WM8593
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RECOMMENDED OPERATING CONDITIONS
PARAMETER
Digital power supply
Analogue power supply
Analogue power supply
Ground
SYMBOL
DVDD
TEST CONDITIONS
MIN
2.97
2.97
8.1
TYP
3.3
3.3
9
MAX
3.6
UNIT
V
V
V
V
AVDD1
3.6
AVDD2
9.9
DGND/AGND1/
AGND2
0
Operating temperature
range
TA
-25
+85
°C
Notes:
1. Digital supply (DVDD) must never be more than 0.3V greater than AVDD1 in normal operation.
2. Digital ground (DGND) and analogue grounds (AGND1, AGND2) must never be more than 0.3V apart.
SUPPLY CURRENT CONSUMPTION
PARAMETER
Digital supply current
Analogue supply current
Analogue supply current
Standby current
SYMBOL
IDVDD
TEST CONDITIONS
MIN
TYP
TBD
TBD
TBD
TBD
MAX
UNIT
mA
mA
mA
µA
IAVDD1
IAVDD2
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD2=9V, AVDD1=DVDD=3.3V, AGND1=AGND2=0V, DGND=0V, TA=+25˚C, 1kHz signal, fs=48kHz, MCLK=256fs unless otherwise stated
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital logic levels
Input low level
VIL
VIH
0.3xDVDD
0.1 x DVDD
V
V
Input high level
0.7xDVDD
Output low level
VOL
VOH
V
Output high level
0.9 x DVDD
V
Digital input leakage current
Digital input capacitance
Analogue Reference Levels
ADC Midrail Voltage
TBD
TBD
µA
pF
ADCVMID
ADCREFP
AVDD1/2
V
V
ADC Buffered Positive
Reference Voltage
ADCVMID
DAC Midrail Voltage
DACVMID
DACREFP/2
100
V
Potential divider resistance
kΩ
AVDD1 to ADCVMID
ADCVMID to AGND1
50
kΩ
DACVREFP to DACVMID
DACVMID to DACVREFN
VMID_SEL[1:0] = 01
(Note 2)
Analogue Line Outputs
Output signal level (0dB)
TBD
nF
2.0x
TBD
TBD
Vrms
AVDD2 / 9
Maximum capacitance load
Minimum resistance load
Analogue Headphone Outputs
Output signal level (0dB)
1
1
1
RL = 32Ω
1
k
Ω
Vrms
Ω
TBD
6
0.8x
AVDD2 / 9
Minimum resistance load
Analogue Inputs
PP Rev 1.0 January 2007
8
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
