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參數資料
| 型號： | TPA2026D2YZHR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | AUDIO AMPLIFIER, PBGA16 |
| 封裝： | 2.20 X 2.20 MM, GREEN, DSBGA-16 |
| 文件頁數： | 22/39頁 |
| 文件大小： | 823K |
| 代理商： | TPA2026D2YZHR |
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SLOS649A – MARCH 2010 – REVISED JANUARY 2011
AGC FIXED GAIN CONTROL (Address: 5)
REGISTER
LABEL
DEFAULT
DESCRIPTION
I2C BIT
ADDRESS
05 (05H) –
7:6
Unused
00
AGC Fixed
5:0
Fixed Gain
000110 (6 dB)
Sets the fixed gain of the amplifier: two's complement
Gain Control
Gain
100100
–28 dB
100101
–27 dB
100110
–26 dB
(gain increases by 1 dB with every step)
111101
–3 dB
111110
–2 dB
111111
–1 dB
000000
0 dB
000001
1 dB
000010
2 dB
000011
3 dB
(gain increases by 1dB with every step)
011100
28 dB
011101
29 dB
011110
30 dB
Fixed Gain
These bits are used to select the fixed gain of the amplifier. If compression is enabled, fixed
gain is adjustable from –28dB to 30dB. If compression is disabled, fixed gain is adjustable from
0dB to 30dB.
AGC CONTROL (Address: 6)
REGISTER
LABEL
DEFAULT
DESCRIPTION
I2C BIT
ADDRESS
06 (06H) –
7
Output Limiter
0 (enable)
Disables the output limiter function. Can only be disabled when the AGC compression
AGC Control
Disable
ratio is 1:1 (off)
6:5
NoiseGate
01 (4 mVrms)
Select the threshold of the noise gate
Threshold
00
1 mVrms
01
4 mVrms
10
10 mVrms
11
20 mVrms
4:0
Output Limiter
11010 (6.5 dBV)
Selects the output limiter level
Level
Output Power (Wrms)
Peak Output Voltage
dBV
(Vp)
00000
0.03
0.67
–6.5
00001
0.03
0.71
–6
00010
0.04
0.75
–5.5
(Limiter level increases by 0.5dB with every step)
11101
0.79
3.55
8
11110
0.88
3.76
8.5
11111
0.99
3.99
9
Output Limiter
This bit disables the output limiter function when set to 1. Can only be disabled when
Disable
the AGC compression ratio is 1:1
NoiseGate Threshold
These bits set the threshold level of the noise gate. NoiseGate Threshold is only
functional when the compression ratio is not 1:1
Output Limiter Level
These bits select the output limiter level. Output Power numbers are for 8
load.
Copyright 2010–2011, Texas Instruments Incorporated
29
Product Folder Link(s): TPA2026D2
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| TPA2026D2YZHT | 功能描述:音頻放大器 3.2W/Ch Stereo Smart Gain Class-D Aud 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 |
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| TPA2028D1_10 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-W Mono Class-D Audio Amplifier with Fast Gain Ramp SmartGaina?￠ AGC/DRC |
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| TPA2028D1YZFEVM | 制造商:Texas Instruments 功能描述:DEVELOPMENT TOOL |
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