TCM320AC46 Datasheet, PDF (13/19 Pages) Texas Instruments – GEBERAL-PURPOSE AUDIO INTERFACE FOR DSP

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TCM320AC46
GENERALĆPURPOSE AUDIO INTERFACE FOR DSP
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SLWS001 − D4091, JUNE 1993
power supply rejection and crosstalk attenuation over recommended ranges of supply voltage and operating
free-air temperature
PARAMETER
TEST CONDITIONS
MIN TYP† MAX UNIT
Supply voltage rejection ratio, transmit channel
Idle channel, supply signal = 100 mVrms,
f = 0 to 30 kHz (measured at DOUT)
− 30
dB
Supply voltage rejection ratio, receive channel
Idle channel, supply signal = 100 mVrms,
EARGS connected to EARB,
f = 0 to 30 kHz (measured differentially between EARA
and EARB)
− 30
dB
Crosstalk attenuation, transmit-to-receive
(differential)
MICIN = 0 dB, f = 1.02 kHz, unity transmit gain,
EARGS connected to EARB,
measured differentially between EARA and EARB
55
dB
DIN = 0 dBm0, f = 1.02 kHz, unity transmit
Crosstalk attenuation, receive-to-transmit
gain, measured at DOUT
55
dB
† _{All typical values are at VCC = 5 V, TA = 25°C.}
clock timing requirements over recommended ranges of supply voltage and operating free-air temperature
(see Figures 2, 3, 4, and 5)
MIN TYP† MAX UNIT
tt
Transition time, CLK and DCLK
Duty cycle, CLK
10 ns
45% 50% 55%
Duty cycle, DCLK
† _{All typical values are at VCC = 5 V, TA = 25°C.}
45% 50% 55%
transmit timing requirements over recommended ranges of supply voltage and operating free-air
temperature, fixed-data-rate mode (see Figure 3)
tsu(FSX)
th(FSX)
Setup time, FSX
Hold time, FSX
MIN MAX UNIT
20 468 ns
20 468 ns
receive timing requirements over recommended ranges of supply voltage and operating free-air
temperature, fixed-data-rate mode (see Figure 2)
tsu(FSR)
th(FSR)
tsu(DIN)
th(DIN)
Setup time, FSR
Hold time, FSR
Setup time, DIN
Hold time, DIN
MIN MAX UNIT
20 468 ns
20 468 ns
20
ns
20
ns
transmit timing requirements over recommended ranges of supply voltage and operating free-air
temperature, variable-data-rate mode (see Figure 5)
tsu(FSX)
th(FSX)
Setup time, FSX
Hold time, FSX
MIN
MAX
40 tc(DCLKX)−40
35 tc(DCLKX)−35
UNIT
ns
ns
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