IDT821024J Просмотр технического описания (PDF) - Integrated Device Technology
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IDT821024J Datasheet PDF : 13 Pages
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IDT821024 QUAD NON-PROGRAMMABLE PCM CODEC
Distortion
Parameter
Description
Min
STDX
Transmit Signal to Total Distortion Ratio
A-law :
Input level = 0 dBm0
36
Input level = -30 dBm0
36
Input level = -40 dBm0
30
Input level = -45 dBm0
24
µ-law :
Input level = 0 dBm0
36
Input level = -30 dBm0
36
Input level = -40 dBm0
31
Input level = -45 dBm0
27
STDR
Receive Signal to Total Distortion Ratio
A-law :
Input level = 0 dBm0
36
Input level = -30 dBm0
36
Input level = -40 dBm0
30
Input level = -45 dBm0
24
µ-law :
Input level = 0 dBm0
36
Input level = -30 dBm0
36
Input level = -40 dBm0
31
Input level = -45 dBm0
27
SFDX
Single Frequency Distortion, Transmit
SFDR
Single Frequency Distortion, Receive
IMD
Intermodulation Distortion
INDUSTRIAL TEMPERATURE RANGE
Typ Max Units
Test Conditions
ITU-T O.132
Sine Wave Method,Psophometric Weighted for A-
dB law, C Message Weighted for µ-law.
dB
dB
dB
dB
dB
dB
dB
ITU-T O.132
dB Sine Wave Method,Psophometric Weighted for A-
dB law;Sine Wave Method,C Message Weighted for µ-
dB law;
dB
dB
dB
dB
dB
-42 dBm0 200 Hz - 3400 Hz, 0 dBm0 input, output any other
single frequency ≤ 3400 Hz
-42 dBm0 200 Hz - 3400 Hz, 0 dBm0 input, output any other
single frequency ≤ 3400 Hz
-42 dBm0 Transmit or receive,two frequencies in the range
(300 Hz− 3400 Hz) at −6 dBm0
Noise
Parameter
NXC
NXP
NRC
NRP
NRS
PSRX
PSRR
SOS
Description
Transmit Noise, C Message Weighted for µ-law
Transmit Noise, Psophometric Weighted for A-law
Receive Noise, C Message Weighted for µ-law
Receive Noise, Psophometric Weighted for A-law
Noise, Single Frequency
f = 0 kHz – 100 kHz
Power Supply Rejection Transmit
f = 300 Hz – 3.4 kHz
f = 3.4 kHz – 20 kHz
Power Supply Rejection Receive
f = 300 Hz – 3.4 kHz
f = 3.4 kHz – 20 kHz
Spurious Out-of-Band Signals at VOUT Relative to
Input PCM code applied:
4600 Hz – 20 kHz
20 kHz – 50 kHz
Min Typ Max Units
Test Conditions
16 dBrnC0
-68 dBm0p
12 dBrnC0
-78 dBm0p
-53 dBm0 IIN = 0 A, tested at VOUT
VDD = 5.0 VDC + 100 mVrms
40
dB
25
dB
PCM code is positive one LSB, VDD = 5.0 VDC +
40
dB
100 mVrms
25
dB
0 dBm0, 300 Hz – 3400 Hz input
-40
dB
-30
dB
9
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