1-20 (No.49858)
4.6
LA6574H-X (IC501) : CD driver
• Pin layout & brock daiagram
• Pin function
28 REV
27 FWD
26 S-GND
25 VCONT
24 VIN4
23 VIN4G
22 VCC-S
FR FR
21 VREF-IN
20 REG-OUT
19 REG-IN
18 VIN3G
17 VIN3
16 VIN2G
15 VIN2
VCC2 1
V05- 2
V05+ 3
V04+ 4
V04- 5
V03+ 6
V03- 7
FR FR
V02+ 8
V02- 9
V01+ 10
V01- 11
VCC1 12
VIN1 13
VIN1G 14
POWER supplise
CH5
CH5
CH4
CH3
CH2
CH1
22k
11k
CH1.2.3.4
POWER
Level Shift
Level Shift
Level Shift
Level Shift
Output Control
22k
11k
22k
3.3VREG (External
PNP Tr)
Signal System Power
22k
11k
Input
Thermal Shutdown
11k
Pin No.
Symbol
Function
9
VO2-
CH2 output terminal(-)
10
VO1+
CH1 output te)
11
VO1-
CH1 output terminal(-)
12
VCC1
CH1, 2, 3, 4 power supplies
13
VIN1
CH1 input terminal
14
VIN1G
CH1 input terminal(for gain adjustment)
15
VIN2
CH2 input terminal
16
VIN2G
CH2 input terminal(for gain adjustment)
17
VIN3
CH3 input terminal
18
VIN3G
CH3 input terminal(for gain adjustment)
19
REG-IN
Regulator terminal
20
REG-OUT Regulator terminal
21
VREF-IN Standard voltage input terminal
22
VCC-S
Signal system power
23
VIN4G
CH4 input terminal(for gain adjustment)
24
VIN4
CH4 input terminal
25
VCONT
CH5 output voltage set terminal
26
S-GND
Signal system GND
27
FWD
CH5 output switch terminal
28
REV
CH5 output switch terminal
Pin No.
Symbol
Function
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