isl59445 Intersil Corporation, isl59445 Datasheet - Page 2

• Manufacturer Part Number: isl59445
• Description: 1ghz Triple Multiplexing Amplifiers
• Manufacturer: Intersil Corporation

Pinouts
Functional Diagram ISL59424
ENABLE
THERMAL PAD INTERNALLY CONNECTED TO V-. PAD MUST BE
TIED TO V-
GNDB
GNDC
HIZ
S0
LE
IN0B
IN0C
IN1A
IN1B
A logic high on LE will latch the last S0 state.
This logic state is preserved when cycling HIZ
or ENABLE functions.
LATCHED ON HIGH LE
NIC = NO INTERNAL CONNECTION
NIC
DECODE
1
2
3
4
5
6
7
EN0
EN1
(24-PIN QFN)
TOP VIEW
THERMAL
ISL59424
D
C
D
C
PAD
L
L
2
Q
Q
IN0(A,B,C)
IN1(A,B,C)
AMPLIFIER BIAS
A=1
A=1
A=1
19
18
17
16
15
14
13
ENABLE
OUTA
V+
OUTB
V-
OUTC
S0
ISL59424, ISL59445
OUT
Functional Diagram ISL59445
ENABLE
THERMAL PAD INTERNALLY CONNECTED TO V-. PAD MUST BE
NIC = NO INTERNAL CONNECTION
TIED TO V-
HIZ
S0
S1
GNDB
IN1A
IN1B
IN1C
IN2A
IN2B
NIC
NIC
NIC
DECODE
1
2
3
4
5
6
7
8
9
(32-PIN QFN)
TOP VIEW
ISL59445
EN0
EN1
EN2
EN3
AMPLIFIER BIAS
THERMAL
PAD
IN0(A,B,C)
IN1(A,B,C)
IN2(A,B,C)
IN3(A,B,C)
A=1
A=1
A=1
25
24
23
22
21
20
19
18
17
September 8, 2005
ENABLE
NIC
V+
OUTA
V-
OUTB
OUTC
S0
S1
FN7456.2
OUT