参数资料
型号: ADAU1361BCPZ-R7
厂商: Analog Devices Inc
文件页数: 71/80页
文件大小: 0K
描述: IC CODEC 24B PLL 32LFCSP
标准包装: 1,500
类型: 音频编解码器
数据接口: 串行
分辨率(位): 24 b
ADC / DAC 数量: 2 / 2
三角积分调变:
电压 - 电源,模拟: 1.8 V ~ 3.6 V
电压 - 电源,数字: 1.8 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-VQ
包装: 带卷 (TR)
ADAU1361
Rev. C | Page 73 of 80
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 69. 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, 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, 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 70. 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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