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MAX1091AEEI+T

Description
analog to digital converters - ref='/w_adc.html'>adc 250ksps ref='/w_8ch.html'>8ch 10-ref='/w_bit.html'>bit w/internal 2.5V ref
CategoryAnalog mixed-signal IC    converter   
File Size402KB,20 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
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MAX1091AEEI+T Overview

analog to digital converters - ref='/w_adc.html'>adc 250ksps ref='/w_8ch.html'>8ch 10-ref='/w_bit.html'>bit w/internal 2.5V ref

MAX1091AEEI+T Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeSOIC
package instruction0.150 INCH, LEAD FREE, QSOP-28
Contacts28
Reach Compliance Codecompli
ECCN codeEAR99
Maximum analog input voltage1.25 V
Minimum analog input voltage-1.25 V
Maximum conversion time4.1 µs
Converter typeADC, SUCCESSIVE APPROXIMATION
JESD-30 codeR-PDSO-G28
JESD-609 codee3
length9.9 mm
Maximum linear error (EL)0.0488%
Humidity sensitivity level1
Number of analog input channels8
Number of digits10
Number of functions1
Number of terminals28
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output bit codeBINARY, 2\'S COMPLEMENT BINARY
Output formatPARALLEL, 8 BITS
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Encapsulate equivalent codeSSOP28,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply3/3.3 V
Certification statusNot Qualified
Sampling rate0.25 MHz
Sample and hold/Track and holdTRACK
Maximum seat height1.75 mm
Nominal supply voltage3 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.635 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3.9116 mm
19-1638; Rev 2; 12/02
KIT
ATION
EVALU
BLE
AVAILA
250ksps, +3V, 8-/4-Channel, 10-Bit ADCs
with +2.5V Reference and Parallel Interface
General Description
The MAX1091/MAX1093 low-power, 10-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, byte-wide parallel interface. They operate
with a single +3V analog supply and feature a V
LOGIC
pin that allows them to interface directly with a +1.8V to
+3.6V digital supply.
Power consumption is only 5.7mW (V
DD
= V
LOGIC
) at the
maximum sampling rate of 250ksps. Two software-selec-
table power-down modes enable the MAX1091/
MAX1093 to be shut down between conversions;
accessing the parallel interface returns them to normal
operation. Powering down between conversions can cut
supply current to under 10µA at reduced sampling rates.
Both devices offer software-configurable analog inputs
for unipolar/bipolar and single-ended/pseudo-differen-
tial operation. In single-ended mode, the MAX1091 has
eight input channels and the MAX1093 has four input
channels (four and two input channels, 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 MAX1091/MAX1093 tri-states
INT
when
CS
goes
high. Refer to MAX1061/MAX1063 if tri-stating
INT
is not
desired.
The MAX1091 is available in a 28-pin QSOP package,
while the MAX1093 is available in a 24-pin QSOP. For
pin-compatible +5V, 10-bit versions, refer to the
MAX1090/MAX1092 data sheet.
o
10-Bit Resolution, ±0.5 LSB Linearity
o
+3V Single-Supply Operation
o
User-Adjustable Logic Level (+1.8V to +3.6V)
o
Internal +2.5V Reference
o
Software-Configurable, Analog Input Multiplexer
8-Channel Single-Ended/
4-Channel Pseudo-Differential (MAX1091)
4-Channel Single-Ended/
2-Channel Pseudo-Differential (MAX1093)
o
Software-Configurable, Unipolar/Bipolar Inputs
o
Low Power
1.9mA (250ksps)
1.0mA (100ksps)
400µA (10ksps)
2µA (Shutdown)
o
Internal 3MHz Full-Power Bandwidth Track/Hold
o
Byte-Wide Parallel (8 + 2) Interface
o
Small Footprint: 28-Pin QSOP (MAX1091)
24-Pin QSOP (MAX1093)
Features
MAX1091/MAX1093
Pin Configurations
TOP VIEW
HBEN 1
D7 2
D6 3
D5 4
D4 5
D3 6
D2 7
D1/D9 8
D0/D8 9
INT 10
RD 11
WR 12
24 V
LOGIC
23 V
DD
22 REF
21 REFADJ
20 GND
Applications
Industrial Control Systems
Energy Management
Data-Acquisition Systems
Data Logging
Patient Monitoring
Touch Screens
MAX1093
19 COM
18 CH0
17 CH1
16 CH2
15 CH3
14 CS
13 CLK
Ordering Information
PART
MAX1091ACEI
MAX1091BCEI
MAX1091AEEI
MAX1091BEEI
