參數(shù)資料
型號: TPA3122D2N
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 12/21頁
文件大?。?/td> 507K
代理商: TPA3122D2N
www.ti.com
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
PVCCL
SD
MUTE
LIN
RIN
BYPASS
AGND
PVCCR
VCLAMP
PGNDL
LOUT
BSL
AVCC
GAIN0
GAIN1
BSR
ROUT
PGNDR
SLOS527A – DECEMBER 2007 – REVISED DECEMBER 2007
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.
N (DIP) PACKAGE
(TOP VIEW)
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
20-PIN
NAME
(DIP)
Shutdown signal for IC (low = disabled, high = operational). TTL logic levels with compliance to
SD
2
I
AVCC.
RIN
5
I
Audio input for right channel.
LIN
4
I
Audio input for left channel.
GAIN0
15
I
Gain select least significant bit. TTL logic levels with compliance to AVCC.
GAIN1
14
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
3
I
outputs enabled). TTL logic levels with compliance to AVCC.
BSL
18
I/O
Bootstrap I/O for left channel.
PVCCL
1
Power supply for left channel H-bridge, not internally connected to PVCCR or AVCC.
LOUT
19
O
Class-D
-H-bridge positive output for left channel.
PGNDL
20
Power ground for left channel H-bridge.
VCLAMP
9
Internally generated voltage supply for bootstrap capacitors.
BSR
13
I/O
Bootstrap I/O for right channel.
ROUT
12
O
Class-D
-H-bridge negative output for right channel.
PGNDR
11
Power ground for right channel H-bridge.
PVCCR
10
Power supply for right channel H-bridge, not connected to PVCCL or AVCC.
AGND
8
Analog ground for digital/analog cells in core.
AGND
7
Analog Ground for analog cells in core.
Reference for pre-amplifier inputs. Nominally equal to AVCC/8. Also controls start-up time via
BYPASS
6
O
external capacitor sizing.
AVCC
16, 17
High-voltage analog power supply. Not internally connected to PVCCR or PVCCL
2
Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s) :TPA3122D2
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TPA3123D2PWPG4 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24
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相關代理商/技術參數(shù)
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TPA3123D2PWPG4 功能描述:音頻放大器 25W Stereo Class D Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)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
TPA3123D2PWPR 功能描述:音頻放大器 25W St Class-D Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)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