MAX1261ACEI Maxim Integrated, MAX1261ACEI Datasheet - Page 12

• Manufacturer Part Number: MAX1261ACEI
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX1261ACEI

• Number Of Channels: 8/4
• Architecture: SAR
• Conversion Rate: 250 KSPs
• Resolution: 12 bit
• Input Type: Single-Ended/Pseudo-Differential
• Snr: 70 dB
• Interface Type: Parallel
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Package / Case: QSOP-28
• Maximum Power Dissipation: 667 mW
• Minimum Operating Temperature: 0 C
• Number Of Converters: 1
• Voltage Reference: 2.5 V

250ksps, +3V, 8-/4-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
Figure 4. Conversion Timing Using Internal Acquisition Mode
Figure 5. Conversion Timing Using External Acquisition Mode
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______________________________________________________________________________________
CS
D7–D0
INT
HBEN
DOUT
CS
WR
D7–D0
RD
HBEN
WR
RD
INT
DOUT
t
t
CSWS
CSWS
HIGH-Z
HIGH-Z
t
DS
ACQMOD = 1
t
t
CS
WR
CONTROL
t
DS
BYTE
t
WR
t
CS
ACQMOD = 0
CONTROL
BYTE
t
ACQ
t
t
CSHW
DH
t
ACQ
t
DH
t
CSWH
ACQMOD = 0
CONTROL
BYTE
t
CONV
t
CONV
t
D0
t
D0
t
INT1
BYTE VALID
HIGH/LOW
t
D01
BYTE VALID
HIGH/LOW
t
INT1
t
D01
BYTE VALID
HIGH/LOW
BYTE VALID
HIGH/LOW
t
TR
HIGH-Z
HIGH-Z
t
TR