ISL59445_14 Datasheet, PDF (2/14 Pages) Intersil Corporation – 1GHz Triple Multiplexing Amplifiers

Pinouts
ISL59424
(24-LD QFN)
TOP VIEW
ISL59424, ISL59445
ISL59445
(32-LD QFN)
TOP VIEW
IN0B 1
NIC 2
IN0C 3
GNDB 4
IN1A 5
GNDC 6
IN1B 7
19 ENABLE
A=1
18 OUTA
17 V+
A=1
16 OUTB
15 V-
THERMAL
PAD
A=1
14 OUTC
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}
DECODE
EN1
C
IN0 (A, B, C)
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
A=1
23 V+
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
S0
S1
DECODE
HIZ
ENABLE
EN0
EN1
EN2
EN3
IN0 (A, B, C)
IN1 (A, B, C)
IN2 (A, B, C)
IN3 (A, B, C)
AMPLIFIER BIAS
OUT
2
FN7456.3
September 30, 2011