Advanced Information
WM9707
Recommended Operating Conditions
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
-10%
-10%
TYP
MAX
+10%
+10%
UNIT
V
Digital supply range
DVDD1, DVDD2
AVDD1, AVDD2
DVSS1, DVSS2
AVSS1, AVSS2
3.3 to 5.0
Analogue supply range
Digital ground
3.3 to 5.0
V
0
V
Analogue ground
0
V
Difference DVSS to AVSS
Analogue supply current
Digital supply current
-0.3
0
+0.3
V
DVDD, AVDD = 5V
DVDD, AVDD = 5V
DVDD, AVDD = 5V
DVDD, AVDD = 3.3V
DVDD, AVDD = 3.3V
DVDD, AVDD = 3.3V
30
30
10
20
20
10
mA
mA
uA
mA
mA
uA
Standby supply current (all PRs set)
Analogue supply current
Digital supply current
Standby supply current (all PRs set)
ELECTRICAL CHARACTERISTICS
Test Characteristics:
AVSS = 5V, GND = 0V …………..TA = 0oC to +70oC, unless otherwise stated
DVDD = 3.3V, GND = 0V …………..TA = 0oC to +70oC, unless otherwise stated
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
0.8
UNIT
Digital Logic Levels (DVDD = 3.3 or 5.0V)
Input LOW level
Input HIGH level
Output LOW
VIL
VIH
AVSS -0.3
2.2
V
V
V
V
AVDD +0.3
0.10 x VDD
VOL
VOH
Output HIGH
0.90 x VDD
Analogue I/O Levels (Input Signals on any inputs, Outputs on LINEOUT L, R and MONOOUT)
Input level
Minimum input
impedance = 10k
AVSS
-100mV
AVDD
+100mV
V
V
Output level
Into 10kohm load
AVSS
+300mV
Near rail to
rail
AVDD
-300mV
Reference Levels
Reference input/output
CAP2 impedance
Mixer reference
CAP2
2/5 AVDD
AVDD/2
75
3/5 AVDD
V
kohms
V
VREF
Buffered
CAP2
MIC reference
VREFOUT
Buffered
CAP2
V
MIDBUFF current sink
(pins VREF and VREFOUT)
AVDD = 5V
AVDD = 5V
-5
5
-15
mA
mA
mA
mA
MIDBUFF current source
(pins VREF and VREFOUT)
15
MIDBUFF current source
(pins VREF and VREFOUT)
AVDD = 3.3V
AVDD = 3.3V
10
MIDBUFF current sink
-10
(pins VREF and VREFOUT)
WOLFSON MICROELECTRONICS LTD
AI Rev 2.2 January 2001
3
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
