WM8198
Production Data
Test Conditions
AVDD = DVDD1 = 5.0, DVDD2 = 3.3, AGND = DGND = 0V, TA = 25°C, MCLK = 12MHz unless otherwise stated.
PARAMETER
SYMBOL
TEST
MIN
TYP
MAX
UNIT
CONDITIONS
Programmable Gain Amplifier
Resolution (PGAMODE=0)
Gain (PGAMODE=0)
9
416
bits
V/V
566 − PGA[8:0]
Max gain, each channel
(PGAMODE=0)
GMAX
GMIN
7.5
0.74
1
V/V
V/V
%
Min gain, each channel
(PGAMODE=0)
Gain error, each channel
(PGAMODE=0)
Resolution (PGAMODE=1)
Gain (PGAMODE=1)
9
bits
V/V
PGA[8 :0] × 4
1+
511
Max gain, each channel
(PGAMODE=1)
GMAX
GMIN
5
V/V
V/V
%
Min gain, each channel
(PGAMODE=1)
1
1
Gain error, each channel
(PGAMODE=1)
Analogue to Digital Converter
Resolution
16
3
bits
MSPS
V
Speed
6
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
0.8 DVDD2
V
0.2 DVDD2
V
1
1
µA
µA
pF
IIL
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 - 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
DVDD2 - 0.5
V
V
0.2 DVDD2
IOH = 1mA
IOL = 1mA
V
0.5
1
V
µA
µA
pF
µA
IIH
1
CI
5
High impedance output current
IOZ
1
PD Rev 4.0 June 2004
7
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
