TAS2120 datasheet(10/63 Pages) TI

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5.5 Electrical Characteristics (continued)

TA = 25 °C, VBAT = 3.6 V, VBAT2S = 7.2V (2S mode enabled), PVDD = 12 V ( External PVDD mode enabled), VDD = 1.8

V, IOVDD = 1.8V RL = 8Ω + 33µH, LBOOST = 1µH, fin = 1 kHz, fs = 48 kHz, Gain = 21dBV, BST_ILIM (1S battery) = 5.1A,

BST_ILIM (2S battery, HW mode)=4.1A, BST_ILIM (2S battery, I2C mode)=5.1A, SDZ = 1, Noise gate disabled, Measured

filter free with an Audio Precision using 22 Hz to 20 kHz un-weighted bandwidth (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Audio Channel Stop Band Attenuation

fs = 96 kHz, fin ≥ 0.55 fs

fs = 96 kHz, fin ≥ 1 fs

fs = 192 kHz, 0.55 fs ≥ fin ≥ 0.275 fs

Audio Channel Group Delay

fin=1kHz, fs=96 kHz, Class-H mode

56.7

1/fs

DC to 40kHz, fs=96 kHz, HPF Bypassed,

Class-H bypassed

8.6

1/fs

DC to 40kHz, fs=192 kHz, HPF

Bypassed, Class-H Mode

117.8

1/fs

Sense Circuits

Temperature Measurement Range

–40

150

°C

Temperature Measurement Resolution

°C

Temperature Measurement Accuracy

Measured at 25C

±2.5

°C

VBAT Measurement Range

VBAT pin

VBAT_SNS pin

VBAT Measurement Resolution

VBAT pin

1.25

VBAT_SNS pin

2.5

VBAT Measurement Accuracy

VBAT pin, measured at 3.6V

±25

VBAT_SNS pin, measured at 7.2V

±50

PVDD Measurement Range

PVDD Measurement Resolution

3.75

PVDD Measurement Accuracy

±75

Protection Circuits

Thermal shutdown temperature

140

°C

Thermal shutdown retry time

1.5

VBAT undervoltage lockout threshold

(UVLO)

UVLO is asserted

1.9

UVLO is released

2.3

VDD undervoltage lockout threshold

(UVLO)

UVLO is asserted

1.4

UVLO is released

1.6

PVDD undervoltage lockout threshold

(UVLO)

UVLO is asserted, external PVDD mode

only

2.6

UVLO is released, external PVDD mode

only

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 PVDD, Output to VBAT, H-bridge

mode

4.1

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

TAS2120

SLASFC6 – AUGUST 2024

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