參數(shù)資料
型號(hào)： TAS5132DDVR
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 50 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
封裝： GREEN, PLASTIC, HTSSOP-44
文件頁(yè)數(shù)： 22/26頁(yè)
文件大小： 574K
代理商： TAS5132DDVR
www.ti.com
SLES190 – DECEMBER 2006
Terminal Functions
TERMINAL
FUNCTION (1)
DESCRIPTION
NAME
NO.
AGND
11
P
Analog ground
BST_A
43
P
HS bootstrap supply (BST). External capacitor to OUT_A required.
BST_B
34
P
HS bootstrap supply (BST). External capacitor to OUT_B required.
BST_C
33
P
HS bootstrap supply (BST). External capacitor to OUT_C required.
BST_D
24
P
HS bootstrap supply (BST). External capacitor to OUT_D required.
GND
10
P
Ground
GND_A
38
P
Power ground for half-bridge A
GND_B
37
P
Power ground for half-bridge B
GND_C
30
P
Power ground for half-bridge C
GND_D
29
P
Power ground for half-bridge D
GVDD_A
44
P
Gate-drive voltage supply. Requires 0.1-
F capacitor to GND.
GVDD_B
1
P
Gate-drive voltage supply. Requires 0.1-
F capacitor to GND.
GVDD_C
22
P
Gate-drive voltage supply. Requires 0.1-
F capacitor to GND.
GVDD_D
23
P
Gate-drive voltage supply. Requires 0.1-
F capacitor to GND.
M1
15
I
Mode selection 1
M2
14
I
Mode selection 2
M3
13
I
Mode selection 3
3, 4, 19, 20,
NC
–
No connect. Pins may be grounded.
25, 42
OC_ADJ
9
O
Analog overcurrent programming. Requires resistor to ground.
OTW
2
O
Overtemperature warning signal, open drain, active low
OUT_A
39
O
Output, half-bridge A
OUT_B
36
O
Output, half-bridge B
OUT_C
31
O
Output, half-bridge C
OUT_D
28
O
Output, half-bridge D
Power supply input for half-bridge A. Requires close decoupling of 0.1-
F capacitor
PVDD_A
40, 41
P
to GND_A.
Power supply input for half-bridge B. Requires close decoupling of 0.1-
F capacitor
PVDD_B
35
P
to GND_B.
Power supply input for half-bridge C. Requires close decoupling of 0.1-
F capacitor
PVDD_C
32
P
to GND_C.
Power supply input for half-bridge D. Requires close decoupling of 0.1-
F capacitor
PVDD_D
26, 27
P
to GND_D.
PWM_A
6
I
Input signal for half-bridge A
PWM_B
8
I
Input signal for half-bridge B
PWM_C
16
I
Input signal for half-bridge C
PWM_D
18
I
Input signal for half-bridge D
RESET_AB
7
I
Reset signal for half-bridge A and half-bridge B, active low
RESET_CD
17
I
Reset signal for half-bridge C and half-bridge D, active low
SD
5
O
Shutdown signal, open-drain, active-low
Power supply for digital voltage regulator. Requires 0.1-
F capacitor in parallel with a
VDD
21
P
10-
F capacitor to GND.
VREG
12
P
Digital regulator supply filter. Requires 0.1-
F capacitor to AGND.
(1)
I = input, O = output, P = power
5
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