WM8783 データシートの表示（PDF） - Wolfson Microelectronics plc

部品番号

コンポーネント説明

メーカー

WM8783

Stereo Low Power 96kHz ADC

Wolfson Microelectronics plc 

WM8783

Production Data

ELECTRICAL CHARACTERISTICS

Test Conditions

AVDD = 3.3V, GND = 0V, TA = +25oC, 1kHz signal, fs = 48kHz, MCLK = 256fs unless otherwise stated. LRCLK transition

as per Figure 4.

PARAMETER

SYMBOL

Analogue Inputs (IN1L, IN1R)

Maximum input signal

level

Input resistance

Input capacitance

TEST CONDITIONS

Single-ended input

MIN

TYP

MAX

AVDD/3.3

66

20

UNIT

Vrms

kΩ

pF

ADC Input Path Performance (Analogue Input to ADC)

Signal to Noise Ratio

SNR

A-weighted, fs = 48kHz

96

dB

Unweighted, fs = 48kHz

94

A-weighted, fs = 96kHz

96

Unweighted, fs = 96kHz

94

Total Harmonic

Distortion

THD

-1dBFS input, fs = 48kHz

-1dBFS input, fs = 96kHz

-83

dB

-83

Channel separation

(Left/Right)

85

dB

Power Supply Rejection

PSRR

1kHz 100mV pk-pk applied to

50

dB

Ratio (with respect to

AVDD

AVDD)

Digital Inputs / Outputs

Input high level

Input low level

Output high level

Output low level

Input capacitance

Input leakage

IOL = 1mA

IOH = -1mA

0.7 x AVDD

V

0.3 x AVDD

V

0.9 x AVDD

V

0.1 x AVDD

V

5

pF

-1

1

μA

Clocking

MCLK frequency

2.048

12.288

MHz

Analogue Reference Levels

Midrail Reference

Voltage

VMID resistance to

Ground

VMID

RVMID

-4%

AVDD/2

+4%

V

33

kΩ

Current Consumption

AVDD Current

Consumption

IAVDD

Quiescent

fs = 48kHz, MCLK = 256fs

Quiescent

fs = 96kHz, MCLK = 128fs

Quiescent

No clocks applied

7.93

mA

8.74

0.24

w

PD, August 2010, Rev 4.0

6

Share Link: