TLC320AC02IPM datasheet(44/93 Pages) TI2

44 / 93 page

3–6

3.5.10

Power-Supply Rejection, VDD = 5 V (Unless Otherwise Noted) (see Note 17)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

ADC VDD

Supply voltage rejection ratio ADC channel

fi = 0 to 30 kHz

ADC VDD

Supply-voltage rejection ratio, ADC channel

fi = 30 to 50 kHz

DAC VDD

Supply voltage rejection ratio DAC channel

fi = 0 to 30 kHz

DAC VDD

Supply-voltage rejection ratio, DAC channel

fi = 30 to 50 kHz

DGTL VDD Supply voltage rejection ratio ADC channel

fi = 0 to 30 kHz

DGTL VDD Supply-voltage rejection ratio, ADC channel

fi = 30 to 50 kHz

Single ended,

fi = 0 to 30 kHz

DGTL VDD Supply voltage rejection ratio DAC channel

fi = 30 to 50 kHz

DGTL VDD Supply-voltage rejection ratio, DAC channel

Differential,

fi = 0 to 30 kHz

fi = 30 to 50 kHz

† All typical values are at VDD = 5 V and TA = 25°C.

NOTE 17: Power supply rejection measurements are made with both the ADC and the DAC channels idle and a 200-mV

peak-to-peak signal applied to the appropriate supply.

3.5.11

Crosstalk Attenuation, VDD = 5 V (Unless Otherwise Noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

ADC channel crosstalk attenuation

DAC channel idle with

DIN = 00000000000000,

ADC input = 0 dB,

1020-Hz sine wave,

Gain = 0 dB (see Note 18)

DAC channel crosstalk attenuation

ADC channel idle with INP, INM,

AUX IN +, and AUX IN – at ADC VMID

DAC channel crosstalk attenuation

DAC channel input = digital equivalent

of a 1020-Hz sine wave (see Note 19)

† All typical values are at VDD = 5 V and TA = 25°C.

NOTES: 18. The test signal is a 1020-Hz sine wave with a 0 dB = 6-V peak-to-peak reference level for the analog input

signal.

19. The input signal is the digital equivalent of a 1020-Hz sine wave (digital full scale = 0 dB). The nominal

differential DAC channel output with this input condition is 6 V peak to peak. The load impedance for the

DAC output buffer is 600

Ω from OUT+ to OUT–.

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