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TNETEL1400 Datasheet(PDF) 6 Page - Texas Instruments

Part # TNETEL1400
Description  EtherLoopE TRANSCEIVER
PDF  15 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TNETEL1400 Datasheet(HTML) 6 Page - Texas Instruments

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TNETEL1400
EtherLoop
™ TRANSCEIVER
SPHS004A – FEBRUARY 1999 – REVISED MARCH 1999
6
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
Terminal Functions (Continued)
receive (RX)
TERMINAL
I/O†
DESCRIPTION
NAME
NO.
I/O†
DESCRIPTION
RX_TERM
30
I
Receive passive termination
RX_TERM = 1: 110
Ω switched IN
RX_TERM = 0: 110
Ω switched OUT
RXBIAS
17
I
Receive current bias
RXGAIN2
RXGAIN1
RXGAIN0
29 (MSB)
27
28 (LSB)
I
Receive gain select
000 = RX OFF
•
•
•
011 = RX OFF
100 = 0 dB
101 = 12 dB
110 = 24 dB
111 = 30 dB
RXIN
40
I
Receiver input negative/TX feedback
RXIP
39
I
Receiver input positive/TX feedback
RXOUT
31
O
Receiver output (single ended)
† I = input, O = output
miscellaneous
TERMINAL
I/O†
DESCRIPTION
NAME
NO.
I/O†
DESCRIPTION
ANG
19
O
Analog ground (2.5 V) reference
REFP
18
O
4-V bandgap reference
REMN
44
I/O
Negative external emitter resistor
REMP
47
I/O
Positive external emitter resistor
† I = input, O = output
power supply
TERMINAL
DESCRIPTION
NAME
NO.
DESCRIPTION
NU
8, 11, 32, 33, 38, 41
Not used
VCC
15, 34, 43
5-V power
VEE
1, 12, 13, 14, 24, 25, 35, 36, 37, 42, 48
Ground



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