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ST5088 数据表(PDF) 29 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) 29 Page - STMicroelectronics

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ENVELOPE DELAY DISTORTION WITH FREQUENCY
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
DXA
Tx Delay, Absolute
f = 1000 Hz
320
340
µs
DXR
Tx Delay, Relative
f = 500 - 600 Hz
f = 600 - 800 Hz
f = 800 - 1000 Hz
f = 1000 - 1600 Hz
f = 1600 - 2600 Hz
f = 2600 - 2800 Hz
f = 2800 - 3000 Hz
225
125
50
20
55
80
130
245
145
70
40
75
100
150
µs
µs
µs
µs
µs
µs
µs
DRA
Rx Delay, Absolute
f = 1000 Hz
252
270
µs
DRR
Rx Delay, Relative
f = 500 - 1000 Hz
f = 1000 - 1600 Hz
f = 1600 - 2600 Hz
f = 2600 - 2800 Hz
f = 2800 - 3000 Hz
10
30
105
135
185
30
50
125
155
205
µs
µs
µs
µs
µs
NOISE
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
NXC
Tx Noise, C weighted
VMIC = 0V Max. Gain
16
dBrnC0
NXP
Tx Noise, P weighted
VMIC = 0V Max. Gain
-70
dBm0p
NREC
Rx Noise, C weighted
(Earpiece)
Receive PCM code = Alternating
Positive and Negative code
Max. Gain
18
dBrnC0
NREP
Rx Noise, P weighted
(Earpiece)
Receive PCM code = Positive Zero
Max. Gain
-70
dBm0p
NRLC
Rx Noise, C weighted
(Loudspeaker)
Receive PCM code = Alternating
Positive and Negative code
Max. Gain
21
dBrnC0
NRLP
Rx Noise, P weighted
(Loudspeaker)
Receive PCM code = Positive Zero
Max. Gain
-67
dBm0p
NRS
Noise, Single Frequency
VMIC = 0V, Loop-around
measurament from f = 0 Hz to
100 kHz
-50
dBm0
NTRO
Recorder Noise, Pweighted
VMIC =0V
Receive PCM code = Positive Zero
-60
dBmp
PPSRx
Positive PSRR, Tx
VMIC = 0V,
VCC = 5.0 VDC + 100 mVrms;
f = 0Hz to 50KHz
30
dB
PPSRp
Positive PSRR, Rx
PCM Code equals Positive Zero,
VCC = 5.0 VDC + 100 mVrms,
measure VFr+
f = 0 Hz - 4 kHz
f = 4 kHz - 50 kHz
30
30
30
dB
dB
dB
SOS
Spurious Out-Band signal at
the output
DR input set to 0 dBm0 PCM
code
300 - 3400 Hz Input PCM Code
applied at DR
4600 Hz - 5600 Hz
5600 Hz - 7600 Hz
7600 Hz - 8400 Hz
8400 Hz - 100 kHz
-40
-50
-50
-50
dB
dB
dB
dB
ST5088
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