TAS5548DCAR datasheet(7/116 Pages) TI1

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TAS5548

www.ti.com

SLES270A – NOVEMBER 2012 – REVISED APRIL 2015

6.5 Electrical Characteristics

At recommended operating conditions - 25 °C Operating Temp, 3.3V Power Supplies with 48kHz input data unless otherwise

specified

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

3.3-V TTL and 5-V tolerant

IOH = –4 mA

2.4

VOH

High-level output voltage

1.8-V LVCMOS (XTL_OUT)

IOH = –0.55 mA

1.44

3.3-V TTL and 5-V tolerant

IOL = 4 mA

0.5

VOL

Low-level output voltage

1.8-V LVCMOS (XTL_OUT)

IOL = 0.75 mA

0.5

IOZ

High-impedance output current

3.3-V TTL

±20

μA

3.3-V TTL

VI = VIL

±1

IIL

Low-level input current

1.8-V LVCMOS (XTL_IN)

VI = VIL

±1

μA

5-V tolerant(1)

VI = 0 V, DVDD = 3 V

±1

3.3-V TTL

VI = VIH

±1

IIH

High-level input current

1.8-V LVCMOS (XTL_IN)

VI = VIH

±1

μA

5-V tolerant(1)

VI = 5.5 V, DVDD = 3 V

±1

Input fS = 48 kHz

220

Digital supply voltage, DVDD

Power down

IDD

Input supply current

Input fS = 48 kHz

Analog supply voltage, AVDD

Power down

(1)

5-V tolerant signals are RESET, PDN, MUTE, HP_SEL, SCLK, LRCLK, MCLK, SDIN1, SDIN2, SDIN3, SDIN4, SDA, and SCL.

6.6 Dynamic Performance

At recommended operating conditions at (25°C, 3.3V Power Supplies with 48kHz input data) unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

NOM

MAX

UNIT

TAS5548 A-weighted (Test Range: 20Hz to 20kHz. fS =

Dynamic range

105

96 kHz).

Total harmonic distortion

TAS5548 output (1kHz at -1dBFS)

0.01%

32-kHz to 96-kHz sample rates (Test Range 20Hz -

±0.1

20kHz)

Frequency response

176.4, 192-kHz sample rates (Test Range 20Hz -

±0.2

20kHz)

6.7 SRC Performance

ATTRIBUTE

VALUE

SRC Latency

102.53125/FSin + 36.46875/FSout

THD+N at 1kHz

Pass Band Ripple (worst case)

±0.05dB

SRC Channel Gain

<1 (slightly lower to compensate for ripple)

Stop Band Attenuation

130dB

Pass Band Edge

0.425 FS-in

Stop Band Edge

0.575 FS-in

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