THS7103 Datasheet, PDF (6/9 Pages) Texas Instruments – ADSL (ISDN) CENTRAL OFFICE LINE INTERFACE DRIVER/RECEIVER

THS7103
SLOS387 − DECEMBER 2001
transmit enable characteristics (TXEN1, TXEN2), VCCL = VCCOPx = 15 V, VCCON = GND,
R_S = 1.35 Ω, N = 1, T_A = 25°C
BUFEN TXEN1 TXEN2
FUNCTION
X
0
0 Tx OFF
DESCRIPTION
Device completely powered down
X
0
1 Tx ON − 100% bias
Full power
X
1
1 Tx ON − Medium bias
Medium power
X
1
0 Tx ON − Low bias
Low power
0
X
X Buffers off
Conserves power when buffers are not required
1
X
X Buffers enabled
NOTE: The default state shall be a logic one (1).
Useful for extra RX filtering
logic control characteristics, VCCL = VCCOPx = 15 V, VCCON = GND, R_S = 1.35 Ω, N = 1, T_A = 25°C
PARAMETER
TXEN1
IIH
TXEN2
BUFEN
TXEN1
IIL
TXEN2
BUFEN
VIH
All logic control pins
VIL
All logic control pins
TEST CONDITIONS
VTXEN1 = 5 V
VTXEN2 = 5 V
VBUFEN = 5 V
VTXEN1 = 0 V
VTXEN2 = 0 V
VBUFEN = 0 V
MIN TYP MAX UNIT
−5
0
5
−5
0
5 µA
−5
0
5
−70 −50 −30
−70 −55 −30 µA
−70 −50 −30
≥2.3
V
≤0.8
V
miscellaneous characteristics, VCCL = VCCOPx = 15 V, VCCON = GND, R_S = 1.35 Ω, N = 1, T_A = 25°C
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
VO
Output voltage, VAG
VO
Output voltage, buffer
VI = 7.5 V
7.4 7.5 7.6 V
7.0 7.5 8.0 V
6
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