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參數資料
| 型號： | PCM1772 |
| 元件分類： | DAC |
| 英文描述： | LOW VOLTAGE AND LOW POWER STEREO AUDIO DIGITAL TO ANALOG CONVERTER WITH LINEOUT AMPIIFIER |
| 中文描述： | 低電壓和低功耗立體聲音頻數模轉換器與線路輸出AMPIIFIER |
| 文件頁數： | 6/29頁 |
| 文件大小： | 309K |
| 代理商： | PCM1772 |
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SLES010D – SEPTEMBER 2001 – REVISED MAY 2004
www.ti.com
6
Terminal Functions
PCM1773PW
TERMINAL
NAME
AGND1
AGND2
AIN
AMIX
BCK
DATA
DEMP
FMT
LRCK
I/O
DESCRIPTIONS
NO.
5
6
10
14
3
2
13
15
1
—
—
—
I
I
I
I
I
I
Analog ground. This is a return for VCC1.
Analog ground. This is a return for VCC2.
Monaural analog signal mixer input. The signal can be mixed with the output of L- and R-channel DACs.
Analog mixing control
Serial bit clock. Clocks the individual bits of the audio data input, DATA.
Serial audio data input
De-emphasis control
Data format select
Left and right clock. Determines which channel is being input on the audio data input, DATA. The frequency of LRCK
must be the same as the audio sampling rate.
PD
4
I
Reset input. When low, the PCM1773 device is powered down, and all mode control registers are reset to default
settings.
SCKI
VCC1
VCC2
VCOM
16
12
11
7
I
System clock input
Power supply for all analog circuits except the lineout amplifier
Analog power supply for the lineout amplifier circuits. The voltage level must be the same as VCC1.
Decoupling capacitor connection. An external 10-
μ
F capacitor connected from this terminal to analog ground is
required for noise filtering. Voltage level of this terminal is 0.5 VCC2 nominal.
L-channel analog signal output of the lineout amplifiers
R-channel analog signal output of the lineout amplifiers
—
—
—
VOUTL
VOUTR
9
8
O
O
PCM1773RGA
TERMINAL
NAME
AGND1
AGND2
AIN
AMIX
BCK
DATA
DEMP
FMT
LRCK
I/O
DESCRIPTIONS
NO.
4
5
10
14
2
1
13
15
20
—
—
—
I
I
I
I
I
I
Analog ground. This is a return for VCC1.
Analog ground. This is a return for VCC2.
Monaural analog signal mixer input. The signal can be mixed with output of L- and R-channel DACs.
Analog mixing control
Serial bit clock. Clocks the individual bits of the audio data input, DATA.
Serial audio data input
De-emphasis control
Data format select
Left and right clock. Determines which channel is being input on the audio data input, DATA. The frequency of LRCK
must be the same as the audio sampling rate.
NC
8, 17,
18, 19
—
No connect
PD
3
I
Reset input. When low, the PCM1773 device is powered down, and all mode control registers are reset to default
settings.
SCKI
VCC1
VCC2
VCOM
16
12
11
6
I
System clock input
Power supply for all analog circuits except the lineout amplifier
Analog power supply for the lineout amplifier circuits. The voltage level must be the same as VCC1.
Decoupling capacitor connection. An external 10-
μ
F capacitor connected from this terminal to analog ground is
required for noise filtering. Voltage level of this terminal is 0.5 VCC2 nominal.
L-channel analog signal output of the lineout amplifiers
R-channel analog signal output of the lineout amplifiers
—
—
—
VOUTL
VOUTR
9
7
O
O
相關PDF資料 |
PDF描述 |
|---|---|
| PCM1772PW | LOW VOLTAGE AND LOW POWER STEREO AUDIO DIGITAL TO ANALOG CONVERTER WITH LINEOUT AMPIIFIER |
| PCM1772PWR | LOW VOLTAGE AND LOW POWER STEREO AUDIO DIGITAL TO ANALOG CONVERTER WITH LINEOUT AMPIIFIER |
| PCM1772RGA | LOW VOLTAGE AND LOW POWER STEREO AUDIO DIGITAL TO ANALOG CONVERTER WITH LINEOUT AMPIIFIER |
| PCM1772RGAR | LOW VOLTAGE AND LOW POWER STEREO AUDIO DIGITAL TO ANALOG CONVERTER WITH LINEOUT AMPIIFIER |
| PCM1773 | LOW VOLTAGE AND LOW POWER STEREO AUDIO DIGITAL TO ANALOG CONVERTER WITH LINEOUT AMPIIFIER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| PCM1772PW | 功能描述:音頻數/模轉換器 IC Lo-Vlt & Lo-Pwr Ster DAC w/Lineout Amp RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1772PWG4 | 功能描述:音頻數/模轉換器 IC Lo-Vlt & Lo-Pwr Ster DAC w/Lineout Amp RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1772PWR | 功能描述:音頻數/模轉換器 IC Lo-Vlt & Lo-Pwr Ster DAC w/Lineout Amp RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1772PWRG4 | 功能描述:音頻數/模轉換器 IC Lo-Vlt & Lo-Pwr Ster DAC w/Lineout Amp RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1772RGA | 功能描述:音頻數/模轉換器 IC Lo-Vlt & Lo-Pwr Ster DAC w/Lineout Amp RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
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