16-Bit Latchup Protected Analog to Digital Converter
7809LP
FIGURE 8. 7809LP LPTTM TEST CIRCUIT
C4
.1UF
GND
C4
.1UF
24
U?
GND
S1
R1
1
2
-7.5V
R1IN
AGND1
R2IN
LPVDIG
LPVANA
PWRD
BUSY
CS
R/C
TAG
DATA
23
22
21
20
19
18
17
16
15
14
13
200
R2
R3
100
22.9K
3
4
5
6
7
8
9
10
11
12
R3IN
CAP
REF
AGND2
SB/BTC
EXT/INT DATACLK
DGND
LPBIT
LPSTATUS VANA
DIGITAL
CONTROL
AND
MONITORING
+
+
C1
C2
2.2UF
D1
2.2UF
SYNC
VDIG
1N4149
D2
Q1
2N2369A R3
GND
GND
PULSE GENERATOR 2
IS
7809LPRP
50
+
GND
C3
20 USEC PULSEWIDTH
0V
1N4149
+5V
10UF
PULSE GENERATOR 1
5 USEC PULSEWIDTH
RT/FT < 10 NS
GND
-VP
GND
2.4V
.4V
01.11.05 Rev 7
All data sheets are subject to change without notice 18
©2005 Maxwell Technologies
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
