TCM38C17IDL Datasheet, PDF (8/22 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)
transmit filter transfer over recommended ranges of supply voltage and operating free-air temperature
(see Figure 1)
PARAMETER
TEST CONDITION
MIN MAX UNIT
16.67 Hz
– 30
50 Hz
– 25
Gain (voltage amplification) relative to gain at
1.02 kHz
60 Hz
– 23
Input amplifier set for unity gain,
200 Hz
– 1.8 – 0.125
Noninverting maximum gain output,
dB
Input signal at ANLGIN is 0 dBm0
300 Hz to 3 kHz – 0.15 0.15
3.3 kHz
– 0.35 0.15
3.4 kHz
– 1 – 0.1
4 kHz
– 14
receive filter transfer over recommended ranges of supply voltage and operating free-air temperature
(see Figure 2)
PARAMETER
Gain (voltage amplification) relative to gain at 1.02 kHz
TEST CONDITION
Below 20 Hz
20 Hz
200 Hz
Input signal at PCMIN
is 0 dBm0
300 Hz to 3 kHz
3.3 kHz
3.4 kHz
4 kHz
4.6 kHz and above
MIN
– 0.5
– 0.15
– 0.35
–1
MAX
0.15
0.15
0.15
0.15
0.15
– 0.1
– 14
– 30
UNIT
dB
timing requirements
clock timing requirements over recommended ranges of supply voltage and operating free-air temperature
(see Figures 3 and 4)
MIN NOM† MAX UNIT
tc(MCLK) Clock period for MCLK 2.048 MHz systems
tr
Rise time for MCLK
tf
Fall time for MCLK
tw(MCLK) Pulse duration for MCLK (see Note 8)
Clock duty cycle [tw(MCLK)/tc(MCLK)] for MCLK
† _{All nominal values are at VDD = 5 V, and TA = 25°C.}
NOTE 7: FS clock must be phase-locked with MCLK.
488.28
ns
30 ns
30 ns
220
ns
45% 50% 55%
8
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