TAS2020 datasheet(7/79 Pages) TI2

7 / 79 page

TA = 25°C, PVDD = 5V, VDD = 1.8V, IOVDD = 1.8V, RL = 8Ω + 33µH, Fin = 1kHz, Fs = 48kHz, SDZ=1, Noise gate disabled,

Class-D edge rate set to 2V/ns, I2C mode of operation, Measured filter free with an Audio Precision using 22Hz to 20kHz

un-weighted bandwidth (unless otherwise noted).(1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

PCM Playback Characteristics to fs ≤ 48kHz

Sample Rates

kHz

Audio Channel Passband LPF Corner

Ripple < pass-band ripple

0.454

Audio Channel Passband Ripple

20Hz to LPF cutoff

± 0.1

Audio Channel Stop Band Attenuation

≥ 0.55fs

≥ 1fs

Audio Channel Group Delay

Fin = 1kHz, Lowest latency mode (Noise

gate disabled)

8.5

1/fs

Fin = 1kHz

16.5

1/fs

DC to 20kHz, Lowest latency mode (HPF

bypassed, Noise gate disabled)

1/fs

DC to 20kHz, HPF bypassed

1/fs

PCM Playback Characteristics to fs > 48kHz

Sample Rates

88.2

192

kHz

Audio Channel Passband LPF Corner

fs = 96kHz

0.469

fs = 192kHz

0.234

Audio Channel Passband Ripple

20Hz to LPF cutoff

± 0.2

Audio Channel Stop Band Attenuation

fs = 96kHz, fin ≥ 0.55fs

fs = 96kHz, fin ≥ 1fs

fs = 192kHz, 0.55fs ≥ fin ≥ 0.275fs

Audio Channel Group Delay

Fin = 1kHz, Fs = 96kHz, Lowest latency

mode (Noise gate disabled)

1/fs

Fin = 1kHz, Fs = 96kHz

6.7

1/fs

DC to 20kHz, Fs = 96kHz, Lowest latency

mode (Noise gate disabled)

11.5

1/fs

DC to 40kHz, Fs=96kHz, HPF bypassed

28.6

1/fs

Protection Circuits

Thermal shutdown temperature

140

°C

Thermal shutdown retry time

1.5

VDD undervoltage lockout threshold

(UVLO)

UVLO is asserted

1.4

UVLO is released

1.6

PVDD undervoltage lockout threshold

(UVLO)

UVLO is asserted

2.6

UVLO is released

2.8

PVDD overvoltage lockout threshold

(OVLO)

OVLO is asserted, OVLO protection

enabled.

Output Short circuit protection

Output to Output, Output to GND, Output

to Supply, H-bridge mode

5.3

Power up/down Time

TSTDBY

Turn ON time from SDZ Asserted to

device ready for I2C Command

300

TACTIVE

Turn ON time from release of Software

Shutdown to Amplifier output Active

Volume ramping disabled

1.6

Volume ramping enabled

3.9

TTURNOFF

Turn OFF time from assertion of Software

Shutdown to Amplifier output Hi-Z

Volume ramping disabled

0.2

Volume ramping enabled

13.9

Current Consumption

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TAS2020

SLASFD4A – AUGUST 2024 – REVISED JULY 2026

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