WM8198 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8198 Datasheet PDF : 31 Pages
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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
CONDITIONS
Programmable Gain Amplifier
Resolution (PGAMODE=0)
9
Gain (PGAMODE=0)
416
566 − PGA[8 : 0]
Max gain, each channel
GMAX
7.5
(PGAMODE=0)
Min gain, each channel
GMIN
0.74
(PGAMODE=0)
Gain error, each channel
1
(PGAMODE=0)
Resolution (PGAMODE=1)
9
Gain (PGAMODE=1)
Max gain, each channel
(PGAMODE=1)
GMAX
1 + PGA[8 : 0] × 4
511
5
Min gain, each channel
GMIN
1
(PGAMODE=1)
Gain error, each channel
1
(PGAMODE=1)
Analogue to Digital Converter
Resolution
16
Speed
6
Full-scale input range
3
(2*(VRT-VRB))
DIGITAL SPECIFICATIONS
Digital Inputs
High level input voltage
VIH
Low level input voltage
VIL
High level input current
IIH
0.8 ∗ DVDD2
0.2 ∗ DVDD2
1
Low level input current
IIL
1
Input capacitance
CI
5
Digital Outputs
High level output voltage
VOH
IOH = 1mA
DVDD2 - 0.5
Low level output voltage
VOL
IOL = 1mA
0.5
High impedance output current
IOZ
1
Digital IO Pins
Applied high level input voltage
VIH
Applied low level input voltage
VIL
0.8 ∗ DVDD2
0.2 ∗ DVDD2
High level output voltage
VOH
IOH = 1mA
DVDD2 - 0.5
Low level output voltage
VOL
IOL = 1mA
0.5
Low level input current
IIL
1
High level input current
IIH
1
Input capacitance
CI
5
High impedance output current
IOZ
1
UNIT
bits
V/V
V/V
V/V
%
bits
V/V
V/V
V/V
%
bits
MSPS
V
V
V
µA
µA
pF
V
V
µA
V
V
V
V
µA
µA
pF
µA
w
PD Rev 4.0 June 2004
7
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