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TCM38C17IDL Datasheet, PDF (7/22 Pages) Texas Instruments – QComboE FOUR-CHANNEL QUAD PCM COMBO | |||
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TCM38C17IDL
QCombo⢠FOUR-CHANNEL (QUAD) PCM COMBO
SLWS040C â JUNE 1996 â REVISED OCTOBER 1999
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
power supply rejection and crosstalk attenuation over recommended ranges of supply voltage and
operating free-air temperature
PARAMETER
TEST CONDITION
MIN TYPâ MAX UNIT
0 < f < 30 kHz
VDD supply voltage rejection, transmit channel
30 < f < 50 kHz
Idle channel,
Supply signal = 200 mVpp,
f measured at PCMOUT
â 40
dB
â 45
VDD supply voltage rejection, receive channel
(single-ended)
0 < f < 30 kHz
30 < f< 50 kHz
Idle channel,
Supply signal = 200 mVpp,
narrow-band,
f measured at PWRO+
Crosstalk (same channel) attenuation, transmit-to-receive
(single-ended)
ANLGIN+ = 0 dBm0,
f = 1.02 kHz, unity gain,
PCMIN = lowest decode level,
measured at PWRO+
Crosstalk (same channel) attenuation, receive-to-transmit
(single-ended)
PCMIN = 0 dBm0,
f = 1.02 kHz,
measured at PCMOUT
Transmit to transmit
Crosstalk (between channels) attenuation
Transmit to receive
0 dBm0,
Receive to transmit
300 Hz â 3400 Hz
Receive to receive
â All typical values are at VDD = 5 V, and TA = 25°C
â¡ Actual levels were beneath the test equipment measurement floor.
â 40
dB
â 45
â¤100â¡ â75 dB
â¤100â¡ â75 dB
â¤100â¡ â76
â¤100â¡ â78
â¤100â¡ â76 dB
â¤100â¡ â78
distortion over recommended ranges of supply voltage and operating free-air temperature
PARAMETER
TEST CONDITIONS
MIN
0 > ANLGIN > â 30 dBm0
36
Transmit signal to distortion ratio, sinusoidal input (CCITT G.712 -
Method 2)
â 30 > ANLGIN > â 40 dBm0
30
â 40 > ANLGIN > â 45 dBm0
25
0 > ANLGIN > â 30 dBm0
36
Receive signal to distortion ratio, sinusoidal input (CCITT G.712 -
Method 2)
â 30 > ANLGIN > â 40 dBm0
30
â 40 > ANLGIN > â 45 dBm0
25
Transmit single-frequency distortion products
Input signal = 0 dBm0
Receive single-frequency distortion products
Input signal = 0 dBm0
CCITT G.712 (7.1)
Intermodulation distortion, end-to-end
Spurious out-of-band signals, end-to-end
CCITT G.712 (7.2)
CCITT G.712 (6.1)
CCITT G.712 (9)
MAX UNIT
dB
dB
â 46 dBm0
â 46 dBm0
â 35
â 49
dBm0
â 25
â 40
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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