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WM8736 Datasheet(PDF) 3 Page - Wolfson Microelectronics plc

Part # WM8736
Description  24-bit, 96kHz 6-Channel DAC with Volume Control
PDF  17 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8736 Datasheet(HTML) 3 Page - Wolfson Microelectronics plc

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Production Data
WM8736
WOLFSON MICROELECTRONICS LTD
PD Rev 2.1 January 2001
3
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital supply range
DVDD
-10%
3.3 to 5
+10%
V
Analogue supply range
AVDD
-10%
3.3 to 5
+10%
V
Ground
AGND, DGND
0
V
Difference DGND to AGND
-0.3
0
+0.3
V
Analogue supply current
AVDD = 5V
50
mA
Digital supply current
DVDD = 5V
15
mA
Analogue supply current
AVDD = 3.3V
45
mA
Digital supply current
DVDD = 3.3V
15
mA
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD, DVDD = 5V, AGND, DGND = 0V, TA = +25
oC, fs = 48kHz, SCKI = 256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DAC Circuit Specifications
SNR (See Notes 1 and 2)
AVDD, DVDD = 5V
95
102
dB
AVDD, DVDD = 3.3V
100
dB
AVDD, DVDD = 5V
110
dB
SNR with automute on
AVDD, DVDD = 3.3V
108
dB
THD (full-scale)
(See Note 2)
0dB
-96
-85
dB
THD+N (Dynamic range)
(See Note 2)
-60dB
102
dB
Frequency response
0
20,000
Hz
Pass band ripple
0.125
dB
Transition band
20,000
Hz
Out of band rejection
-40
dB
Channel separation
90
dB
Gain mismatch
channel-to-channel
±1
%FSR
Digital Logic Levels
Input LOW level
VIL
0.8
V
Input HIGH level
VIH
2.0
V
Output LOW level
VOL
IOL = 2mA
GND + 0.3V
Output HIGH level
VOH
IOH = 2mA
DVDD - 0.3V
Analogue Output Levels
Output level
Into 10kohm, full scale 0dB,
(5V supply)
1.1
VRMS
Into 10kohm, full scale 0dB,
(3.3V supply)
0.72
VRMS
To midrail or a.c. coupled
(5V supply)
1
kohms
Minimum resistance load
To midrail or a.c. coupled
(3.3V supply)
1
kohms
Maximum capacitance load
5V or 3.3V
100
pF
Output d.c. level
AVDD/2
V
Reference Levels
Potential divider resistance
AVDD to CAP and
CAP to AGND
90
kohms
Voltage at CAP
AVDD/2
POR
POR threshold
1.8
V



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