TEMP RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
28 QSOP
28 QSOP
28 QSOP
28 QSOP
INL
(LSB)
±0.5
±1
±0.5
±1
QSOP
Pin Configurations continued at end of data sheet.
Typical Operating Circuits appear at end of data sheet.
1
Ordering Information continued at end of data sheet.
________________________________________________________________
Maxim Integrated Products
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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Is it lead-free? Lead free Lead free Lead free Lead free Lead free Lead free Lead free Lead free Lead free
Is it Rohs certified? conform to conform to conform to conform to conform to conform to conform to conform to conform to
Parts packaging code SOIC SOIC SOIC SOIC SOIC SOIC SOIC SOIC SOIC
package instruction 0.150 INCH, LEAD FREE, QSOP-28 SSOP, SSOP24,.24 SSOP, SSOP24,.24 SSOP, SSOP28,.25 SSOP, SSOP24,.24 0.150 INCH, LEAD FREE, QSOP-24 SSOP, SSOP28,.25 SSOP, SSOP24,.24 SSOP, SSOP24,.24
Contacts 28 24 24 28 24 24 28 24 24
Reach Compliance Code compli compli compli compli compli compli compli compli compli
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Maximum analog input voltage 1.25 V 1.25 V 1.25 V 1.25 V 1.25 V 1.25 V 1.25 V 1.25 V 1.25 V
Minimum analog input voltage -1.25 V -1.25 V -1.25 V -1.25 V -1.25 V -1.25 V -1.25 V -1.25 V -1.25 V
Maximum conversion time 4.1 µs 4.1 µs 4.1 µs 4.1 µs 4.1 µs 4.1 µs 4.1 µs 4.1 µs 4.1 µs
Converter type ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION
JESD-30 code R-PDSO-G28 R-PDSO-G24 R-PDSO-G24 R-PDSO-G28 R-PDSO-G24 R-PDSO-G24 R-PDSO-G28 R-PDSO-G24 R-PDSO-G24
JESD-609 code e3 e3 e3 e3 e3 e3 e3 e3 e3
length 9.9 mm 8.65 mm 8.65 mm 9.89 mm 8.65 mm 8.65 mm 9.89 mm 8.65 mm 8.65 mm
Maximum linear error (EL) 0.0488% 0.0977% 0.0488% 0.0977% 0.0977% 0.0977% 0.0977% 0.0488% 0.0488%
Humidity sensitivity level 1 1 1 1 1 1 1 1 1
Number of analog input channels 8 4 4 8 4 4 8 4 4
Number of digits 10 10 10 10 10 10 10 10 10
Number of functions 1 1 1 1 1 1 1 1 1
Number of terminals 28 24 24 28 24 24 28 24 24
Maximum operating temperature 85 °C 85 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 85 °C
Output bit code BINARY, 2\'S COMPLEMENT BINARY BINARY, 2'S COMPLEMENT BINARY BINARY, 2'S COMPLEMENT BINARY BINARY, 2'S COMPLEMENT BINARY BINARY, 2'S COMPLEMENT BINARY BINARY, 2'S COMPLEMENT BINARY BINARY, 2'S COMPLEMENT BINARY BINARY, 2'S COMPLEMENT BINARY BINARY, 2'S COMPLEMENT BINARY
Output format PARALLEL, 8 BITS PARALLEL, 8 BITS PARALLEL, 8 BITS PARALLEL, 8 BITS PARALLEL, 8 BITS PARALLEL, 8 BITS PARALLEL, 8 BITS PARALLEL, 8 BITS PARALLEL, 8 BITS
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SSOP SSOP SSOP SSOP SSOP SSOP SSOP SSOP SSOP
Encapsulate equivalent code SSOP28,.25 SSOP24,.24 SSOP24,.24 SSOP28,.25 SSOP24,.24 SSOP24,.24 SSOP28,.25 SSOP24,.24 SSOP24,.24
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 260 260 260 260 260 260 260 260 260
power supply 3/3.3 V 3/3.3 V 3/3.3 V 3/3.3 V 3/3.3 V 3/3.3 V 3/3.3 V 3/3.3 V 3/3.3 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Sampling rate 0.25 MHz 0.25 MHz 0.25 MHz 0.25 MHz 0.25 MHz 0.25 MHz 0.25 MHz 0.25 MHz 0.25 MHz
Sample and hold/Track and hold TRACK TRACK TRACK TRACK TRACK TRACK TRACK TRACK TRACK
Maximum seat height 1.75 mm 1.75 mm 1.75 mm 1.75 mm 1.73 mm 1.73 mm 1.75 mm 1.73 mm 1.75 mm
Nominal supply voltage 3 V 3 V 3 V 3 V 3 V 3 V 3 V 3 V 3 V
surface mount YES YES YES YES YES YES YES YES YES
Temperature level INDUSTRIAL INDUSTRIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL INDUSTRIAL
Terminal surface Matte Tin (Sn) TIN Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal pitch 0.635 mm 0.635 mm 0.635 mm 0.635 mm 0.635 mm 0.635 mm 0.635 mm 0.635 mm 0.635 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 NOT SPECIFIED 30 30 30 NOT SPECIFIED 30 30 NOT SPECIFIED
width 3.9116 mm 3.9116 mm 3.9116 mm 3.9 mm 3.9 mm 3.9 mm 3.9 mm 3.9 mm 3.9116 mm
Base Number Matches - 1 1 1 1 1 1 1 1
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