IDT821068PX IDT, Integrated Device Technology Inc, IDT821068PX Datasheet - Page 36

• Manufacturer Part Number: IDT821068PX
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: General Purposer

Specifications of IDT821068PX

• Number Of Adc's: 8
• Number Of Dac's: 8
• Interface Type: Serial
• Power Supply Type: Analog/Digital
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.25V
• Pin Count: 128
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Screening Level: Industrial
• Package Type: PQFP
• Mounting: Surface Mount
• Lead Free Status / Rohs Status: Not Compliant

Distortion
Noise
Interchannel Crosstalk
IDT821068 OCTAL PROGRAMMABLE PCM CODEC
Note: Crosstalk into the transmit channels (VIN) can be significantly affected by parasitic capacitive coupling from VOUT outputs. PCB layouts should be arranged to minimize these parasitics.
Parameter
Parameter
Parameter
PSR
PSR
XT
XT
XT
XT
SOS
STD
STD
SFD
SFD
N
N
N
N
N
IMD
XC
XP
RC
RP
RS
X-R
R-X
X-X
R-R
X
R
X
R
X
R
Transmit Noise, C Message Weighted for -law
Transmit Noise, Psophometric Weighted for A-law
Receive Noise, C Message Weighted for -law
Receive Noise, Psophometric Weighted for A-law
Noise, Single Frequency
Power Supply Rejection Transmit
Power Supply Rejection Receive
Spurious Out-of-Band Signals at VOUT Relative to
Transmit to Receive Crosstalk
Receive to Transmit Crosstalk
Transmit to Transmit Crosstalk
Receive to Receive Crosstalk
Transmit Signal to Total Distortion Ratio
A-law :
Input level = 0 dBm0
Input level = -30 dBm0
Input level = -40 dBm0
Input level = -45 dBm0
Input level = 0 dBm0
Input level = -30 dBm0
Input level = -40 dBm0
Input level = -45 dBm0
Receive Signal to Total Distortion Ratio
A-law :
Input level = 0 dBm0
Input level = -30 dBm0
Input level = -40 dBm0
Input level = -45 dBm0
Input level = 0 dBm0
Input level = -30 dBm0
Input level = -40 dBm0
Input level = -45 dBm0
Single Frequency Distortion, Transmit
Single Frequency Distortion, Receive
Intermodulation Distortion
Input PCM code applied:
-law :
-law :
f = 0 kHz – 100 kHz
f = 300 Hz – 3.4 kHz
f = 3.4 kHz – 20 kHz
f = 300 Hz – 3.4 kHz
f = 3.4 kHz – 20 kHz
4600 Hz – 20 kHz
20 kHz – 50 kHz
Description
Description
Description
Min
Typ
-85
-85
-85
-85
Min
36
36
30
24
36
36
31
27
36
36
30
24
36
36
31
27
Min
40
25
40
25
Max
-78
-80
-78
-80
Typ
36
Typ
Units
dB
dB
dB
dB
Max
-42
-42
-42
Max
-68
-78
-53
-40
-30
18
12
300 Hz – 3400 Hz, 0 dBm0 signal into VIN of interfering channel.
300 Hz – 3400 Hz, 0 dBm0 PCM code into interfering channel. VIN
300 Hz – 3400 Hz, 0 dBm0 signal into VIN of interfering channel.
300 Hz – 3400 Hz, 0 dBm0 PCM code into interfering channel. Idle
Idle PCM code into channel under test.
= 0 Vrms for channel under test.
VIN = 0 Vrms for channel under test.
PCM code into channel under test.
Units
dBm0
dBm0
dBm0
dBrnC0
dBrnC0
dBm0p
dBm0p
Units
dBm0
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ITU-T O.132
Sine Wave Method,Psophometric Weighted for A-
law, C Message Weighted for -law.
ITU-T O.132
Sine Wave Method,Psophometric Weighted for A-
law;Sine Wave Method,C Message Weighted for -
law;
200 Hz - 3400 Hz, 0 dBm0 input, output any other
single frequency 3400 Hz
200 Hz - 3400 Hz, 0 dBm0 input, output any other
single frequency 3400 Hz
Transmit or receive,two frequencies in the range
(300 Hz 3400 Hz) at 6 dBm0
VIN = 0 Vrms, tested at VOUT
VDD = 5.0 VDC + 100 mVrms
PCM code is positive one LSB, VDD = 5.0 VDC +
0 dBm0, 300 Hz – 3400 Hz input
100 mVrms
INDUSTRIAL TEMPERATURE RANGE
Test Conditions
Test Conditions
Test Conditions