TMS57014A

DUAL AUDIO DIGITAL-TO-ANALOG CONVERTER

SLAS077D – SEPTEMBER 1993 – REVISED NOVEMBER 1995

10

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

256FSO

IO = – 0.4 mA

VDD – 0.5

VOH

High level output voltage

L1, L 2, R1, R2

IO = – 12 mA

VDD – 0.5

V

VOH

High-level output voltage

XOUT

IO = – 1.2 mA

VDD – 0.5

V

MUTEL, MUTER

IO = – 1 mA

VDD – 0.5

256FSO

IO = 0.4 mA

0.4

VOL

Low level output voltage

L1, L 2, R1, R2

IO = 12 mA

0.5

V

VOL

Low-level output voltage

XOUT

IO = 1.2 mA

0.5

V

MUTEL, MUTER

IO = 1 mA

0.4

IIH

High-level input current, any digital input

±1

±5

µA

IIL

Low-level input current, any digital input

±1

±5

µA

Ci

Input capacitance

5

pF

Co

Output capacitance

5

pF

† All typical values are at TA = 25°C.

NOTE 4: DVDD, AVDDL, XVDD and AVDDR tied together represents VDD.

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Analog power supply current

AVDDL and AVDDR are shorted together

15

mA

Digital power supply current

15

mA

Total device supply current over operating

temperature range

60

mA

Power dissipation

350

mW

† All typical values are at TA = 25°C.

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Resolution

See Note 5

18

bits

Signal-to-noise ratio

A-weighted,

20 Hz to 20 kHz,

See Figure 10, Table 5, and Note 5

De-emphasis not selected

96

100

dB

Total harmonic distortion

20 Hz to 20 kHz,

See Note 5

0.003%

0.004%

† All typical values are at TA = 25°C.

NOTE 5: These specifications are measured at the output (VO) of the low-pass filter shown in Figure 7.

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Pass-band ripple

Sample rate (F ) = 48 kHz

See Note 5

– 0.002

0.002

dB

Stop-band attenuation

Sample rate (Fs) = 48 kHz, See Note 5

75

dB

Pass band (– 3 dB) (DAC)

0

0.46 Fs

kHz

Stop band

See Note 5

0.54 Fs

kHz

Group delay

29 / Fs

s

† All typical values are at TA = 25°C.

NOTE 5: These specifications are measured at the output (VO) of the low-pass filter shown in Figure 7.