THS8083CPZP datasheet(49/61 Pages) TI

49 / 61 page

5–5

NOTE 11: Analog input bandwidth – The analog input bandwidth is defined as the maximum frequency of the input sine that can be applied to the

device for which a 3 dB attenuation is observed in the reconstructed signal.

5.4.5.3 Clamp

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

PARAMETER

ADC_INTREF

MIN

TYP

MAX

UNIT

Clamp code adjustment range

See Note 12

100

138

LSB

Clamp code adjustment range

See Note 12

100

138

LSB

Clamp acquisition time at input dc level change

Input level changed by

Within 10% of final value

1.8

Clamp acquisition time at input dc level change

In ut level changed by

100 mV

Within 1 LSB of final value

2.1

3.6

Clamp acquisition time, clamp code change

Clamp changed from

min to max

Within 1 LSB

400

700

Clamp droop error

Droop between 2 clamps at 15 kHz line rate

035

LSB

Clamp droop error

Droop between 2 clamps at 15 kHz line rate

0.35

1.2

LSB

NOTE 12: Clamp code adjustment range – A dc-input signal is applied to the device. The clamp code is changed from the minimum to maximum

setting. The corresponding change in the ADC output code is defined as the clamp code adjustment range.

5.4.6

Coarse PGA

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Full-scale adjustment range

0.4

1.2

Accuracy

± 6

LSB

Full-scale gain change settling time

285

5.4.7

Fine PGA

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Full-scale adjustment range

–4

LSB

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