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WM8195 Datasheet(PDF) 8 Page - Wolfson Microelectronics plc

Part # WM8195
Description  14-bit 12MSPS CIS/CCD Analogue Front End/Digitiser
PDF  33 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8195 Datasheet(HTML) 8 Page - Wolfson Microelectronics plc

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



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