参数资料
型号: MAX98089ETN+
厂商: Maxim Integrated Products
文件页数: 20/131页
文件大小: 0K
描述: IC CODEC AUDIO FLEXSOUND 56TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 43
系列: FlexSound™
类型: 立体声音频
数据接口: I²C,串行
分辨率(位): 24 b
ADC / DAC 数量: 2 / 2
三角积分调变:
S/N 比,标准 ADC / DAC (db): 93 / 101
动态范围,标准 ADC / DAC (db): 93 / 101
电压 - 电源,模拟: 1.65 V ~ 2 V
电压 - 电源,数字: 1.65 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 56-WFQFN 裸露焊盘
供应商设备封装: 56-TQFN-EP(7x7)
包装: 管件
Low-Power, Stereo Audio Codec
with FlexSound Technology
Table 35. Battery Measurement Registers
Battery Measurement
The IC measures the voltage applied to SPKLVDD (typically the battery voltage) and reports the value in register 0x03.
This value is also used by the speaker limiter circuitry to set accurate thresholds. When the battery measurement func-
tion is disabled, the battery voltage is user programmable.
Table 34. Jack Detection Registers (continued)
REGISTER
BIT
NAME
DESCRIPTION
0x03
4
VBAT
Battery Voltage
Read VBAT when VBATEN = 1 to determine VSPKLVDD. Program VBAT when VBATEN
= 0 to allow proper speaker amplifier signal processing. Calculate/program the battery
voltage using the following formula:
VBATTERY = 2.55V + [VBAT/10]
3
2
1
0
0x51
7
SHDN
See the Power Management section.
6
VBATEN
Battery Measurement Enable. Enables an internal ADC to measure VSPKLVDD.
0 = Disabled (register 0x03 readable and writeable)
1 = Enabled (register 0x03 read only)
3
PERFMODE
See the Power Management section.
2
HPPLYBCK
See the Power Management section.
1
PWRSV8K
See the Power Management section.
0
PWRSV
See the Power Management section.
REGISTER
BIT
NAME
DESCRIPTION
0x4E
7
BGEN
See the Power Management section.
6
SPREGEN
See the Power Management section.
5
VCMEN
See the Power Management section.
4
BIASEN
See the Power Management section.
0
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.
0 = 2.4kI to SPKLVDD (allows microphone detection)
1 = 5FA to SPKLVDD (minimizes supply current)
Maxim Integrated
116
MAX98089
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