參數(shù)資料
型號(hào): MAX98089ETN+
廠商: Maxim Integrated Products
文件頁數(shù): 20/131頁
文件大?。?/td> 0K
描述: IC CODEC AUDIO FLEXSOUND 56TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 43
系列: FlexSound™
類型: 立體聲音頻
數(shù)據(jù)接口: I²C,串行
分辨率(位): 24 b
ADC / DAC 數(shù)量: 2 / 2
三角積分調(diào)變:
S/N 比,標(biāo)準(zhǔn) ADC / DAC (db): 93 / 101
動(dòng)態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db): 93 / 101
電壓 - 電源,模擬: 1.65 V ~ 2 V
電壓 - 電源,數(shù)字: 1.65 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 56-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 56-TQFN-EP(7x7)
包裝: 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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