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PCM1780, PCM1781, PCM1782

SLES132B – MARCH 2005 – REVISED AUGUST 2006

ELECTRICAL CHARACTERISTICS (continued)

All specifications at T

A = 25°C, VCC = 5 V, fS = 48 kHz, system clock = 512 fS, and 24-bit data (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DIGITAL INPUT/OUTPUT

Logic family

TTL compatible

VIH

2

Input logic level

Vdc

VIL

0.8

IIH(1)

VIN = VCC

10

IIL(1)

VIN = 0 V

–10

Input logic current

µA

IIH(2)

VIN = VCC

65

100

IIL(2)

VIN = 0 V

–10

VOH(3)

IOH = –1 mA

2.4

Output logic level

Vdc

VOL(4)

IOL = 1 mA

0.4

DYNAMIC PERFORMANCE(5)

VOUT = 0 dB, fS = 48 kHz

0.002%

0.006%

VOUT = 0 dB, fS = 96 kHz, system

0.003%

THD+N

Total harmonic distortion + noise

clock = 256 fS

VOUT = 0 dB, fS = 192 kHz, system

0.004%

clock = 128 fS

EIAJ, A-weighted, fS = 48 kHz

100

106

A-weighted, fS = 96 kHz, system

104

Dynamic range

clock = 256 fS

dB

A-weighted, fS = 192 kHz, system

102

clock = 128 fS

EIAJ, A-weighted, fS = 48 kHz

100

106

A-weighted, fS = 96 kHz, system

104

SNR

Signal-to-noise ratio

clock = 256 fS

dB

A-weighted, fS = 192 kHz, system

102

clock = 128 fS

fS = 48 kHz

97

103

Channel separation

fS = 96 kHz, system clock = 256 fS

101

dB

fS = 192 kHz, system clock = 128 fS

100

DC ACCURACY

% of

Gain error

±1

±6

FSR

% of

Gain mismatch, channel-to-channel

±1

±6

FSR

Bipolar zero error

V OUT = 49% of VCC at BPZ input

±30

±80

mV

ANALOG OUTPUT

Output voltage

Full scale (–0 dB)

0.78 VCC

Vp-p

Bipolar zero voltage

0.49 VCC

Vdc

Load impedance

AC-coupled load

5

k

Ω

DIGITAL FILTER PERFORMANCE

Filter Characteristics (Sharp Rolloff)

Pass band

±0.04 dB

0.454 fS

Stop band

0.546 fS

Pass-band ripple

0.04

dB

Stop-band attenuation

Stop band = 0.546 fS

–50

dB

(1)

Pins 5, 6, 7, 8: SCK, DATA, BCK, LRCK

(2)

Pins 2, 3, 4: MS, MC, MD (PCM1780/PCM1782). Pins 1, 2, 3, 4: FMT, DEMP0, DEMP1, MUTE (PCM1781)

(3)

Pins 1, 16: ZEROL, ZEROR (PCM1780). Pin 16: ZEROA (PCM1781)

(4)

Pins 1, 16: ZEROL, ZEROR (PCM1780/PCM1782). Pin 16: ZEROA (PCM1781)

(5)

Analog performance specifications are measured using the System Two™ Cascade audio measurement system by Audio Precision™.

3

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