TLV320AIC27

STEREO AUDIO CODEC

SLAS253A – MARCH 2000 – REVISED SEPTEMBER 2000

8

POST OFFICE BOX 655303

(unless otherwise noted) (continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Mixer Circuit Specifications (AVDD = 5 V) 48-kHz sampling

SNR CD path A-weighted (see Note 1)

90

95

dB

SNR other paths A-weighted (see Note 1)

85

95

dB

Maximum input voltage

AVSS

1

AVDD

Vrms

Maximum output voltage on LINEOUT

1.0

1.8

Vrms

THD

0-dB voltage input

74

90

dB

Frequency response (

±1 dB)

20

20000

Hz

Input impedance (CD inputs)

At any gain

15

k

Ω

Input impedance (other mixer inputs)

At maximum gain

10

20

k

Ω

Input impedance (other mixer inputs)

At 0-db gain

100

k

Ω

Input impedance mic inputs

At maximum gain

10

20

k

Ω

Input impedance mic inputs

At 0-db gain

110

k

Ω

PSRR

20 Hz to 20kHz

40

dB

DAC Circuit Specifications (AVDD = 3.3 V) 48-kHz sampling

SNR A-weighted (see Note 1)

96

dB

Full scale output voltage

VREF = 1.65 V

0.7

Vrms

THD

–3-dB full-scale input

66

90

dB

Frequency response

20

19200

Hz

Transition band

19200

28800

Hz

Stop band

28800

Hz

Out-of-band rejection

–40

dB

Spurious-tone reduction

–100

dB

PSRR

20 Hz to 20 kHz

40

dB

ADC-Circuit Specifications (AVDD = 3.3 V) 48-kHz sampling

SNR A-weighted (see Note 1)

85

dB

ADC input for full-scale output

VREF = 1.65 V

0.7

Vrms

THD

–6-dB voltage input

66

80

dB

Frequency response

20

19200

Hz

Transition band

19200

28800

Hz

Stop band

28800

Hz

Stop-band rejection

–74

dB

PSRR

20 Hz to 20 kHz

40

dB

NOTE 1: SNR is the ratio of 0-dB signal output level to the output level with no signal, measured A-weighted over a 20 Hz to 20 kHz bandwidth.