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ST5088FN 데이터시트(PDF) 27 Page - STMicroelectronics

부품명 ST5088FN
상세설명  PROGRAMMABLE AUDIO FRONT END FOR DIGITAL PHONES AND ISDN TERMINALS
PDF  33 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST5088FN 데이터시트(HTML) 27 Page - STMicroelectronics

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TRANSMISSION CHARACTERISTICS (continued)
AMPLITUDE RESPONSE (Maximum, Nominal, and Minimum Levels)
Receive path - Absolute levels at VFR (Differentially measured)
Parameter
Test Condition
Min.
Typ.
Max.
Unit
0 dBM0 level
Receive Amp programmed for
0dB gain
824.5
mVRMS
0 dBM0 level
Receive Amp programmed for
- 15dB attenuation
146.6
mVRMS
AMPLITUDE RESPONSE (Maximum, Nominal, and Minimum Levels)
Receive path - Absolute levels at LS (Differentially measured)
Parameter
Test Condition
Min.
Typ.
Max.
Unit
0 dBM0 level
Receive Amp programmed for
0dB gain
1.384
VRMS
0 dBM0 level
Receive Amp programmed for
- 30dB gain
43.7
mVRMS
AMPLITUDE RESPONSE
Transmit path
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
GXA
Transmit Gain Absolute
Accuracy
Transmit Gain Programmed for
maximum.
Measure deviation of Digital
PCM Code from ideal 0dBm0
PCM code at DX
-0.30
0.30
dB
GXAG
Transmit Gain Variation with
programmed gain
Measure Transmit Gain over
the range from Maximum to
minimum setting.
Calculate the deviation from
the programmed gain relative
to GXA,
i.e. GAXG =G actual -G prog. -GXA
-0.5
0.5
dB
GXAT
Transmit Gain Variation with
temperature
Measured relative to GXA.
min. gain < GX < Max. gain
-0.1
0.1
dB
GXAV
Transmit Gain Variation with
supply
Measured relative to GXA
GX = Maximum gain
-0.1
0.1
dB
GXAF
Transmit Gain Variation with
frequency
Relative to 1015,625 Hz,
multitone test technique used.
min. gain < GX < Max. gain
f = 60 Hz
f = 200 Hz
f = 300 Hz to 3000 Hz
f = 3400 Hz
f = 4000 Hz
f = 4600 Hz to 5000 Hz
f = 5000 Hz and up
-1.5
-0.3
-0.8
-26
-0.1
0.3
0.0
-14
-32
-40
dB
dB
dB
dB
dB
dB
dB
GXAL
Transmit Gain Variation with
signal level
Sinusoidal Test method.
Reference Level = -10 dBm0
VMIC = -40 dBm0 to +3 dBm0
VMIC = -50 dBm0 to -40 dBm0
VMIC = -55 dBm0 to -50 dBm0
-0.25
-0.5
-1.5
0.25
0.5
1.5
dB
dB
dB
ST5088
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