參數(shù)資料
型號： PCD6003
廠商： NXP Semiconductors N.V.
英文描述： Digital telephone answering machine chip
中文描述： 數(shù)字電話應(yīng)答機芯片
文件頁數(shù)： 63/96頁
文件大小： 385K
代理商： PCD6003
2001 Apr 17
63
Philips Semiconductors
Product specification
Digital telephone answering machine chip
PCD6003
The analog and digital parts of both CODECs can be
independently activated by the SYMOD register; see
Section 9.2.2. Bit 4 of SYMOD is used to activate the
microphone supply voltage, if the bit is logic 0 the supply is
off.
Thebalancedmicrophoneinputhasaminimumdifferential
input resistance of R
MICDM
, and the balanced line interface
input has a minimum differential input resistance of
R
LIFINDM
.
The output resistance of the balanced CODEC outputs is
R
LIFOUT
for CODEC1 and R
SPKR
for CODEC2 at a
differential output level of 1350 mV (RMS). For exact
measurement conditions and specified values see
Section 17.5.
handbook, full pagewidth
MGT442
DTCON.4
CDVC1
ARS1
ATD1
DDF1
DNS1
DT1
DR1
LIFMOUT
LIFPOUT
line interface
output
line interface
input
loudspeaker
output
microphone
input
receive path
LIFMIN1
LIFMIN2
LIFPIN
CDVC2
ARS2
AMP
ATD2
DDF2
DNS2
DT2
DR2
transmit path
MICP
MICM
SPKRP
SPKRM
CODEC1
CODEC2
DSP
Fig.29 Block diagram of CODECs.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCD6003H 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital telephone answering machine chip
PCD6003U 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital telephone answering machine chip
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