ISL1532IRZ Datasheet, PDF (5/19 Pages) Intersil Corporation – Dual Channel Differential DSL Line Driver

ISL1532
Pin Descriptions
20 Ld HTSSOP
6
24 Ld QFN
4
PIN NAME
IADJ (Note 2)
FUNCTION
Supply current control pin for both DSL
Channels 1 and 2
CIRCUIT
V_S+
I_ADJ
V_S-
GND
CIRCUIT 3
5
3
GND
Ground connection
7
6
VINC+
Amplifier C non-inverting input
(Reference Circuit 2)
8
7
VIND+
Amplifier D non-inverting input
(Reference Circuit 2)
9
8
C1CD (Note 3) DSL Channel 2 current control pin
(Reference Circuit 1)
10
9
C0CD (Note 3) DSL Channel 2 current control pin
(Reference Circuit 1)
11
10
VS+
Positive supply
12
13
VOUTD
Amplifier D output
(Reference Circuit 2)
13
14
VIND-
Amplifier D inverting input
(Reference Circuit 2)
14
15
VINC-
Amplifier C inverting input
(Reference Circuit 2)
15
16
VOUTC
Amplifier C output
(Reference Circuit 2)
16
17
VOUTB
Amplifier B output
(Reference Circuit 2)
17
18
VINB-
Amplifier B inverting input
(Reference Circuit 2)
18
19
VINA-
Amplifier A inverting input
(Reference Circuit 2)
19
20
VOUTA
Amplifier A output
(Reference Circuit 2)
20
22
VS-
Negative supply
NOTES:
1. Amplifiers A and B comprise DSL Channel 1. C_0AB and C_1AB control I_S settings for DSL Channel 1.
2. I_ADJ controls bias current (I_S) setting for both DSL channels.
3. Amplifiers C and D comprise DSL Channel 2. C_0CD and C_1CD control I_S settings for DSL Channel 2.
Typical Performance Curves
A_V = 10
V_S = ±12V
R_L = 100Ω
R_ADJ = 0Ω
R_F = 3kΩ
R_F = 2kΩ
A_V = 10
V_S = ±12V
R_L = 100Ω
R_ADJ = 0Ω
R_F = 3kΩ
R_F = 2kΩ
R_F = 4kΩ
R_F = 4kΩ
FIGURE 1. DIFFERENTIAL FREQUENCY RESPONSE vs R_F
(FULL I_S)
5
FIGURE 2. DIFFERENTIAL FREQUENCY RESPONSE vs R_F
(3/4 I_S)
FN6173.3
December 4, 2006