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參數(shù)資料
| 型號： | TPA2008D2PWPR |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 20/26頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO PWR 3W STER 24TSSOP |
| 標準包裝： | 1 |
| 類型： | D 類 |
| 輸出類型： | 2 通道（立體聲） |
| 在某負載時最大輸出功率 x 通道數(shù)量： | 3W x 2 @ 3 歐姆 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 特點： | 消除爆音，差分輸入，短路和熱保護，關機，音量控制 |
| 安裝類型： | 表面貼裝 |
| 供應商設備封裝： | 24-HTSSOP |
| 封裝/外殼： | 24-TSSOP（0.173"，4.40mm）裸露焊盤 |
| 包裝： | 標準包裝 |
| 配用： | 296-18922-ND - EVAL MODULE FOR TPA2008D2 |
| 其它名稱： | 296-17158-6 |
www.ti.com
TPA2008D2
SLOS413C – JULY 2003 – REVISED MAY 2004
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NO.
NAME
AGND
12
-
Analog ground
BYPASS
22
I
Tap to voltage divider for internal mid-supply bias generator used for internal analog reference.
COSC
10
I
A capacitor connected to this terminal sets the oscillation frequency in conjunction with ROSC. For
proper operation, connect a 220-pF capacitor from COSC to ground.
LINN
1
I
Negative differential audio input for left channel
LINP
2
I
Positive differential audio input for left channel
LOUTN
8
O
Negative audio output for left channel
LOUTP
5
O
Positive audio output for left channel
NC
15
I
No connection
PGNDL
6, 7
-
Power ground for left channel H-bridge
PGNDR
18, 19
-
Power ground for right channel H-bridge
PVDDL
4, 9
Power supply for left channel H-bridge
PVDDR
16, 21
Power supply for right channel H-bridge
RINN
24
I
Positive differential audio input for right channel
RINP
23
I
Negative differential audio input for right channel
ROSC
11
I
A resistor connected to the ROSC terminal sets the oscillation frequency in conjunction with COSC. For
proper operation, connect a 120-k
resistor from ROSC to ground.
ROUTN
17
O
Negative output for right channel
ROUTP
20
O
Positive output for right channel
SHUTDOWN
3
I
Places the amplifer in shutdown mode if a TTL logic low is placed on this terminal; normal operation if a
TTL logic high is placed on this terminal.
VDD
13
-
Analog power supply
VOLUME
14
I
DC volume control for setting the gain on the internal amplifiers. The dc voltage range is 0 to VDD.
Thermal Pad
-
Connect to analog ground and the power grounds must be soldered down in all applications to properly
secure device on the PCB.
3
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