EL4342 데이터 시트보기 (PDF) - Intersil
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EL4342 Datasheet PDF : 13 Pages
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EL4340, EL4342
Pinouts
EL4340
(24 LD QSOP)
TOP VIEW
IN0A 1
GND A 2
IN0B 3
NIC 4
GND B 5
IN0C 6
NIC 7
IN1A 8
NIC 9
IN1B 10
GND C 11
IN1C 12
24 NIC
23 LE
22 ENABLE
21 HIZ
AV=1 20 OUTA
19 V+
18 OUTB
AV=1
17 OUTC
16 V-
AV=1 15 NIC
14 S0
13 NIC
EL4342
(32 LD QFN)
TOP VIEW
IN1A 1
NIC 2
IN1B 3
NIC 4
IN1C 5
GND B 6
IN2A 7
NIC 8
IN2B 9
25 ENABLE
24 NIC
AV=1
23 V+
22 OUTA
21 V-
AV=1
THERMAL
PAD
20 OUTB
19 OUTC
AV=1
18 S0
17 S1
LATCHED ON HIGH LE
NIC = NO INTERNAL CONNECTION
Functional Diagram EL4340
THERMAL PAD INTERNALLY CONNECTED TO V-.
PAD MUST BE TIED TO V-
NIC = NO INTERNAL CONNECTION
Functional Diagram EL4342
S0
EN0 DL Q
DECODE
EN1
C
IN0(A, B, C)
DL Q IN1(A, B, C)
C
OUT
LE
HIZ
ENABLE
AMPLIFIER BIAS
A LOGIC HIGH ON LE WILL LATCH THE LAST S0 STATE.
THIS LOGIC STATE IS PRESERVED WHEN CYCLING HIZ
OR ENABLE FUNCTIONS.
S0
S1
DECODE
HIZ
ENABLE
EN0
EN1 IN0(A, B, C)
IN1(A, B, C)
EN2 IN2(A, B, C)
IN3(A, B, C)
EN3
AMPLIFIER BIAS
OUT
2
FN7421.3
October 18, 2010
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