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ST5088 数据表(PDF) 30 Page - STMicroelectronics

部件名 ST5088
功能描述  PROGRAMMABLE AUDIO FRONT END FOR DIGITAL PHONES AND ISDN TERMINALS
PDF  33 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST5088 数据表(HTML) 30 Page - STMicroelectronics

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DISTORTION
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
STDx
STDr
Signal to Total Distortion
Sinusoidal Test Methode
(measured using C message
weighting Filter)
Level = 0 dBm0 to - 30 dBm0
Level = - 40 dBm0
Level = - 45 dBm0
36
29
24
dBC
dBC
dBC
SDFx
Single Frequency Distortion
transmit
0 dBm0 input signal
-46
dB
SDFr
Single Frequency Distortion
receive
0 dBm0 input signal
-46
dB
IMD
Intermodulation
Loop-around measurament
Voltage at VMIC = -4 dBm0
to -21 dBm0, 2 Frequencies in
the range 300 - 3400 Hz
-41
dB
CROSSTALK
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
CTx-r
Transmit to Receive
Transmit Level = 0 dBm0,
f = 300 - 3400 Hz
DR = QuietPCM Code
-65
dB
CTr-x
Receive to Transmit
Receive Level = 0 dBm0,
f = 300 - 3400 Hz;
VMIC =0V
-65
dB
APPLICATION NOTE FOR MICROPHONE CONNECTIONS
The 4 connection modes (since the MIXED MODE is symmetrical with respect to MIC1 and MIC2) allow
one microphone at a time to be selected via the VS bit (bit 7 of Control Register CR4).
TAPE RECORDER
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
GTRO RX
Receive TRO Output
DR = 0dBm0
200
245
275
mVRMS
GTRO TX
Transmit TRO Output
DX = 0dBm0
200
246
275
mVRMS
ST5088
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