THS7103 Datasheet, PDF (4/9 Pages) Texas Instruments – ADSL (ISDN) CENTRAL OFFICE LINE INTERFACE DRIVER/RECEIVER

THS7103
SLOS387 − DECEMBER 2001
Terminal Functions
TERMINAL
NAME
NO.
BUFEN
1
I/O
I Buffer enable − enables buffers 1 and 2
DESCRIPTION
1BUFOUT
2
O Buffer 1 output
1BUFIN
3
I Buffer 1 input
2BUFIN
2BUFOUT
6
I Buffer 2 input
7
O Buffer 2 output
GND
26
I Ground
NC
25
No connect
RXCM
8
O Receive channel common-mode voltage decoupling node
RXMO
9
O Negative receiver preamp output
RXMI
10
I Negative receiver preamp inverting input
RXMN
11
I Negative receiver preamp noninverting input
RXOUTP
4
O Receive channel positive output
RXOUTN
RXPI
5
O Receive channel negative output
14
I Positive receiver preamp inverting input
RXPN
13
I Positive receiver preamp noninverting input
RXPO
15 O Positive receiver preamp output
TXAF
22 O Driver A output
TXBF
18 O Driver B output
TXAS1
23
I Driver A sense point 1
TXAS2
21
I Driver A sense point 2
TXBS1
17
I Driver B sense point 1
TXBS2
TXCM
19
I Driver B sense point 2
30 O Transmit channel common mode decoupling node
TXEN1
29
I Transmit enable 1
TXEN2
28
I Transmit enable 2
TXINN
32
I Transmit channel negative input
TXINP
31
I Transmit channel positive input
VAG
12 O Virtual analog ground − is at VCCL/2
VCCL
VCCON
27
I VCC to low level circuitry
20
I Output stage negative supply − tie to ground
VCCOPx
24, 16 I Output stage positive VCC supply
recommended operating conditions
Supply voltage
Operating free-air temperature, TA
VCCL, VCCOP1, VCCOP2
I−suffix
C−suffix
MIN NOM
7.5
15
−40
0
MAX
16
85
70
UNIT
V
°C
4
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