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7809LP Datenblatt(PDF) 8 Page - Maxwell Technologies

Teilenummer 7809LP
Bauteilbeschribung  16-Bit Latchup Protected Analog to Digital Converter
PDF  23 Pages
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Hersteller  MAXWELL [Maxwell Technologies]
Direct Link  http://www.maxwell.com
Logo MAXWELL - Maxwell Technologies

7809LP Datenblatt(HTML) 8 Page - Maxwell Technologies

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All data sheets are subject to change without notice
©2005 Maxwell Technologies
All rights reserved.
16-Bit Latchup Protected Analog to Digital Converter
7809LP
01.11.05 Rev 7
Selecting Output
Format
x
x
x
x
x
x
x
x
x
x
x
x
0
3
1
Serial data is output in
Binary Two’s Comple-
ment format.
Serial data is output in
Straight Binary format.
1. See Figure 4 for constraints on previous data valid during conversion.
TABLE 13. 7809LP INPUT RANGE CONNECTION
ANALOG INPUT RANGE
CONNECT R1
IN VIA 200Ω
TO
CONNECT R2
IN VIA 100Ω
TO
CONNECT R3
IN TO
IMPEDANCE
±10V
V
IN
AGND
CAP
22.9 k
Ω
±5V
AGND
V
IN
CAP
13.3 k
Ω
±3.3V
V
IN
V
IN
CAP
10.7 k
Ω
0V to 10V
AGND
V
IN
AGND
13.3k
Ω
0V to 5V
AGND
AGND
V
IN
10.0 k
Ω
0V to 4V
V
IN
AGND
V
IN
10.7 k
Ω
TABLE 14. 7809LP CONVERSION AND DATA TIMING
(T
A = -40
°C TO 85 °C UNLESS OTHERWISE SPECIFIED)
SYMBOL
DESCRIPTION
SUBGROUPS
MIN
TYP
MAX
UNIT
t1
Convert Pulse Width
9, 10, 11
40
--
6000
ns
t2
BUSY Delay
9, 10, 11
--
--
65
ns
t3
BUSY LOW
9, 10, 11
--
--
8
µ s
t4
BUSY Delay after End of Conversion
9, 10, 11
--
220
--
ns
t5
Aperture Delay
9, 10, 11
--
40
--
ns
t6
Conversion Time
9, 10, 11
--
7.6
8
µ s
t7
Acquisition Time
9, 10, 11
--
--
2
µ s
t6 + t7
Throughput Time
9, 10, 11
--
9
10
µ s
t8
R/C Low to DATACLK Delay
9, 10, 11
--
450
--
ns
t9
DATACLK Period
9, 10, 11
--
440
--
ns
t10
Data Valid to DATACLK HIGH Delay
9, 10, 11
20
75
--
ns
t11
Data Valid after DATACLK LOW
Delay
9, 10, 11
100
125
--
ns
t12
External DATACLK
9, 10, 11
100
--
--
ns
TABLE 12. 7809LP CONTROL LINE FUNCTIONS FOR READ AND CONVERT
SPECIFIC FUNCTION
CS
R/C
BUSY
EXT/INT
DATACL
K
PWRD
SB/BTC
OPERATION



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