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ST5088FN 数据表(PDF) 28 Page - STMicroelectronics

部件名 ST5088FN
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

ST5088FN 数据表(HTML) 28 Page - STMicroelectronics

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AMPLITUDE RESPONSE
Receive path
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
GRAE
Receive Gain Absolute Accuracy
Receive gain programmed for
maximum
Apply 0 dBm0 PCM code to DR
Measure VFr+
-0.3
0.3
dB
GRAL
Receive Gain Absolute Accuracy
Receive gain programmed for
maximum
Apply 0 dBm0 PCM code to DR
Measure LS+
-0.6
0.6
dB
GRAGE
Receive Gain Variation with
programmed gain
Measure Earpiece Gain over
the range from Maximum to
minimum setting.
Calculate the deviation from
the programmed gain relative
to GRAE,
i.e. GRAGE =G actual -G prog. -GRAE
-0.5
0.5
dB
GRAGL
Receive Gain Variation with
programmed gain
Measure Loudspeaker Gain
over the range from Maximum
to minimum setting.
Calculate the deviation from
the programmed gain relative
to GRAL,
i.e. GRAGL =G actual -G prog. -GRAL
-1.0
1.0
dB
GRAT
Receive Gain Variation with
temperature
Measured relative to GRA. (LS
and VFr)
GR = Maximum Gain
-0.1
0.1
dB
GRAV
Receive Gain Variation with
Supply
Measured relative to GRA. (LS
and VFr)
GR = Maximum Gain
-0.1
0.1
dB
GRAF
Receive Gain Variation with
frequency
(Earpiece or Loudspeaker)
Relative to 1015,625 Hz,
multitone test technique used.
min. gain < GR < Max. gain
f = 200 Hz
f = 300 Hz to 3000 Hz
f = 3400 Hz
f = 4000 Hz
-0.3
-0.3
-0.8
0.3
0.3
0.0
-14
dB
dB
dB
dB
GRAL E
Receive Gain Variation with
signal level (Earpiece)
Sinusoidal Test Method
Reference Level = –10 dBm0
DR = 0 dBm0 to +3 dBm0
DR = -40 dBm0 to 0 dBm0
DR = -50 dBm0 to -40 dBm0
DR = -55 dBm0 to -50 dBm0
-0.25
-0.25
-0.5
-1.5
0.25
0.25
0.5
1.5
dB
dB
dB
dB
GRAL L
Receive Gain Variation with
signal level (Loudspeaker)
Sinusoidal Test Method
Reference Level = –10 dBm0
DR = 0 dBm0 to +3 dBm0
DR = -40 dBm0 to 0 dBm0
DR = -50 dBm0 to -40 dBm0
DR = -55 dBm0 to -50 dBm0
-0.25
-0.25
-0,5
-1.5
0.25
0.25
0.5
1.5
dB
dB
dB
dB
ST5088
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