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參數(shù)資料
| 型號： | TPA3200D1DCPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 12.8 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO44 |
| 封裝： | GREEN, PLASTIC, HTSSOP-44 |
| 文件頁數(shù)： | 27/29頁 |
| 文件大?。?/td> | 1083K |
| 代理商： | TPA3200D1DCPR |
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TPA3200D1
SLOS442A – MAY 2005 – REVISED JULY 2005
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NO.
NAME
1
BCK
I
Bit clock input for audio data
3
DATA
I
Audio data input
4
LRCK
I
Left and right channel audio data latch enable input
Select left-channel or right-channel data
7
LR_SEL
I
HIGH: Left channel active
LOW: Right channel active
11
GAIN0
I
Gain select least significant bit. TTL logic levels with compliance to 5 V.
12
GAIN1
I
Gain select most significant bit. TTL logic levels with compliance to 5 V.
Shutdown signal for IC (low = shutdown, high = operational).
13
SHUTDOWN
I
TTL logic levels with compliance to 18 V.
5, 9, 38, 40
DGND
-
Digital ground
6, 8
VDD
-
Digital power supply (4.5 V – 5.5 V)
15
VCLAMP
-
Internally generated voltage supply for bootstrap capacitor
17
BSN
I/O
Bootstrap I/O, negative high-side FET
28
BSP
I/O
Bootstrap I/O, positive high-side FET
2, 16
NC
-
No internal connection
31
ROSC
I/O
I/O for current setting resistor for ramp generator
32
COSC
I/O
I/O for charge/discharging currents onto capacitor for ramp generator creation
33
BYPASS
O
Midrail analog reference voltage
34
VREF
O
Analog 5-V regulated output. Not to be used for powering external circuitry.
35
VCC
-
High-voltage analog power supply (8 V to 18 V).
19, 20
OUTN
O
Class-D 1/2-H-bridge negative output
Zero flag output
HIGH: No input present
39
ZERO
O
LOW: Data present at input
This can be used to shutdown the device when no data is present at input.
De-emphasis control.
41
DEMP
I
HIGH: 44.1 kHz De-emphasis ON
LOW: 44.1 kHz De-emphasis OFF
Soft mute control
42
MUTE
I
HIGH: Mute ON
LOW: Mute OFF
Audio data format select
43
FORMAT
I
HIGH: 16-bit right justified
LOW: 16- to 24-bit, I2S format
44
SCLK
I
System clock input
18, 27
PVCC
-
Power supply for H-bridge (8 V to 18 V)
25, 26
OUTP
O
Class-D 1/2-H-bridge positive output
29, 30
AGND
-
Analog ground
14, 21, 22, 23, 24
PGND
-
Power ground for H-bridge
10
VCOM
-
Midrail digital reference voltage
36
FLT2
I/O
Noise-filter terminals. Connect capacitor across pins 36 and 37
37
FLT1
I/O
Connect to AGND and PGND - should be the center point for both grounds.
Thermal Pad
Internal esistive connection to AGND.
7
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