PCM1808

SLES177B – APRIL 2006 – REVISED AUGUST 2015

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Electrical Characteristics (continued)

All specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, master mode, fS = 48 kHz, system clock = 512 fS, 24-bit data, unless

otherwise noted

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DYNAMIC PERFORMANCE (5)

VIN = –0.5 dB, fS = 48 kHz

–93

–87

VIN = –0.5 dB, fS = 96 kHz

(6)

–87

THD+N

Total harmonic distortion + noise

dB

VIN = –60 dB, fS = 48 kHz

–37

VIN = –60 dB, fS = 96 kHz

(6)

–39

fS = 48 kHz, A-weighted

95

99

Dynamic range

dBVDC

fS = 96 kHz, A-weighted

(6)

101

fS = 48 kHz, A-weighted

95

99

S/N

Signal-to-noise ratio

dB

fS = 96 kHz, A-weighted

(6)

101

fS = 48 kHz

93

97

Channel separation

dB

fS = 96 kHz

(6)

91

ANALOG INPUT

Input voltage

0.6 VCC

Vp-p

Center voltage (VREF)

0.5 VCC

V

Input impedance

60

k

Ω

Antialiasing filter frequency response

–3 dB

1.3

MHz

DIGITAL FILTER PERFORMANCE

Pass band

0.454 fS

Hz

Stop band

0.583 fS

Hz

Pass-band ripple

±0.05

dB

Stop-band attenuation

–65

dB

Delay time

17.4 / fS

0.019 fS /

HPF frequency response

–3 dB

1000

POWER SUPPLY REQUIREMENTS

fS = 48 kHz, 96 kHz

(6)

8.6

11

mA

ICC

Analog supply current (7)

Powered down (8)

1

μA

fS = 48 kHz

5.9

8

mA

IDD

Digital supply current (7)

fS = 96 kHz

(6)

10.2

mA

Powered down (8)

150

µA

fS = 48 kHz

62

81

mW

Power dissipation (7)

fS = 96 kHz

(6)

77

Powered down (8)

500

µW

(5)

Testing of analog performance specifications uses an audio measurement system by Audio Precision™ with 400-Hz HPF and 20-kHz

LPF in RMS mode.

(6)

fS = 96 kHz, system clock = 256 fS.

(7)

Minimum load on LRCK (pin 7), BCK (pin 8), DOUT (pin 9)

(8)

Power-down and reset functions enabled by halting SCKI, BCK, LRCK.

6

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