参数资料
型号: MAX9867ETJ+T
厂商: Maxim Integrated Products
文件页数: 39/55页
文件大小: 0K
描述: IC STEREO AUD CODEC LP 32TQFN-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 立体声音频
数据接口: I²C,串行
分辨率(位): 18 b
ADC / DAC 数量: 2 / 2
三角积分调变:
动态范围,标准 ADC / DAC (db): 85 / 90
电压 - 电源,模拟: 1.65 V ~ 1.95 V
电压 - 电源,数字: 1.65 V ~ 1.95 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 带卷 (TR)
MAX9867
Ultra-Low Power Stereo Audio Codec
44
______________________________________________________________________________________
Table 16. Mode Configuration Register
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
REGISTER
ADDRESS
Mode
DSLEW
VSEN
ZDEN
0
JDETEN
HPMODE
0x16
BITS
FUNCTION
DSLEW
Digital Volume Slew Speed
0 = Digital volume changes are slewed over 10ms.
1 = Digital volume changes are slewed over 80ms.
VSEN
Volume Change Smoothing
0 = Volume changes slew through all intermediate values.
1 = Volume changes occur in one step.
ZDEN
Line Input Zero-Crossing Detection
0 = Line input volume changes occur at zero crossings in the audio waveform or after 62ms if no zero
crossing occurs.
1 = Line-input volume changes occur immediately.
JDETEN
Jack Detection Enable
SHDN = 0: Sleep Mode
Enables pullups on LOUTP and JACKSNS/AUX to detect jack insertion. LSNS and JKSNS are valid.
LOUTP detection is only valid in differential and capacitorless output modes.
SHDN = 1: Normal Mode
Enables the comparator circuitry on JACKSNS/AUX to detect voltage changes. JKMIC is valid if the
microphone circuitry is enabled.
Note: AUXEN must be set to 0 for jack detection to function.
Headphone Amplifier Mode
HPMODE
Mode
000
Stereo differential (clickless)
001
Mono (left) differential (clickless)
010
Stereo capacitorless (clickless)
011
Mono (left) capacitorless (clickless)
100
Stereo single-ended (clickless)
101
Mono (left) single-ended (clickless)
110
Stereo single-ended (fast turn-on)
111
Mono (left) single-ended (fast turn-on)
HPMODE
Note: In mono operation, the right amplifier is disabled.
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