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