7809LPRPFE datasheet(9/23 Pages) MAXWELL

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All data sheets are subject to change without notice

16-Bit Latchup Protected Analog to Digital Converter

7809LP

01.11.05 Rev 7

t13

External DATACLK HIGH

9, 10, 11

t14

External DATACLK LOW

9, 10, 11

t15

DATACLK HIGH Setup Time

9, 10, 11

t12 + 5

t16

R/C to CS Setup Time

9, 10, 11

t17

SYNC Delay After DATACLK High

9, 10, 11

t18

Data Valid Delay

9, 10, 11

t19

CS to Rising Edge Delay

9, 10, 11

t20

Data Available after CS LOW

9, 10, 11

µ s

TABLE 15. 7809LP CONVERSION DATA TIMING

DESCRIPTION

ANALOG INPUT

DIGITAL OUTPUT

BINARY TWO’S

COMPLEMENT (SB/BTC

LOW)

STRAIGHT BINARY

(SB/BTC HIGH)

BINARY CODE

HEX

CODE

BINARY CODE

HEX

CODE

Full Scale

Range

±10

±5

±3.33V

0V to

10V

0V to 5V 0V to 4V

Least Signifi-

cant Bit (LSB)

305 µ V

153 µ V

102 µ V

153 µ V

76 µ V

61 µ V

+ Full Scale

(FS - 1 LSB)

9.99969

4.99984

3.33323

9.99984

4.99992

3.99993

0111 1111

1111 1111

7FFF

1111 1111

FFFF

Midscale

2.5V

0000 0000

0000

1000 0000

0000 0000

8000

One LSB

Below Mid-

scale

-305 µ V -153 µ V -102 µ V

4.99984

2.49992

1.99993

1111 1111

FFFF

0111 1111

1111 1111

7FFF

-Full Scale

-10V

-5V

3.33333

1000 0000

0000 0000

8000

0000 0000

0000

TABLE 14. 7809LP CONVERSION AND DATA TIMING

A = -40

°C TO 85 °C UNLESS OTHERWISE SPECIFIED)

SYMBOL

DESCRIPTION

SUBGROUPS

MIN

TYP

MAX

UNIT

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