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MAX1093ACEG

Description
Analog to Digital Converters - ADC 250ksps, 4-channel, 10-bit ADC w/ Internal+2.5V Reference and Parallel Interface
CategoryAnalog mixed-signal IC    converter   
File Size402KB,20 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX1093ACEG Overview

Analog to Digital Converters - ADC 250ksps, 4-channel, 10-bit ADC w/ Internal+2.5V Reference and Parallel Interface

MAX1093ACEG Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Parts packaging codeSOIC
package instruction0.150 INCH, QSOP-24
Contacts24
Reach Compliance Codenot_compliant
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-G24
JESD-609 codee0
length8.65 mm
Maximum linear error (EL)0.0488%
Humidity sensitivity level1
Number of analog input channels4
Number of digits10
Number of functions1
Number of terminals24
Maximum operating temperature70 °C
Minimum operating temperature
Output bit codeBINARY, 2'S COMPLEMENT BINARY
Output formatPARALLEL, 8 BITS
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 rate0.25 MHz
Sample and hold/Track and holdTRACK
Maximum seat height1.73 mm
Nominal supply voltage3 V
surface mountYES
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn85Pb15)
Terminal formGULL WING
Terminal pitch0.635 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width3.9 mm
Base Number Matches1
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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