MCP3302-I/ST Microchip Technology, MCP3302-I/ST Datasheet - Page 12

• Manufacturer Part Number: MCP3302-I/ST
• Description: 13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface
• Manufacturer: Microchip Technology

MCP3302/04
3.0
FIGURE 3-1:
FIGURE 3-2:
FIGURE 3-3:
(PSRR).
DS21697A-page 12
2.63V
* Waveform 1 is for an output with internal condi-
† Waveform 2 is for an output with internal condi-
Waveform 2†
Waveform 1*
tions such that the output is high, unless disabled
by the output control.
tions such that the output is low, unless disabled
by the output control.
TEST CIRCUITS
D
D
D
OUT
OUT
OUT
1 k
CS
Test Point
Voltage Waveforms for t
Load circuit for t
Load circuit for t
Power Supply Sensitivity Test Circuit
20 k
D
OUT
100 pF
5V
1.4V
3 k
P-P
V
1 k
DD
V
3 k
C
+
-
V
SS
L
1/2 MCP602
DD
1 k
T
= 100 pF
DIS
/2
R
DIS
, t
V
F
and t
IH
,
Test Point
t
DO
t
t
DIS
DIS
.
DIS
t
EN
5V ±500 mVp-p
To V
EN
Waveform 2
Waveform 1
.
10%
90%
Waveform
DD
on DUT
FIGURE 3-4:
Example.
FIGURE 3-5:
Example.
V
CM
5V
=2.5V
P
V
-
P
CM
= 2.5V
5V
5V
Full Differential Test Configuration
Pseudo Differential Test Configuration
P
P
-
-
P
P
IN(-)
IN(+)
IN(-)
IN(+)
2001 Microchip Technology Inc.
V
V
REF
REF
0.1 µF
MCP330X
1 µF
= 5V
MCP330X
=2.5V
0.1µF
1µF
V
REF
V
REF
V
V
SS
V
DD
V
DD
SS
0.1 µF
V
V
DD
DD
0.1µF
= 5V
=5V