WM8716 データシートの表示（PDF） - Wolfson Microelectronics plc

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WM8716

High Performance 24-bit, 192kHz Stereo DAC

Wolfson Microelectronics plc 

Production Data

WM8716

ELECTRICAL CHARACTERISTICS

TEST CONDITIONS

AVDD, DVDD = 5V, AGND, DGND = 0V, TA = +25oC, fs = 48kHz, SCKI = 256fs unless otherwise stated.

PARAMETER

SYMBOL

DAC Circuit Specifications

SNR (See Notes 1 and 2)

THD (full-scale)

(See Note 2)

Dynamic range

(See Note 2)

Filter Characteristics (Sharp Roll-off)

Passband

Stopband

Passband ripple

Stopband Attenuation

Delay time

Filter Characteristics (Slow Roll-off)

Passband

Stopband

Passband ripple

Stopband Attenuation

Delay time

Internal Analogue Filter

Bandwidth

Passband edge response

Digital Logic Levels

Input LOW level

VIL

Input HIGH level

VIH

(See Note 3)

Output LOW level

VOL

Output HIGH level

VOH

TEST CONDITIONS

0dB FS

-1dB FS

THD @ -60dB FS

MIN

TYP

MAX

105

112

-92

-97

105

112

±0.0012 dB

-3dB

f > 0.5465fs

±0.001dB

-3dB

f > 0.732fs

-3dB

20kHz

IOL = 2mA

IOH = 2mA

0.4535fs

-82

0.491fs

30/fs

±0.0012

0.274fs

0.459fs

±0.001

-82

9/fs

195

-0.043

0.8

2.0

DVDD - 0.3V

DGND + 0.3V

UNIT

dB

dB

dB

dB

dB

dB

dB

s

dB

dB

s

kHz

dB

V

V

Analogue Output Levels

Output level

Minimum resistance load

Maximum capacitance load

Output DC level

Gain mismatch channel to

channel

Reference Levels

Potential divider resistance

Voltage at VMIDL/VMIDR

POR

POR threshold

Into 10kΩ, full scale 0dB,

(5V supply)

Into 10kΩ, full scale 0dB,

(3.3V supply)

To midrail or AC coupled

(5V supply)

To midrail or AC coupled

(3.3V supply)

5V or 3.3V

AVDD to VMIDL/VMIDR and

VMIDL/VMIDR to AGND

1.1

0.72

1

600

100

AVDD/2

0.5

10

AVSS/2

2.5V

VRMS

VRMS

kΩ

Ω

pF

V

2

%FSR

kΩ

V

w

PD, Rev 4.2, August 2008

5

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