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參數資料
| 型號： | TPA3121D2PWPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | AUDIO AMPLIFIER, PDSO24 |
| 封裝： | PLASTIC, HTSSOP-24 |
| 文件頁數： | 12/29頁 |
| 文件大小： | 860K |
| 代理商： | TPA3121D2PWPRG4 |
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1
2
3
4
5
6
7
8
9
10
11
12
PVCCL
SD
PVCCL
MUTE
LIN
RIN
BYPASS
AGND
PVCCR
VCLAMP
PVCCR
24
23
22
21
20
19
18
17
16
15
14
13
PGNDL
LOUT
BSL
AVCC
GAIN0
GAIN1
BSR
ROUT
PGNDR
SLOS537 – MAY 2008........................................................................................................................................................................................................ www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
PWP (TSSOP) PACKAGE
(TOP VIEW)
Table 1. TERMINAL FUNCTIONS
TERMINAL
I/O/P
DESCRIPTION
24-PIN
NAME
(PWP)
Shutdown signal for IC (low = disabled, high = operational). TTL logic levels with compliance to
SD
2
I
AVCC
RIN
6
I
Audio input for right channel
LIN
5
I
Audio input for left channel
GAIN0
18
I
Gain select least-significant bit. TTL logic levels with compliance to AVCC
GAIN1
17
I
Gain select most-significant bit. TTL logic levels with compliance to AVCC
Mute signal for quick disable/enable of outputs (high = outputs switch at 50% duty cycle, low =
MUTE
4
I
outputs enabled). TTL logic levels with compliance to AVCC
BSL
21
I/O
Bootstrap I/O for left channel
PVCCL
1, 3
P
Power supply for left-channel H-bridge, not internally connected to PVCCR or AVCC
LOUT
22
O
Class-D -H-bridge positive output for left channel
PGNDL
23, 24
P
Power ground for left-channel H-bridge
VCLAMP
11
P
Internally generated voltage supply for bootstrap capacitors
BSR
16
I/O
Bootstrap I/O for right channel
ROUT
15
O
Class-D -H-bridge negative output for right channel
PGNDR
13, 14
P
Power ground for right-channel H-bridge.
PVCCR
10, 12
P
Power supply for right-channel H-bridge, not connected to PVCCL or AVCC
AGND
9
P
Analog ground for digital/analog cells in core
AGND
8
P
Analog ground for analog cells in core
Reference for preamplifier inputs. Nominally equal to AVCC/8. Also controls start-up time via
BYPASS
7
O
external capacitor sizing.
AVCC
19, 20
P
High-voltage analog power supply. Not internally connected to PVCCR or PVCCL
Connect to ground. Thermal pad should be soldered down on all applications to secure the
Thermal pad
Die pad
P
device properly to the printed wiring board.
2
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPA3121D2
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA3122D2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:15-W STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA3122D2EVM | 功能描述:音頻 IC 開發工具 TPA3122D2EVM Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA3122D2N | 功能描述:音頻放大器 15W STEREO CLASS-D AUDIO POWER AMP RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA3123D2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:25-W STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA3123D2EVM | 功能描述:音頻 IC 開發工具 TPA3123D2EVM Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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