MAX187BMJA Maxim Integrated, MAX187BMJA Datasheet - Page 15

• Manufacturer Part Number: MAX187BMJA
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX187BMJA

• 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: + 125 C
• Package / Case: CDIP N
• Maximum Power Dissipation: 500 mW
• Minimum Operating Temperature: - 55 C
• Number Of Converters: 1
• Voltage Reference: 4.096 V

Figure 15. QSPI Serial Interface Timing (CPOL = CPHA = 0)
Figure 16. 12-Bit Isolated ADC
Maxim Integrated
ANALOG
DOUT
SCLK
INPUT
HI-Z
CS
4.7µF
0.1µF
10µF
t
CONV
+5V
1
2
4
5
SIGNAL
GROUND
BARRIER MUST BE ISOLATED POWER
V
AIN
REF
GND
EOC
DD
MAX187
+5V ON THIS SIDE OF
SHDN
DOUT
SCLK
CS
3
7
8
6
MSB
+5V, Low-Power, 12-Bit Serial ADCs
470I
3kI
3kI
D10
D9
2
4
1
3
8
7
6
5
8
7
6
5
D8
6N136
6N136
6N136
D7
D6
8
7
6
1
2
3
4
1
2
3
4
5
200I
200I
D5
+5V
D4
8.2kI
74HC04
74HC04
MAX187/MAX189
D3
D2
+5V
14
11
12
10
14
11
12
10
SER
SCK
RCK
SCLR
SER
SCK
RCK
SCLR
D1
74HC595
74HC595
SCLK /INPUT CLOCK
13
13
QH’
LSB
9
8
8
QH
QG
QD
QC
QB
QA
QH
QG
QD
QC
QB
QA
QF
QE
QF
QE
CS/START
7
6
5
4
3
2
1
15
16
7
6
5
4
3
2
1
15
16
D11 (MSB)
D10
D9
D8
+5V
0.1µF
D7
D6
D5
D4
D3
D10
D1
D0 (LSB)
+5V
0.1µF
HI-Z
15