci^§
TXINN
TXAS1
TXAF
Point A
RS†
1BUFIN
1BUFOUT
TXAS2
VA
TXBS2
1:N
VB
RL
BUFEN
2BUFOUT ^THS7103
TXBF
TXBS1
2BUFIN
VCCON
RS†
Point A
TXCM
VAG
RXPO
RXPI
RxOut
RXCM
RXOUTP
RXOUTN
RXPN
RXMN
RXMI
VAG
TXEN1
TXEN2
RXMO
VCCOP2
15 V
† _{Output impedance of transmit driver at point A = 10 × RS}
‡ _{Maximum input of VIN = 3 Vpp.}
§ _{In ADSL systems, it is recommended to use Ci = 390 pF for the THS7103. For testing purposes, use Ci = 0.1 µF.}
Figure 1. Typical THS7103 Circuit Configuration
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