MAX187BCPA+ Maxim, MAX187BCPA+ Datasheet - Page 12

• Manufacturer Part Number: MAX187BCPA+
• Description: A/D Converter, 12-Bit, 3-Wire Serial I'face, 0 to 70 C, PDIP8
• Manufacturer: Maxim

Specifications of MAX187BCPA+

• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

+5V, Low-Power, 12-Bit Serial ADCs
12
Figure 8. MAX187/MAX189 Interface Timing Sequence
Figure 9. MAX187/MAX189 Detailed Serial-Interface Timing
DOUT
INTERFACE IDLE
A/D
STATE
MINIMUM
CYCLE TIME
SCLK
INTERNAL
CS
______________________________________________________________________________________
DOUT
SCLK
T/H
CS
TRACK
(TRACK)
IN PROGRESS
CONVERSION
CONVERSION
8.5 s (t
t APR
t DV
t CS0
0
CONV
)
EOC
(HOLD)
EOC
0 s
t CONV
1
B11 B10 B9
4
B8
TOTAL = 12.25 s
12 0.250 s = 3.25 s
CLOCK OUTPUT DATA
B7
t DO
B6
TRACK
B5
8
B4
t CH
B2
B3
(TRACK)
t CL
B2
B1
12
B1
B0
B0
TRAILING
ZEROS
0 s
t TR
0.5 s
(t CS )
t CS
IDLE
CONV. 1