ISL59424 Datasheet, PDF (2/13 Pages) Intersil Corporation – 1GHz Triple Multiplexing Amplifiers

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