参数资料
型号: MAX9888EVKIT+
厂商: Maxim Integrated Products
文件页数: 4/115页
文件大小: 0K
描述: KIT EVALUATION FOR MAX9888
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: DirectDrive®, FLEXSOUND™
相关产品: MAX9888EWY+T-ND - IC CODEC AUDIO FLEXSOUND 63WLP
Stereo Audio CODEC
with FlexSound Technology
MAX9888
101
Jack Removal
The IC detects jack removal by monitoring JACKSNS
for transitions to the 11 state. Set JDETEN to enable
jack detection circuitry. A pullup current is automatically
applied to JACKSNS if MICBIAS is disabled. Set JDWK
to minimize supply current if button detection is not
required. Table 34 shows the change in JKSNS that
occurs when a jack is removed.
Table 34. Change in JKSNS Upon Jack Removal
Table 35. Jack Detection Registers
JACK TYPE
JDWK = 1 AND MICBIAS DISABLED
JDWK = 0 OR MICBIAS ENABLED
JKSNS: 00 è 11
JKSNS: 01 è 11
REGISTER
BIT
NAME
DESCRIPTION
0x02
(Read Only)
7
JKSNS
JACKSNS State
Reports the status of JACKSNS when JDETEN = 1.
VALUE
MODE
DESCRIPTION
00
MBEN = 1
VJACKSNS < 0.1 x VMICBIAS
MBEN = 0
VJACKSNS < 0.1 x VSPKLVDD
01
MBEN = 1
0.1 x VMICBIAS < VJACKSNS < 0.95 x VMICBIAS
6
MBEN = 0
0.1 x VSPKLVDD < VJACKSNS < 0.95 x VSPKLVDD
10
MBEN = 1
Reserved
MBEN = 0
Reserved
11
MBEN = 1
0.95 x VMICBIAS < VJACKSNS
MBEN = 0
0.95 x VSPKLVDD < VJACKSNS
0x49
7
JDETEN
Jack Detection Enable
0 = Disabled
1 = Enabled
1
JDEB
Jack Detection Debounce
Configures the debounce time for setting JDET.
00 = 25ms
01 = 50ms
10 = 100ms
11 = 200ms
0
0x4C
7
SHDN
See the Power Management section.
6
VBATEN
See the Battery Measurement section.
1
JDWK
JACKSNS Pullup
When JDWK = 1 JACKSNS is slow to increase in voltage. Set JDWK = 0 before setting
JDETEN = 1 to prevent false detection.
Valid when MBIAS = 0 or SHDN = 0.
0 = 2.4kI to SPKLVDD (allows microphone detection)
1 = 5FA to SPKLVDD (minimizes supply current)
GND
R
L
MIC
GND
R
L
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MAX9888EVKIT+ 功能描述:音频 IC 开发工具 MAX9888 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
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MAX9889EWO+T 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel
MAX988ESA 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压(最大值):6 mV 电源电流(最大值):1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel
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