Denon RCD-N9 Service Manual page 71

TAS5142DKD (AMP : IC70)
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Terminal Functions
TAS5142 Pin Discriptions
TERMINAL
NAME DKD NO.
AGND 9
BST_A 35
BST_B 28
BST_C 27
BST_D 20
GND 8
GND_A 32
GND_B 31
GND_C 24
GND_D 23
GVDD_A 36
GVDD_B 1
GVDD_C 18
GVDD_D 19
M1 13
M2 12
M3 11
NC –
OC_ADJ 7
OTW 2
OUT_A 33
OUT_B 30
OUT_C 25
OUT_D 22
PVDD_A 34
PVDD_B 29
PVDD_C 26
PVDD_D 21
PWM_A 4
PWM_B 6
PWM_C 14
PWM_D 16
RESET_AB 5
RESET_CD 15
SD 3
VDD 17
VREG 10
(1) I = input, O = output, P = power
The TAS5142 is available in two thermally enhanced packages:
• 36-pin PSOP3 package (DKD)
• 44-pin HTSSOP PowerPad™ package (DDV)
Both package types contain a heat slug that is located on the top side of the device for convenient therma
coupling to the heatsink.
DKD PACKAGE
GVDD_B
1
OTW
2
SD
3
PWM_A
4
RESET_AB
5
PWM_B
6
OC_ADJ
7
GND
8
AGND
9
VREG
10
M3
11
M2
12
M1
13
PWM_C
14
RESET_CD
15
PWM_D 16
VDD
17
GVDD_C 18
(1)
FUNCTION
DDV NO.
11 P
43 P
34 P
33 P
24 P
10 P
38 P
37 P
30 P
29 P
44 P
1 P
2
22 P
23 P
15 I
14 I
13 I
3, 4, 19, 20, 25, –
42
9 O
2 O
39 O
36 O
31 O
28 O
40, 41 P
35 P
32 P
26, 27 P
6 I
8 I
16 I
18 I
7 I
17 I
5 O
21 P
12 P
(TOP VIEW)
GVDD_A
36
BST_A
35
PVDD_A
34
OUT_A
33
GND_A
32
GND_B
31
OUT_B
30
PVDD_B
29
BST_B
28
BST_C
27
PVDD_C
26
OUT_C
25
GND_C
24
GND_D
23
OUT_D
22
21 PVDD_D
BST_D
20
19 GVDD_D
SLES126B – DECEMBER 2004 – REVISED MAY 2005
P0018-01
DESCRIPTION
Analog ground
HS bootstrap supply (BST), external capacitor to OUT_A required
HS bootstrap supply (BST), external capacitor to OUT_B required
HS bootstrap supply (BST), external capacitor to OUT_C required
HS bootstrap supply (BST), external capacitor to OUT_D required
Ground
Power ground for half-bridge A
Power ground for half-bridge B
Power ground for half-bridge C
Power ground for half-bridge D
Gate-drive voltage supply requires 0.1-µF capacitor to AGND
Gate-drive voltage supply requires 0.1-µF capacitor to AGND
Gate-drive voltage supply requires 0.1-µF capacitor to AGND
Gate-drive voltage supply requires 0.1-µF capacitor to AGND
Mode selection pin
Mode selection pin
Mode selection pin
No connect. Pins may be grounded.
Analog overcurrent programming pin requires resistor to ground
Overtemperature warning signal, open-drain, active-low
Output, half-bridge A
Output, half-bridge B
Output, half-bridge C
Output, half-bridge D
Power supply input for half-bridge A requires close decoupling of
0.1-µF capacitor to GND_A.
Power supply input for half-bridge B requires close decoupling of
0.1-µF capacitor to GND_B.
Power supply input for half-bridge C requires close decoupling of
0.1-µF capacitor to GND_C.
Power supply input for half-bridge D requires close decoupling of
0.1-µF capacitor to GND_D.
Input signal for half-bridge A
Input signal for half-bridge B
Input signal for half-bridge C
Input signal for half-bridge D
Reset signal for half-bridge A and half-bridge B, active-low
Reset signal for half-bridge C and half-bridge D, active-low
Shutdown signal, open-drain, active-low
Power supply for digital voltage regulator requires 0.1-µF capacitor
to GND.
Digital regulator supply filter pin requires 0.1-µF capacitor to AGND.
71
DDV PACKAGE
(TOP VIEW)
GVDD_B
1
OTW
2
NC
3
NC
4
SD
5
PWM_A
6
RESET_AB
7
PWM_B
8
OC_ADJ
9
GND
10
AGND
11
VREG
12
M3
13
M2
14
M1
15
PWM_C
16
TAS5142
RESET_CD
17
PWM_D
18
NC
19
NC
20
VDD
21
GVDD_C
22
GVDD_A
44
BST_A
43
NC
42
PVDD_A
41
PVDD_A
40
OUT_A
39
GND_A
38
GND_B
37
OUT_B
36
PVDD_B
35
BST_B
34
BST_C
33
PVDD_C
32
OUT_C
31
GND_C
30
GND_D
29
OUT_D
28
PVDD_D
27
PVDD_D
26
NC
25
BST_D
24
GVDD_D
23
P0016-02