ML145053_08 datasheet(12/15 Pages) LANSDALE

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Issue A

ML145053

LANSDALE Semiconductor, Inc.

Table 2. Programmer's Guide for 16-Bit Transfers:

Input Code

Input

Address

in Hex

Channel to be

Converted Next

Comment

$0XXX

$1XXX

$2XXX

$3XXX

$4XXX

$5XXX

$6XXX

$7XXX

$8XXX

$9XXX

$AXXX

$BXXX

$CXXX

$DXXX

$EXXX

$FXXX

AN0

AN1

AN2

AN3

AN4

None

AN5

AN6

AN7

None

Pin 2

Pin 3

Pin 4

Pin 5

Pin 6

Not Allowed

Half Scale Test: Output = $8000

Zero Test: Output = $0000

Full Scale Test: Output = $FFC0

Not Allowed

Table 3. Programmer's Guide for 16-Bit Transfers:

Output Code

Conversion

Result Without

Offset Removed

Conversion

Result With

Offset Removed

Value

$0000

$0040

$0080

$00C0

$0100

$0140

$0180

$01C0

$0200

$0240

$0280

$02C0

$FF40

$FF80

$FFC0

$0000

$0001

$0002

$0003

$0004

$0005

$0006

$0007

$0008

$0009

$000A

$000B

$03FD

$03FE

$03FF

+ 5 V

Zero

Zero + 1 LSB

Zero + 2 LSBs

Zero + 3 LSBs

Zero + 4 LSBs

Zero + 5 LSBs

Zero + 6 LSBs

Zero + 7 LSBs

Zero + 8 LSBs

Zero + 9 LSBs

Zero + 10 LSBs

Zero + 11 LSBs

Full Scale – 2 LSBs

Full Scale – 1 LSB

Full Scale

0.1 µF

SCLK

AN0

AN1

AN2

AN3

AN4

ML145053

ADC

ANALOG

SENSORS,

ETC.

5 VOLT

REFERENCE

CIRCUIT

SPI PORT

EOC

Din

Dout

VSS

VAG

VDD

Vref

0.22µF

Figure 15. Example Application

Legacy Applications Information

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