KD-SX985
1-31
3.Pin function
Pin No.
Symbol
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
VIN1-A
VIN1+A
VCCP1
VO1+
VO1-
VO2+
VO2-
VO3+
VO3-
VO4+
VO4-
VCCP2
VIN4
VIN4G
VIN3
VIN3G
VIN2
VIN2G
REGIN
3.3VREG
VCCS
VREFIN
MUTE
VIN1_SW
S_GND
VIN1+B
VIN1-B
VIN1
CH1 input AMP_inverted input
CH1 input AMP_non-inverted input
CH1 and CH2 power stage power supply
Output pin(+)for channel 1
CH1 output pin (-) for channel 1
Output pin(+)for channel 2
Output pin(-)for channel 2
Output pin(+)for channel 3
Output pin(-)for channel 3
Output pin(+)for channel 4
Output pin(-)for channel 4
CH3 and CH4 power stage powr supply
Input pin for channel 4
Input pin for channel 4(for gain adjustment)
Input pin for channel 3
Input pin for channel 3(for gain adjustment)
Input pin for channel 2
Input pin for channel 2(for gain adjustment)
External PNP transistor, base connection
3.3VREG output pin, external PNP transistor,collector connection
Signal system GND
Reference voltage application pin
Output ON/OFF pin
CH1 input OP AMP_changeover pin
Signal system GND
CH1 AMP_B non-inverted input pin
CH1 AMP_B inverted input pin
CH1 input pin, input OP_AMP output pin
B
-
+
8
7
6
5
3
4
1
2
3
4
5
6
7
8
AOUTPUT
A-INPUT
A+INPUT
V
B+INPUT
B-INPUT
B OUTPUT
V
NJM4565V-X (IC572) : Dual ope amp
1.Terminal layout & Pin function
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
