TCM29C13 Datasheet, PDF (9/25 Pages) Texas Instruments – COMBINED SINGLE-CHIP PCM CODEC AND FILTER

TCM29C13, TCM29C14, TCM29C16, TCM29C17,
TCM129C13, TCM129C14, TCM129C16, TCM129C17
COMBINED SINGLE-CHIP PCM CODEC AND FILTER
SCTS011H – APRIL 1986 – REVISED JULY 1996
distortion over recommended ranges of supply voltage and operating free-air temperature
PARAMETER
Transmit signal-to-distortion ratio, sinusoidal
input (CCITT G.712 – Method 2)
Receive signal-to-distortion ratio, sinusoidal
input (CCITT G.712 – Method 2)
Transmit single-frequency distortion products
TEST CONDITIONS
0 dBm0 ≥ ANLG IN+ ≥ – 30 dBm0
– 30 dBm0 > ANLG IN+ ≥ – 40 dBm0
– 40 dBm0 > ANLG IN+ ≥ – 45 dBm0
0 dBm0 ≥ ANLG IN+ ≥ – 30 dBm0
– 30 dBm0 > ANLG IN+ ≥ – 40 dBm0
– 40 dBm0 > ANLG IN+ ≥ – 45 dBm0
AT&T Advisory #64 (3.8), Input signal = 0 dBm0
MIN TYP†
36
30
25
36
30
25
MAX
– 46
UNIT
dB
dB
dBm0
Receive single-frequency distortion products
AT&T Advisory #64 (3.8), Input signal = 0 dBm0
– 46 dBm0
Intermodulation distortion, end-to-end spurious
out-of-band signals, end-to-end
CCITT G.712 (7.1)
CCITT G.712 (7.2)
CCITT G.712 (6.1)
– 35
– 49
dBm0
– 25
Transmit absolute delay time to PCM OUT
CCITT G.712 (9)
Fixed-data rate,
fCLKX + 2.048 MHz,
Input to ANLG IN + 1.02 kHz at 0 dBm0
– 40
245
µs
Transmit differential envelope delay time
relative to transmit absolute delay time
f = 500 Hz to 600 Hz
f = 600 Hz to 1000 Hz
f = 1000 Hz to 2600 Hz
170
95
µs
45
Receive absolute delay time to PWRO +
f = 2600 Hz to 2800 Hz
Fixed-data rate,
fCLKR + 2.048 MHz,
Digital input is DMW code
105
190
µs
f = 500 Hz to 600 Hz
45
Receive differential envelope delay time
relative to transmit absolute delay time
f = 600 Hz to 1000 Hz
f = 1000 Hz to 2600 Hz
f = 2600 Hz to 2800 Hz
† _{All typical values are at VBB = – 5 V, VCC = 5 V, and TA = 25°C.}
35
µs
85
110
transmit filter transfer over recommended ranges of supply voltage and operating free-air
temperature (see Figure 1)
PARAMETER
Gain relative to gain at 1.02 kHz
TEST CONDITIONS
f = 16.67 Hz
f = 50 Hz
f = 60 Hz
Input amplifier set for unity gain,
Noninverting maximum gain output,
Input signal at ANLG IN + is 0 dBm0
f = 200 Hz
f = 300 Hz to 3 kHz
f = 3.3 kHz
f = 3.4 kHz
f = 4 kHz
f = 4.6 kHz and above
MIN MAX
– 30
– 25
– 23
– 1.8 – 0.125
– 0.15 0.15
– 0.35 0.15
– 1 – 0.1
– 14
– 32
UNIT
dB
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