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| 型號： | ADAU1761BCPZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 77/92頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SIGMADSP CODEC PLL 32LFCSP |
| 設(shè)計資源： | Stereo Digital Microphone Input Using ADAU1761 and ADMP421 (CN0078) |
| 標(biāo)準(zhǔn)包裝： | 5,000 |
| 系列： | SigmaDSP® |
| 類型： | 音頻編解碼器 |
| 數(shù)據(jù)接口： | 串行 |
| 分辨率（位）： | 24 b |
| ADC / DAC 數(shù)量： | 2 / 2 |
| 三角積分調(diào)變： | 是 |
| 電壓 - 電源，模擬： | 1.8 V ~ 3.65 V |
| 電壓 - 電源，數(shù)字： | 1.63V ~ 3.65V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 32-LFCSP-VQ |
| 包裝： | 帶卷 (TR) |
| 配用： | EVAL-ADAU1761Z-ND - BOARD EVAL FOR ADAU1761 |
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ADAU1761
Rev. C | Page 79 of 92
R42: Jack Detect Pin Control, 16,433 (0x4031)
With IOVDD set to 3.3 V, the low and high drive strengths of the JACKDET/MICIN pin are approximately 2.0 mA and 4.0 mA, respectively.
With IOVDD set to 1.8 V, the low and high drive strengths are approximately 0.8 mA and 1.7 mA, respectively. The optional pull-up/
pull-down resistors are nominally 250 kΩ. When enabled, these pull-up/pull-down resistors set the input signals to a defined state when
the signal source becomes three-state.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
JDSTR
Reserved
JDP[1:0]
Reserved
Table 76. Jack Detect Pin Control Register
Bits
Bit Name
Description
5
JDSTR
JACKDET/MICIN pin drive strength.
0 = low (default).
1 = high.
[3:2]
JDP[1:0]
JACKDET/MICIN pad pull-up/pull-down configuration.
Setting
Configuration
00
Pull-up
01
Reserved
10
None (default)
11
Pull-down
R67: Dejitter Control, 16,438 (0x4036)
The dejitter control register allows the size of the dejitter window to be set, and also allows all dejitter circuits in the device to be activated or
bypassed. Dejitter circuits protect against duplicate samples or skipped samples due to jitter from the serial ports in slave mode. Disabling
and reenabling certain subsystems in the device—that is, the ADCs, serial ports, SigmaDSP core, and DACs—during operation can cause
the associated dejitter circuits to fail. As a result, audio data fails to be output to the next subsystem in the device.
When the serial ports are in master mode, the dejitter circuit can be bypassed by setting the dejitter window to 0. When the serial ports
are in slave mode, the dejitter circuit can be reinitialized prior to outputting audio from the device, guaranteeing that audio is output to
the next subsystem in the device. Any time that audio must pass through the ADCs, serial port, sound engine/DSP core, or DACs, the
dejitter circuit can be bypassed and reset by setting the dejitter window size to 0. In this way, the dejitter circuit can be immediately
reactivated, without a wait period, by setting the dejitter window size to the default value of 3.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
DEJIT[7:0]
Table 77. Dejitter Control Register
Bits
Bit Name
Description
[7:0]
DEJIT[7:0]
Dejitter window size.
Window Size
Core Clock Cycles
00000000
0
…
00000011
3 (default)
…
00000101
5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADAU1772BCPZ | 功能描述:接口—CODEC Low Latency Noise and Power CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| ADAU1772BCPZ-R7 | 功能描述:接口—CODEC Low Latency Noise and Power CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| ADAU1772BCPZ-RL | 功能描述:接口—CODEC Low Latency Noise and Power CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| ADAU1777BCBZRL | 功能描述:LOW LATENCY NOISE AND POWER CODE 制造商:analog devices inc. 系列:- 包裝:帶卷（TR） 零件狀態(tài):在售 類型:音頻 數(shù)據(jù)接口:I2C，SPI? 分辨率（位）:24 b ADC/DAC 數(shù):4 / 2 三角積分:無 信噪比，ADC/DAC（db）（典型值）:102 / 108 動態(tài)范圍，ADC/DAC（db）（典型值）:- 電壓 - 電源，模擬:1.71 V ~ 3.63 V 電壓 - 電源，數(shù)字:1.045 V ~ 1.98 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:36-WFBGA，WLCSP 供應(yīng)商器件封裝:36-WLCSP（3.77x3.20） 標(biāo)準(zhǔn)包裝:5,000 |
| ADAU1781 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Noise Stereo Codec with SigmaDSP Processing Core |
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