WM8195(2002) 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8195 Datasheet PDF : 31 Pages
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WM8195
Advanced Information
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
Programmable Gain Amplifier
Resolution
Gain
Max gain, each channel
Min gain, each channel
Gain error, each channel
Analogue to Digital Converter
Resolution
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
Digital Outputs
High level output voltage
Low level output voltage
High impedance output current
Digital IO Pins
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
High impedance output current
Supply Currents
Total supply current − active
(Three channel mode)
Total supply current − active
(Single channel mode)
Total analogue supply current −
active (Three channel mode)
Total analogue supply current −
active (One channel mode)
Digital core supply current,
DVDD1 − active (Note1)
Digital I/O supply current, DVDD2
− active (Note1)
Supply current − full power down
mode
GMAX
GMIN
VIH
VIL
IIH
IIL
CI
VOH
VOL
IOZ
VIH
VIL
VOH
VOL
IIL
IIH
CI
IOZ
IAVDD
IAVDD
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
8
208
283 − PGA[7 : 0]
7.4
0.74
1
14
12
3
bits
V/V
V/V
V/V
%
bits
MSPS
V
IOH = 1mA
IOL = 1mA
IOH = 1mA
IOL = 1mA
MCLK = 24MHz
LINEBYLINE = 1
MCLK = 24MHz
MCLK = 24MHz
LINEBYLINE = 1
MCLK = 24MHz
MCLK = 24MHz
MCLK = 24MHz
0.8 ∗ DVDD2/3
V
0.2 ∗ DVDD2/3 V
1
µA
1
µA
5
pF
DVDD2/3 - 0.5
V
0.5
V
1
µA
0.8 ∗ DVDD2/3
V
0.2 ∗ DVDD2/3 V
DVDD2/3 - 0.5
V
0.5
V
1
µA
1
µA
5
pF
1
µA
42
60
mA
35
mA
37
mA
30
mA
3
mA
2
mA
20
60
µA
w
AI Rev 2.0 September 2002
6
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