WM8762 查看數據表（PDF） - Wolfson Microelectronics plc

零件编号

产品描述 (功能)

生产厂家

WM8762

24-bit 192kHz Stereo DAC

Wolfson Microelectronics plc 

WM8762

Production Data

DC ELECTRICAL CHARACTERISTICS

PARAMETER

Supply range

Ground

Supply current

Supply current

Power down current (note 3)

SYMBOL

VDD

GND

TEST CONDITIONS

MIN

2.7

VDD = 5V

VDD = 3.3V

VDD=3.3V

TYP

MAX

UNIT

5.5

V

0

V

26

mA

20

mA

0.5

mA

ELECTRICAL CHARACTERISTICS

Test Conditions

VDD = 5V, GND = 0V, TA = +25oC, fs = 48kHz, MCLK = 256fs unless otherwise stated.

PARAMETER

SYMBOL TEST CONDITIONS

MIN

Digital Logic Levels (TTL Levels)

Input LOW level

VIL

Input HIGH level

VIH

Output LOW

VOL

Output HIGH

VOH

DAC Output (Load = 10kΩ 50pF)

IOL = 2mA

IOH = 2mA

2

0.9 x VDD

0dBFS Full scale output voltage

At DAC outputs

SNR (Note 1,2)

SNR (Note 1,2)

SNR (Note 1,2)

SNR (Note 1,2)

SNR (Note 1,2)

SNR (Note 1,2)

THD

Dynamic range (Note 2)

Analogue Output Levels

Output level

Gain mismatch

channel-to-channel

Minimum resistance load

Maximum capacitance load

Output d.c. level

Power On Reset (POR)

POR threshold

A-weighted,

@ fs = 48kHz

A-weighted

@ fs = 96kHz

A-weighted

@ fs = 192kHz

A-weighted,

@ fs = 48kHz

VDD = 3.3V

A-weighted

@ fs = 96kHz

VDD = 3.3V

Non ‘A’ weighted @ fs

= 48kHz

1kHz, 0dBFS

1kHz, THD+N @

90

-60dBFs

Load = 10kΩ, 0dBFS

Load = 10kΩ, 0dBFS,

(VDD = 3.3V)

To midrail or a.c.

coupled

To midrail or a.c.

coupled

(VDD = 3.3V)

5V or 3.3V

TYP

1.2 x

VDD/5

98

95

92

95

95

92

-84

98

1.2

0.79

±1

1

1

100

VDD/2

1.8

MAX

0.8

0.10 x VDD

UNIT

V

V

V

V

Vrms

dB

dB

dB

dB

dB

dB

dB

dB

VRMS

VRMS

%FSR

kΩ

kΩ

pF

V

V

w

PD Rev 4.2 July 2006

5

Share Link: