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TCM38C17IDL Datasheet, PDF (7/22 Pages) Texas Instruments – QComboE FOUR-CHANNEL QUAD PCM COMBO
TCM38C17IDL
QCombo™ FOUR-CHANNEL (QUAD) PCM COMBO
SLWS040C – JUNE 1996 – 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 TYP† 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
– 40
dB
– 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 – 3400 Hz
Receive to receive
† All typical values are at VDD = 5 V, and TA = 25°C
‡ Actual levels were beneath the test equipment measurement floor.
– 40
dB
– 45
≤100‡ –75 dB
≤100‡ –75 dB
≤100‡ –76
≤100‡ –78
≤100‡ –76 dB
≤100‡ –78
distortion over recommended ranges of supply voltage and operating free-air temperature
PARAMETER
TEST CONDITIONS
MIN
0 > ANLGIN > – 30 dBm0
36
Transmit signal to distortion ratio, sinusoidal input (CCITT G.712 -
Method 2)
– 30 > ANLGIN > – 40 dBm0
30
– 40 > ANLGIN > – 45 dBm0
25
0 > ANLGIN > – 30 dBm0
36
Receive signal to distortion ratio, sinusoidal input (CCITT G.712 -
Method 2)
– 30 > ANLGIN > – 40 dBm0
30
– 40 > ANLGIN > – 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
– 46 dBm0
– 46 dBm0
– 35
– 49
dBm0
– 25
– 40
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