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參數資料
| 型號： | PCM1807PW |
| 英文描述： | Single-Ended, Analog-Input 24-Bit, 96-kHz Stereo A/D Converter |
| 中文描述： | 單端模擬輸入24位，96千赫立體聲A / D轉換器 |
| 文件頁數： | 21/29頁 |
| 文件大小： | 426K |
| 代理商： | PCM1807PW |
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SYSTEM RESET
T0084-01
48/f
in
or 48/f
S
Fade-In Start
Fade-In Complete
DOUT
DOUT
(Contents)
Reset: t
(RST)
Reset Release: t
(REL)
Zero Data
SCKI
SRST
Internal
Reset
Normal Data
Normal Data
Normal Data
BPZ
PCM1807
SLES147–SEPTEMBER 2005
The SRST bit controls the entire ADC operation except fade-out. DOUT is forced to zero immediately and the
PCM1807 goes into power-down state. Also, all registers except the mode control register are reset once. The
PCM1807 minimizes power dissipation during the power-down state. When the PCM1807 powers up, the digital
output is valid after the reset state is released and the time of 1024 SCKI + 8960/f
has elapsed. Because the
fade-in operation is performed, it takes additional time of 48/f
in
or 48/f
S
until the level corresponding to the analog
input signal is obtained.
Figure 27
illustrates DOUT behavior during the power-down and power-up sequences by
SRST.
SYMBOL
t
(RST)
t
(REL)
PARAMETER
MIN
MAX
UNIT
μ
s
μ
s
Delay time from SCKI resume to reset release
Delay time from reset release to DOUT output
1024 SCKI
8960/f
S
Figure 27. Power-Up/Power-Down Sequence by SRST
Table 8. System Reset Control
SRST
0
1
SYSTEM RESET
System reset
Normal operation (default)
21
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PCM1807PW | 制造商:Texas Instruments 功能描述:IC ADC STER 24BIT 96KHZ 14-TSSOP 制造商:Texas Instruments 功能描述:IC, ADC STER 24BIT 96KHZ 14-TSSOP 制造商:Texas Instruments 功能描述:IC, ADC STER 24BIT 96KHZ 14-TSSOP; Resolution (Bits):24bit; Sampling Rate:96kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Supply Current:10.2mA; Digital IC Case Style:TSSOP; No. of Pins:14; Input;RoHS Compliant: Yes |
| PCM1807PWG4 | 功能描述:音頻模/數轉換器 IC 24-bit 96kHz Stereo Audio DAC RoHS:否 制造商:Wolfson Microelectronics 轉換速率: 分辨率: ADC 輸入端數量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風格: 封裝 / 箱體: 封裝: |
| PCM1807PWR | 功能描述:音頻模/數轉換器 IC 24-bit 96kHz Stereo Audio DAC RoHS:否 制造商:Wolfson Microelectronics 轉換速率: 分辨率: ADC 輸入端數量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風格: 封裝 / 箱體: 封裝: |
| PCM1807PWRG4 | 功能描述:音頻模/數轉換器 IC 24-bit 96kHz Stereo Audio DAC RoHS:否 制造商:Wolfson Microelectronics 轉換速率: 分辨率: ADC 輸入端數量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風格: 封裝 / 箱體: 封裝: |
| PCM1808PW | 功能描述:音頻模/數轉換器 IC Sgl-ended Ana Input 24B 96kHz Stereo ADC RoHS:否 制造商:Wolfson Microelectronics 轉換速率: 分辨率: ADC 輸入端數量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風格: 封裝 / 箱體: 封裝: |
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