wm9709 Wolfson Microelectronics plc, wm9709 Datasheet - Page 4

• Manufacturer Part Number: wm9709
• Description: Ac-link Interface Audio Dac
• Manufacturer: Wolfson Microelectronics plc

WM9709
DC ELECTRICAL CHARACTERISTICS
AC ELECTRICAL CHARACTERISTICS
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Test Conditions:
AVDD = 5V, AGND = 0V, DVDD = 3.3V, DGND = 0V, T
PARAMETER
Supply Ranges
Digital supply range
Analogue supply range
Digital ground
Analogue ground
Difference DGND to AGND
Supply Currents
Analogue supply current
Analogue supply current
Digital supply current
Digital Logic Levels (DVDD = 3.3)
Input LOW level
Input HIGH level
Output LOW
Output HIGH
Test Conditions:
AVDD = 5V, AGND = 0V, DVDD = 3.3V, DGND = 0V, T
PARAMETER
Reference Levels
Reference input/output
CAP impedance
DAC Circuit Specifications (48kHz Sample Rate)
SNR A-weighted (Note 1,2)
Dynamic Range
Full scale output voltage into
10k
THD
Channel Separation
Channel Matching
PSRR
Output offset wrt CAP voltage
Clock Frequency Range
Crystal clock
BITCLK frequency
SYNC frequency
load
SYMBOL
SYMBOL
DNR
CAP
DVDD
DGND
AGND
AVDD
V
V
V
V
OL
OH
IH
IL
1kHz, 10 F on CAP pin
TEST CONDITIONS
DVDD, AVDD = 3.3V
DVDD, AVDD = 3.3V
AVDD = 3.3V
AVDD = 3.3V
TEST CONDITIONS
A
A
AVDD=3.3V
AVDD = 5V
AVDD = 5V
AVDD=5V
= 25
= 25
ILOAD = 1mA
ILOAD = 1mA
DVDD=3.3V,
0dBfs
AVDD = 5V
o
o
C, unless otherwise stated.
C, unless otherwise stated.
AVDD/2 –
0.75
25mV
-0.35
DGND - 0.3
0.9
0.95
MIN
-30
95
95
95
-10%
-10%
-0.3
MIN
DVDD
DVDD
AVDD/2
24.576
12.288
3.3 to 5.0
0.66
48.0
TYP
102
102
102
1.0
-95
99
99
46
5
0
0
12.5
TYP
3.3
11
0
0
0
5
PD Rev 1.3 February 2003
0.25
DVDD + 0.3
0.1
AVDD/2 +
25mV
MAX
1.05
0.35
+10%
+10%
-85
MAX
+0.3
30
20
8
DVDD
DVDD
Production Data
Vrms
Vrms
UNIT
MHz
MHz
UNIT
kHz
mV
mA
mA
mA
k
dB
dB
dB
dB
dB
dB
dB
dB
V
V
V
V
V
V
V
V
V
4