參數(shù)資料
型號: AK2307LV
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: SPEECH CODEC for Digital Key telephone (5.0V/3.3V)
中文描述: 語音編解碼器的數(shù)字按鍵電話(5.0V/3.3V)
文件頁數(shù): 4/39頁
文件大?。?/td> 468K
代理商: AK2307LV
ASAHI KASEI [AK2307/LV]
PIN CONDITIONS
Pin types;
NIN: Normal Input
NOUT: Normal Output
TOUT: Tri-state output
AOUT:
Analog output
PWR:
Power supply
AIN: Analog Input
Table 1
MS0190-E-05
2005/12
4
Name
Type
Pin function
Max
Cap load
1000pF 150ohm
1000pF 150ohm
20pF
50pF
MIn
Res load
comment
HANDT2
HANDT3
HANDT1 AOUT OPamp output for Handset microphone
HANDT4
AIN Analog input for A/D converter
HANDR
AOUT Analog output for Handset receiver
MIC3
AIN 2
nd
Analog input for A/D converter
MIC2
AIN Analog input for External microphone
MIC1
AOUT Output of External microphone amplifier
DAOUT
AOUT Analog output of D/A converter
RAIN
AIN Analog input to RX voice path
HEADO
AOUT RX output for Headset receiver
SPO
AOUT RX output for External Speaker Driver
EXRIN
AIN External input for Speaker pre-driver
DATA
I/O Data input for internal register access
Serial data clock for internal register
access
CSN
NIN Chip select input
DR
NIN RX PCM data serial input
DX
TOUT TX PCM data serial output. Tri-state output
BCLK
NIN Bit clock input for DR, DX
FS
NIN 8KHz frame sync signal input for PCM I/F
DVSS
PWR Power supply for digital block:0V
DVDD
PWR Power supply for digital block: 3.3V
AVSS
PWR Power supply for Analog block:0V
AVDD
PWR Power supply for Analog block: 3.3V
AOUT Capacitance
AIN Analog input for Handset microphone
AIN Analog input for Handset microphone
10kohm
SCLK
NIN
50pF
PLLCAP
1.0uF external
capacitance
1.0uF external
capacitance
1.0uF external
capacitance
1.0uF external
capacitance
TAGND
AOUT TX side Analog ground output.
RAGND
AOUT RX side Analog ground output
VREF
AOUT Voltage reference output
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