ES9018 datasheet(44/54 Pages) ESS

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2.3

ES9018S Product Datasheet

ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 WWW.ESSTECH.COM

Analog Performance

Test Conditions (unless otherwise stated)

TA = 25oC, AVCC = +3.3V, DVCC = +1.2V, fs = 44.1kHz, MCLK = 27MHz and 32-bit data

SNR/DNR: A-weighted over 20Hz-20kHz in averaging mode

THD+N: un-weighted over 20Hz-20kHz bandwidth

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Resolution

Bits

MCLK (PCM normal mode)

> 192 x Fs (for Fs

 200kHz)

> 256 x Fs (200kHz < Fs

 384kHz)

MCLK (PCM OSF bypass mode)

> 24 x Fs

MCLK (DSD mode)

> 3 x Fs

MCLK (SPDIF mode)

> 386 x Fs

DYNAMIC PERFORMANCE

DNR (mono differential current mode)

–60dBFS

135

dB-A

DNR (stereo differential current mode)

–60dBFS

133

dB-A

DNR (8-Ch differential current mode)

–60dBFS

129

dB-A

DNR (8-Ch differential voltage mode)

–60dBFS

120

dB-A

THD+N (differential current mode)

0dBFS

–120

THD+N (differential voltage mode)

0dBFS

–108

PCM sampling freq (Fs, normal mode)

MCLK > 192 x Fs

MCLK > 256 x Fs

200

384

kHz

PCM sampling freq (Fs, OSF bypass)

MCLK > 24 x Fs

1.536

MHz

ANALOG OUTPUT

Differential (+ or –) voltage output range

Full-scale out

3.05

(0.924 x AVCC)

Vp-p

Differential (+ or –) voltage output offset

Bipolar zero out

1.65

(AVCC / 2)

Differential (+ or –) current output range

(Note *1)

Full-scale out

3.903

mAp-p

Differential (+ or –) current output offset

(Note *1)

Bipolar zero out

to virtual ground

at voltage Vg (V)

2.112 – (1000 x Vg) /

834

Digital Filter Performance

De-emphasis error

0.2

Mute Attenuation

127

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