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參數資料
| 型號： | TPA2050D4YZKR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.94 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA25 |
| 封裝： | 2.61 X 2.61 MM, GREEN, DSBGA-25 |
| 文件頁數： | 14/29頁 |
| 文件大小： | 931K |
| 代理商： | TPA2050D4YZKR |
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INPUT VOLUME CONTROL
AUDIO TAPER GAIN VALUES
www.ti.com....................................................................................................................................................................................................... SLOS544 – JULY 2008
The TPA2050D4 has two independent volume controls: One for the STEREO1 input pair (LIN_1 and RIN_1), and
one for the STEREO2 input pair (LIN_2 and RIN_2). Each has 5-bit (32-step) resolution and are audio tapered;
gain step changes are smaller at higher gain settings. The volume control range is –60 dB to +12 dB.
The Stereo Input 1 volume control byte is located at Register 5, Bits 4–0. The Stereo Input 2 volume control byte
is at Register 6, Bits 4–0. Gain matching between the left and right channels for STEREO1 and STEREO2 is
within 0.1 dB. In differential input mode, the Stereo Input 1 byte (Register 5) controls left and right channel gain.
The input impedance to the TPA2050D4 decreases as channel gain increases. See the Operating
Characteristics section for specifications. Values listed in Audio Taper Gain Values table are nominal values.
For input channel volume controls
VOLUME CONTROL
NOMINAL GAIN
REGISTER BYTE: VOL[4:0]
00000
–60 dB
10000
–3.0 dB
00001
–48 dB
10001
–2.0 dB
00010
–43 dB
10010
–1.0 dB
00011
–38 dB
10011
+0 dB
00100
–33 dB
10100
+1.0 dB
00101
–29 dB
10101
+2.0 dB
00110
–25 dB
10110
+3.0 dB
00111
–21 dB
10111
+4.0 dB
01000
–17 dB
11000
+5.0 dB
01001
–15 dB
11001
+6.0 dB
01010
–13 dB
11010
+7.0 dB
01011
–11 dB
11011
+8.0 dB
01100
–9.0 dB
11100
+9.0 dB
01101
–7.5 dB
11101
+10 dB
01110
–6.0 dB
11110
+11.0 dB
01111
–4.5 dB
11111
+12.0 dB
Copyright 2008, Texas Instruments Incorporated
21
Product Folder Link(s): TPA2050D4
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA2050D4YZKR | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC |
| TPA2050D4YZKT | 功能描述:音頻放大器 1.4 W/CH Stereo Class-D Audio Subsys 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 |
| TPA2051D3 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.9 W/Channel Mono Class-D Audio Subsystem with DirectPath? Headphone Amplifier & SpeakerGuard? |
| TPA2051D3AYFFR | 制造商:TI 功能描述:Audio Subsystem |
| TPA2051D3YFFEVM | 功能描述:音頻 IC 開發工具 TPA2051D3YFF 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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