![](http://datasheet.mmic.net.cn/Intersil/ISL1539AIRZ_datasheet_97564/ISL1539AIRZ_2.png)
2
FN6916.0
September 23, 2009
Pin Configurations
ISL1539A
(24 LD HTSSOP)
TOP VIEW
ISL1539A
(24 LD QFN)
TOP VIEW
THERMAL PAD CONNECTS TO GND OR -VS
1
2
3
4
16
15
14
13
5
6
7
12
11
9
8
10
20
19
18
17
24
23
22
21
VS-
C0AB
C1AB
VINA+
VINB+
GND
IADJ
VINC+
VIND+
C1CD
C0CD
VS-
VS+
VOUTA
VINA-
VINB-
VOUTB
NC
VOUTC
VINC-
VIND-
VOUTD
VS+
-
+
-
+
-
+
-
+
19
18
17
16
15
14
13
24
23
22
21
20
8
9
10
11
12
1
2
3
4
5
6
7
VINA+
VINB+
GND
IADJ
NC
VINC+
VIND+
VINA-
VINB-
VOUTB
NC/SHIELD
VOUTC
VINC-
VIND-
C1AB
C0AB
VS
-
VS
+
VOU
T
A
C1CD
C0CD
VS-
VS+
VOUTD
-
+
-
+
-
+
-
+
1
2
3
4
16
15
14
13
5
6
7
12
11
9
8
10
20
19
18
17
24
23
22
21
THERMAL
PAD
VS-
C0AB
C1AB
VINA+
VINB+
GND
IADJ
VINC+
VIND+
C1CD
C0CD
VS-
VS+
VOUTA
VINA-
VINB-
VOUTB
NC
VOUTC
VINC-
VIND-
VOUTD
VS+
19
18
17
16
15
14
13
24
23
22
21
20
8
9
10
11
12
1
2
3
4
5
6
7
VINA+
VINB+
GND
IADJ
NC
VINC+
VIND+
VINA-
VINB-
VOUTB
NC/SHIELD
VOUTC
VINC-
VIND-
C1AB
C0AB
VS
-
VS
+
VOU
T
A
C1C
D
C0C
D
VS
-
VS
+
VOU
T
D
THERMAL
PAD
Pin Descriptions
ISL1539AIR
(24 Ld QFN)
ISL1539AIV
(24 Ld HTSSOP)
PIN NAME
FUNCTION
CIRCUIT
1
4
VINA+
Amplifier A non-inverting input (Refer to Circuit 1)
2
5
VINB+
Amplifier B non-inverting input (Refer to Circuit 1)
3
6
GND
Ground connection
4
7
IADJ
Supply current control pin for
both DSL Port #1 and #2
518, 19
NC
Not connected
6
8
VINC+
Amplifier C non-inverting input (Refer to Circuit 1)
7
9
VIND+
Amplifier D non-inverting input (Refer to Circuit 1)
8
10
C1CD
DSL Port #2 current control pin (Refer to Figure
46)9
11
C0CD
DSL Port #2 current control pin (Refer to Figure
46)10, 22
1, 12
VS-
Negative supply
11, 21
13, 24
VS+
Positive supply
12
14
VOUTD
Amplifier D output
(Refer to Circuit 2)
ISL1539A