WM8195
Production Data
Test Conditions
AVDD1 = AVDD2 = DVDD1 = DVDD2 = DVDD3 =4.75 to 5.25V, AGND = DGND = 0V, TA = 0 to 70°C, MCLK = 24MHz unless
otherwise stated.
PARAMETER
SYMBOL
TEST
MIN
TYP
MAX
UNIT
CONDITIONS
Programmable Gain Amplifier
Resolution
Gain
8
208
bits
V/V
283 − PGA[7 : 0]
Max gain, each channel
Min gain, each channel
Gain error, each channel
Analogue to Digital Converter
Resolution
GMAX
GMIN
7.4
0.74
1
V/V
V/V
%
14
12
3
bits
MSPS
V
Speed
Full-scale input range
(2*(VRT-VRB))
DIGITAL SPECIFICATIONS
Digital Inputs
High level input voltage
Low level input voltage
High level input current
Low level input current
Input capacitance
VIH
VIL
IIH
IIL
0.8 DVDD2/3
V
0.2 DVDD2/3
V
1
1
µA
µA
pF
CI
5
Digital Outputs
High level output voltage
Low level output voltage
High impedance output current
Digital IO Pins
VOH
VOL
IOZ
IOH = 1mA
IOL = 1mA
DVDD2/3 - 0.5
V
V
0.5
1
µA
Applied high level input voltage
Applied low level input voltage
High level output voltage
Low level output voltage
Low level input current
High level input current
Input capacitance
VIH
VIL
VOH
VOL
IIL
0.8 DVDD2/3
DVDD2/3 - 0.5
V
V
0.2 DVDD2/3
IOH = 1mA
IOL = 1mA
V
0.5
1
V
µA
µA
pF
µA
IIH
1
CI
5
High impedance output current
Supply Currents
IOZ
1
Total supply current − active
(Three channel mode)
Total supply current − active
(Single channel mode)
42
35
65
mA
mA
MCLK = 24MHz
LINEBYLINE = 1
MCLK = 24MHz
Total analogue supply current −
active (Three channel mode)
IAVDD
IAVDD
37
30
mA
mA
MCLK = 24MHz
Total analogue supply current −
active (One channel mode)
LINEBYLINE = 1
MCLK = 24MHz
Digital core supply current,
DVDD1 − active (Note1)
3
2
mA
mA
µA
MCLK = 24MHz
MCLK = 24MHz
Digital I/O supply current, DVDD2
− active (Note1)
Supply current − full power down
20
60
mode
PD Rev 4.1 July 2005
8
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
