ISL1533A_14 Datasheet, PDF (3/14 Pages) Intersil Corporation – Dual Channel Differential DSL Line Driver

Pin Descriptions
24 Ld QFN
1
PIN NAME
VINA+
ISL1533A
FUNCTION
Amplifier A non-inverting input
CIRCUIT
V_S+
7.5k
V_S-
CIRCUIT 1
2
VINB+
Amplifier B non-inverting input
(Reference Circuit 1)
3
GND
Ground connection
4
IADJ
Supply current control pin for both
(Note 4)
DSL channels #1 and #2
V_S+
5, 10, 16, 21
6
7
8
NC
VINC+
VIND+
C1CD (Note 5)
Not connected
Amplifier C non-inverting input
Amplifier D non-inverting input
DSL channel #2 current control pin
I_ADJ
V_S-
GND
CIRCUIT 2
(Reference Circuit 1)
(Reference Circuit 1)
2.6V
V_S+
V_S+
50k
20k
V_S-
C_OAB
I_ADJ
CIRCUIT 3
9
C0CD (Note 5)
DSL channel #2 current control pin
(Reference Circuit 3)
11
VS+
Positive supply
12
VOUTD
Amplifier D output
(Reference Circuit 1)
13
VIND-
Amplifier D inverting input
(Reference Circuit 1)
14
VINC-
Amplifier C inverting input
(Reference Circuit 1)
15
VOUTC
Amplifier C output
(Reference Circuit 1)
17
VOUTB
Amplifier B output
(Reference Circuit 1)
18
VINB-
Amplifier B inverting input
(Reference Circuit 1)
19
VINA-
Amplifier A inverting input
(Reference Circuit 1)
20
VOUTA
Amplifier A output
(Reference Circuit 1)
22
VS-
Negative supply
23
C0AB (Note 6)
DSL channel #1 current control pin
(Reference Circuit 3)
24
C1AB (Note 6)
DSL channel #1 current control pin
(Reference Circuit 3)
NOTES:
4. IADJ controls bias current (IS) setting for both DSL channels.
5. Amplifiers C and D comprise DSL channel #2. C0CD and C1CD control I_S settings for DSL channel #2.
6. Amplifiers A and B comprise DSL channel #1. C0AB and C1AB control I_S settings for DSL channel #1.
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FN8648.0
May 9, 2014