參數(shù)資料
型號(hào): MAX9888EWY+T
廠商: Maxim Integrated Products
文件頁數(shù): 4/115頁
文件大?。?/td> 0K
描述: IC CODEC AUDIO FLEXSOUND 63WLP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
系列: DirectDrive®, FLEXSOUND™
類型: D 類
輸出類型: 3 通道,帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 1.37W x 2 @ 8 歐姆; 40mW x 2 @ 16 歐姆
電源電壓: 2.8 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,I²S,麥克風(fēng),靜音,關(guān)機(jī)
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 63-WLP
封裝/外殼: 63-WFBGA,WLCSP
包裝: 帶卷 (TR)
配用: MAX9888EVKIT+-ND - KIT EVALUATION FOR MAX9888
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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