TAS3002 datasheet(53/74 Pages) TI

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8–3

0.002

–0.002

0.004

0.006

0.008

f – Frequency – Hz

0.1 fs

0.2 fs

0.3 fs

0.4 fs

0.5 fs

Figure 8–3. ADC Digital Filter Pass-Band Characteristics

–0.4

–1

–0.2

0.2

–0.6

–0.8

f – Frequency – Hz

1 fs

2 fs

3 fs

4 fs

Figure 8–4. ADC High-Pass Filter Characteristics

8.5

Analog-to-Digital Converter

TA = 25°C, AVDD = 3.3 V, DVDD = 3.3 V, fS = 48 kHz, 20-bit I2S mode

All terms characterized by frequency are scaled with the chosen sampling frequency, fS.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SNR (EIAJ)

A weighted

Dynamic range

–60 dB, 1 kHz

Signal to (noise + distortion) ratio

–1 dB, 1 kHz, 20 Hz to 20 kHz

Power supply rejection ratio

1 kHz (see Note 3)

Idle channel tone rejection

+110

Intermodulation distortion

–80

ADC crosstalk

–93

Overall ADC frequency response

20 Hz to 20 kHz

±0.1

Gain error

Gain matching

±0.02

NOTE 3: Measured with a 50-mV peak sine curve.

TAS3002 Datasheet(PDF) 53 Page - Texas Instruments

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