MAX187CEPA Maxim Integrated, MAX187CEPA Datasheet - Page 11

• Manufacturer Part Number: MAX187CEPA
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX187CEPA

• Number Of Channels: 1
• Architecture: SAR
• Conversion Rate: 75 KSPs
• Resolution: 12 bit
• Input Type: Single-Ended
• Snr: Yes
• Interface Type: QSPI, Serial (SPI, Microwire)
• Operating Supply Voltage: 4.75 V to 5.25 V
• Maximum Operating Temperature: + 85 C
• Package / Case: PDIP N
• Maximum Power Dissipation: 500 mW
• Minimum Operating Temperature: - 40 C
• Number Of Converters: 1
• Voltage Reference: 4.096 V

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