TCM320AC46

GENERALPURPOSE AUDIO INTERFACE FOR DSP

SLWS001 − D4091, JUNE 1993

POST OFFICE BOX 655303

POST OFFICE BOX 1443

13

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

Crosstalk attenuation, receive-to-transmit

DIN = 0 dBm0, f = 1.02 kHz, unity 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

10

ns

Duty cycle, CLK

45%

50%

55%

Duty cycle, DCLK

45%

50%

55%

† All typical values are at VCC = 5 V, TA = 25°C.

transmit timing requirements over recommended ranges of supply voltage and operating free-air

temperature, fixed-data-rate mode (see Figure 3)

MIN

MAX

UNIT

tsu(FSX)

Setup time, FSX

20

468

ns

th(FSX)

Hold time, FSX

20

468

ns

receive timing requirements over recommended ranges of supply voltage and operating free-air

temperature, fixed-data-rate mode (see Figure 2)

MIN

MAX

UNIT

tsu(FSR)

Setup time, FSR

20

468

ns

th(FSR)

Hold time, FSR

20

468

ns

tsu(DIN)

Setup time, DIN

20

ns

th(DIN)

Hold time, DIN

20

ns

transmit timing requirements over recommended ranges of supply voltage and operating free-air

temperature, variable-data-rate mode (see Figure 5)

MIN

MAX

UNIT

tsu(FSX)

Setup time, FSX

40

tc(DCLKX)−40

ns

th(FSX)

Hold time, FSX

35

tc(DCLKX)−35

ns