LTC1603IG Ver la hoja de datos (PDF) - Linear Technology
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LTC1603IG Datasheet PDF : 20 Pages
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W
FU CTIO AL BLOCK DIAGRA
LTC1603
+
47µF
DIFFERENTIAL
ANALOG INPUT
± 2.5V
2.2µF
3
VREF
10µF
5V 10µF
10Ω
+
36
35
AVDD AVDD
4 REFCOMP
4.375V
1.75X
7.5k 2.5V
REF
5V 10µF
+
9
10
DVDD
DGND
SHDN 33
CONTROL
LOGIC
AND
TIMING
CS 32
CONVST 31
RD 30
BUSY 27
µP
CONTROL
LINES
1 AIN+
2 AIN–
16-BIT
SAMPLING
ADC
B15 TO B0
OUTPUT
BUFFERS
AGND AGND AGND AGND VSS
5
6
7
8 34
OVDD 29
OGND 28
5V OR
3V
10µF
D15 TO D0
16-BIT
PARALLEL
BUS
11 TO 26
1603 TA01
+ 10µF
–5V
TEST CIRCUITS
Load Circuits for Access Timing
DN
1k
CL
5V
1k
DN
CL
(A) Hi-Z TO VOH AND VOL TO VOH
(B) Hi-Z TO VOL AND VOH TO VOL
1603 TC01
Load Circuits for Output Float Delay
DN
1k
CL
(A) VOH TO Hi-Z
5V
1k
DN
CL
(B) VOL TO Hi-Z
1603 TC02
1603f
7
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