PCM1794

SLES080B – MAY 2003 – REVISED NOVEMBER 2003

www.ti.com

4

ELECTRICAL CHARACTERISTICS (Continued)

all specifications at TA = 25°C, VCC1 = VCC2L = VCC2R = 5 V, VDD = 3.3 V, fS = 44.1 kHz, system clock = 256 fS, and 24-bit data, unless

otherwise noted

PARAMETER

TEST CONDITIONS

PCM1794DB

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ANALOG OUTPUT

Gain error

–6

±2

6

% of FSR

Gain mismatch, channel-to-channel

–3

±0.5

3

% of FSR

Bipolar zero error

At BPZ

–2

±0.5

2

% of FSR

Output current

Full scale (0 dB)

7.8

mA p-p

Center current

At BPZ

–6.2

mA

DIGITAL FILTER PERFORMANCE

De-emphasis error

±0.004

dB

FILTER CHARACTERISTICS-1: SHARP ROLLOFF

Pass band

±0.00001 dB

0.454 fS

Pass band

–3 dB

0.49 fS

Stop band

0.546 fS

Pass-band ripple

±0.00001

dB

Stop-band attenuation

Stop band = 0.546 fS

–130

dB

Delay time

55/fS

s

FILTER CHARACTERISTICS-2: SLOW ROLLOFF

Pass band

±0.04 dB

0.254 fS

Pass band

–3 dB

0.46 fS

Stop band

0.732 fS

Pass-band ripple

±0.001

dB

Stop-band attenuation

Stop band = 0.732 fS

–100

dB

Delay time

18/fS

s

POWER SUPPLY REQUIREMENTS

VDD

3

3.3

3.6

VDC

VCC1

Voltage range

VCC2L

Voltage range

4.75

5

5.25

VDC

VCC2R

4.75

5

5.25

VDC

(1)

fS = 44.1 kHz

12

15

IDD

(1)

fS = 96 kHz

23

mA

IDD

Supply current (1)

fS = 192 kHz

45

mA

Supply current (1)

fS = 44.1 kHz

33

40

ICC

fS = 96 kHz

35

mA

ICC

fS = 192 kHz

37

mA

(1)

fS = 44.1 kHz

205

250

Power dissipation (1)

fS = 96 kHz

250

mW

Power dissipation (1)

fS = 192 kHz

335

mW

TEMPERATURE RANGE

Operation temperature

–25

85

°C

θJA

Thermal resistance

28-pin SSOP

100

°C/W

(1) Input is BPZ data.