參數(shù)資料
型號： TAS5631PHD
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： AUDIO AMPLIFIER, PQFP64
封裝： GREEN, PLASTIC, HTQFP-64
文件頁數(shù)： 30/34頁
文件大?。?/td> 1823K
代理商： TAS5631PHD
www.ti.com
SLES221C – JULY 2009 – REVISED APRIL 2010
TERMINAL FUNCTIONS (continued)
TERMINAL
Function(1)
DESCRIPTION
NAME
PHD NO.
DKD NO.
BST_C
40
33
P
HS bootstrap supply (BST); external 0.033-mF capacitor to OUT_C required
BST_D
27
24
P
HS bootstrap supply (BST); external 0.033-mF capacitor to OUT_D required
CLIP
18
—
O
Clipping warning; open drain; active-low
C_STARTUP
3
5
O
Start-up ramp requires a charging capacitor of 4.7 nF to AGND.
TEST
12
14
I
Connect to VREG node
GND
7, 23, 24, 57, 58
9
P
Ground
GND_A
48, 49
38
P
Power ground for half-bridge A
GND_B
46, 47
37
P
Power ground for half-bridge B
GND_C
34, 35
30
P
Power ground for half-bridge C
GND_D
32, 33
29
P
Power ground for half-bridge D
GVDD_A
55
—
P
Gate drive voltage supply requires 0.1-mF capacitor to AGND.
GVDD_B
56
—
P
Gate drive voltage supply requires 0.1-mF capacitor to AGND.
GVDD_C
25
—
P
Gate drive voltage supply requires 0.1-mF capacitor to AGND.
GVDD_D
26
—
P
Gate drive voltage supply requires 0.1-mF capacitor to AGND.
GVDD_AB
—
44
P
Gate drive voltage supply requires 0.22-mF capacitor to AGND.
GVDD_CD
—
23
P
Gate drive voltage supply requires 0.22-mF capacitor to AGND.
INPUT_A
4
6
I
Input signal for half-bridge A
INPUT_B
5
7
I
Input signal for half-bridge B
INPUT_C
10
12
I
Input signal for half-bridge C
INPUT_D
11
13
I
Input signal for half-bridge D
M1
20
I
Mode selection
M2
21
I
Mode selection
M3
22
I
Mode selection
NC
59–62
–
—
No connect; pins may be grounded.
NC
13, 14
15, 16
—
No connect; pins may be grounded.
OC_ADJ
1
3
O
Analog overcurrent programming pin requires resistor to ground.
OTW
—
18
O
Overtemperature warning signal, open-drain, active-low
OTW1
16
—
O
Overtemperature warning signal, open-drain, active-low
OTW2
17
—
O
Overtemperature warning signal, open-drain, active-low
OUT_A
52, 53
39, 40
O
Output, half-bridge A
OUT_B
44, 45
36
O
Output, half-bridge B
OUT_C
36, 37
31
O
Output, half-bridge C
OUT_D
28, 29
27, 28
O
Output, half-bridge D
PSU_REF
63
1
P
PSU reference requires close decoupling of 4.7 mF to AGND.
Power-supply input for half-bridge A requires close decoupling of 0.01-mF capacitor in
PVDD_A
50, 51
41, 42
P
parallel with 1-mF capacitor to GND_A.
Power-supply input for half-bridge B requires close decoupling of 0.01-mF capacitor in
PVDD_B
42, 43
35
P
parallel with 1-mF capacitor to GND_B.
Power-supply input for half-bridge C requires close decoupling of 0.01-mF capacitor in
PVDD_C
38, 39
32
P
parallel with 1-mF capacitor to GND_C.
Power-supply input for half-bridge D requires close decoupling of 0.01-mF capacitor in
PVDD_D
30, 31
25, 26
P
parallel with 1-mF capacitor to GND_D.
READY
19
O
Normal operation; open-drain; active-high
RESET
2
4
I
Device reset input; active-low
SD
15
17
O
Shutdown signal; open-drain, active-low
Power supply for digital voltage regulator requires a 47-mF capacitor in parallel with a
VDD
64
2
P
0.1-mF capacitor to GND for decoupling.
VI_CM
6
8
O
Analog comparator reference node requires close decoupling of 4.7 mF to AGND.
VREG
9
11
P
Digital regulator supply filter pin requires 0.1-mF capacitor to AGND.
Copyright 2009–2010, Texas Instruments Incorporated
5
Product Folder Link(s): TAS5631
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