WM8716 Datasheet, PDF (5/26 Pages) Wolfson Microelectronics plc – High Performance 24-bit, 192kHz Stereo DAC

Production Data
WM8716
ELECTRICAL CHARACTERISTICS
TEST CONDITIONS
AVDD, DVDD = 5V, AGND, DGND = 0V, TA = +25^oC, 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