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MAX1267BCEG

Description
Analog to Digital Converters - ADC 12-Bit 2Ch 265ksps 3.6V Precision ADC
CategoryAnalog mixed-signal IC    converter   
File Size304KB,19 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX1267BCEG Overview

Analog to Digital Converters - ADC 12-Bit 2Ch 265ksps 3.6V Precision ADC

MAX1267BCEG Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeSSOP
package instruction0.150 INCH, 0.025 INCH PITCH, MO-137, QSOP-24
Contacts24
Reach Compliance Codenot_compliant
ECCN codeEAR99
Factory Lead Time1 week
Maximum analog input voltage3.6 V
Minimum analog input voltage
Maximum conversion time4.1 µs
Converter typeADC, SUCCESSIVE APPROXIMATION
JESD-30 codeR-PDSO-G24
JESD-609 codee0
length8.65 mm
Maximum linear error (EL)0.0244%
Humidity sensitivity level1
Number of analog input channels2
Number of digits12
Number of functions1
Number of terminals24
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output bit codeBINARY
Output formatPARALLEL, WORD
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Encapsulate equivalent codeSSOP24,.24
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)240
power supply3/3.3 V
Certification statusNot Qualified
Sampling rate0.256 MHz
Sample and hold/Track and holdTRACK
Maximum seat height1.73 mm
Nominal supply voltage3 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn85Pb15)
Terminal formGULL WING
Terminal pitch0.635 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width3.9 mm
19-2721; Rev 0; 04/03
265ksps, +3V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
General Description
The MAX1265/MAX1267 low-power, 12-bit analog-to-
digital converters (ADCs) feature a successive-approxi-
mation ADC, automatic power-down, fast wake-up
(2µs), an on-chip clock, +2.5V internal reference, and a
high-speed 12-bit parallel interface. They operate with
a single +2.7V to +3.6V analog supply.
Power consumption is only 5.4mW at the maximum
sampling rate of 265ksps. Two software-selectable
power-down modes enable the MAX1265/MAX1267 to
be shut down between conversions; accessing the par-
allel interface returns them to normal operation.
Powering down between conversions can reduce sup-
ply current below 10µA at lower sampling rates.
Both devices offer software-configurable analog inputs
for unipolar/bipolar and single-ended/pseudo-differen-
tial operation. In single-ended mode, the MAX1265 has
six input channels and the MAX1267 has two (three
input channels and one input channel, respectively,
when in pseudo-differential mode).
Excellent dynamic performance and low power, com-
bined with ease of use and small package size, make
these converters ideal for battery-powered and data-
acquisition applications or for other circuits with demand-
ing power-consumption and space requirements. The
MAX1265 is offered in a 28-pin QSOP package, while the
MAX1267 comes in a 24-pin QSOP. For pin-compatible
+5V, 12-bit versions, refer to the MAX1266/MAX1268
data sheet.
o
12-Bit Resolution, ±0.5 LSB Linearity
o
+3V Single-Supply Operation
o
Internal +2.5V Reference
o
Software-Configurable Analog Input Multiplexer
6-Channel Single Ended/
3-Channel Pseudo Differential (MAX1265)
2-Channel Single Ended/
1-Channel Pseudo Differential (MAX1267)
o
Software-Configurable Unipolar/Bipolar
Analog Inputs
o
Low Current
1.9mA (265ksps)
1.0mA (100ksps)
400µA (10ksps)
2µA (Shutdown)
o
Internal 3MHz Full-Power Bandwidth Track/Hold
o
Parallel 12-Bit Interface
o
Small Footprint
28-Pin QSOP (MAX1265)
24-Pin QSOP (MAX1267)
Features
MAX1265/MAX1267
Pin Configurations
TOP VIEW
D9 1
28 D10
27 D11
26 V
DD
25 REF
24 REFADJ
D8 2
D7 3
Applications
Industrial Control Systems
Energy Management
Data-Acquisition Systems
Data Logging
Patient Monitoring
Touch Screens
D6 4
D5 5
D4 6
D3 7
D2 8
MAX1265
23 GND
22 COM
21 CH0
20 CH1
19 CH2
18 CH3
17 CH4
16 CH5
15 CS
Ordering Information
PART
MAX1265ACEI
MAX1265BCEI
MAX1265AEEI
MAX1265BEEI
MAX1267ACEG
MAX1267BCEG
TEMP RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
28 QSOP
28 QSOP
28 QSOP
28 QSOP
24 QSOP
24 QSOP
24 QSOP
24 QSOP
INL
(LSB)
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
±1
D1 9
D0 10
INT 11
RD 12
WR 13
CLK 14
MAX1267AEEG -40°C to +85°C
MAX1267BEEG -40°C to +85°C
QSOP
Pin Configurations continued at end of data sheet.
Typical Operating Circuits appear at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
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