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MAX1145AEAP+T

Description
analog to digital converters - adc 14-bit 150ksps 2.2V precision adc
CategoryAnalog mixed-signal IC    converter   
File Size2MB,18 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
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MAX1145AEAP+T Overview

analog to digital converters - adc 14-bit 150ksps 2.2V precision adc

MAX1145AEAP+T Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeSSOP
package instructionSSOP, SSOP20,.3
Contacts20
Reach Compliance Codecompli
ECCN codeEAR99
Maximum analog input voltage2.048 V
Minimum analog input voltage-2.048 V
Maximum conversion time240 µs
Converter typeADC, SUCCESSIVE APPROXIMATION
JESD-30 codeR-PDSO-G20
JESD-609 codee3
length7.2 mm
Maximum linear error (EL)0.0061%
Humidity sensitivity level1
Number of analog input channels1
Number of digits14
Number of functions1
Number of terminals20
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output bit codeBINARY, 2\'S COMPLEMENT BINARY
Output formatSERIAL
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Encapsulate equivalent codeSSOP20,.3
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply3.3 V
Certification statusNot Qualified
Sampling rate0.15 MHz
Sample and hold/Track and holdTRACK
Maximum seat height2 mm
Nominal supply voltage3.3 V
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width5.3 mm
19-2465; Rev 0; 4/02
14-Bit ADCs, 150ksps, 3.3V Single Supply
General Description
The MAX1144/MAX1145 are 150ksps, 14-bit ADCs.
These serially interfaced ADCs connect directly to
SPI™, QSPI™, and MICROWIRE™ devices without
external logic. They combine an input scaling network,
internal track/hold, clock, and three general-purpose
digital output pins (for external multiplexer or PGA con-
trol) in a 20-pin SSOP package. The excellent dynamic
performance (THD
90dB), high speed (150ksps in
bipolar mode), and low power (8.0mA) of these ADCs
make them ideal for applications such as industrial
process control, instrumentation, and medical applica-
tions.
The MAX1144 accepts input signals of 0 to +6V (unipo-
lar) or ±6V (bipolar), while the MAX1145 accepts input
signals of 0 to +2.048V (unipolar) or ±2.048V (bipolar).
Operating from a single 3.135V to 3.465V analog digital
supply, powerdown modes reduce current consump-
tion to 0.15mA at 10ksps and further reduce supply
current to less than 20µA slower data rates.
A serial strobe output (SSTRB) allows direct connection
to the TMS320 family digital-signal processors. The
MAX1144/MAX1145 user can select either the internal
clock or an external serial-interface clock for the ADC to
perform analog-to-digital conversions.
The MAX1144/MAX1145 feature internal calibration cir-
cuitry to correct linearity and offset errors. On-demand
calibration allows the user to optimize performance.
Three user-programmable logic outputs are provided
for the control of an 8-channel mux or PGA.
The MAX1144/MAX1145 are available in a 20-pin SSOP
package and are fully specified over the -40°C to
+85°C temperature range.
Features
o
150ksps (Bipolar) and 125ksps (Unipolar)
Sampling ADC
o
14 Bits, No Missing Codes
o
1LSB INL Guaranteed
o
-100dB THD
o
3.3V Single-Supply Operation
o
Low-Power Operation
5mA typ (Unipolar Mode)
o
1.2µA Shutdown Mode
o
Software-Configurable Unipolar and Bipolar Input
Ranges
0 to +6V and ±6V (MAX1144)
0 to +2.048V and ±2.048V (MAX1145)
o
Internal or External Clock
o
SPI/QSPI/MICROWIRE TMS320-Compatible Serial
Interface
o
Three User-Programmable Logic Outputs
o
Small 20-Pin SSOP Package
MAX1144/MAX1145
Ordering Information
PART
MAX1144ACAP
MAX1144BCAP
MAX1144AEAP
MAX1144BEAP
TEMP
RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PIN-
PACKAGE
20 SSOP
20 SSOP
20 SSOP
20 SSOP
INL
(LSB)
±1
±2
±1
±2
Ordering Information continued at end of data sheet.
Applications
Industrial Process Control
Industrial I/O Modules
Data-Acquisition Systems
Medical Instruments
Portable and Battery-Powered Equipment
Functional Diagram and Typical Application Circuit appear
at end of data sheet.
TOP VIEW
REF 1
AV
DD
2
AGND 3
AV
DD
4
DGND 5
SHDN 6
P2 7
P1 8
PO 9
Pin Configuration
20 AIN
19 AGND
18 CREF
17 CS
MAX1144
MAX1145
16 DIN
15 DV
DD
14 DGND
13 SCLK
12 RST
11 DOUT
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor, Corp.
SSTRB 10
SSOP
________________________________________________________________
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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Description analog to digital converters - adc 14-bit 150ksps 2.2V precision adc analog to digital converters - adc 14-bit 150ksps 2.2V precision adc analog to digital converters - adc 14-bit 150ksps 2.2V precision adc analog to digital converters - adc 14-bit 150ksps 2.2V precision adc analog to digital converters - adc 14-bit 150ksps 2.2V precision adc analog to digital converters - adc 14-bit 150ksps 2.2V precision adc analog to digital converters - adc 14-bit 150ksps 2.2V precision adc analog to digital converters - adc 14-bit 150ksps 2.2V precision adc Fixed Resistor, Thin Film, 0.25W, 475ohm, 200V, 0.5% +/-Tol, -25,25ppm/Cel, 1206,
Is it 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
Maker Maxim Maxim Maxim Maxim Maxim Maxim Maxim Maxim -
Parts packaging code SSOP SSOP SSOP SSOP SSOP SSOP SSOP SSOP -
package instruction SSOP, SSOP20,.3 SSOP, SSOP20,.3 SSOP, SSOP20,.3 SSOP, SSOP20,.3 5.30 MM, 0.65 MM PITCH, SSOP-20 5.30 MM, 0.65 MM PITCH, SSOP-20 5.30 MM, 0.65 MM PITCH, SSOP-20 SSOP, SSOP20,.3 -
Contacts 20 20 20 20 20 20 20 20 -
Reach Compliance Code compli compli compli compli compli compli compli compli unknown
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Maximum analog input voltage 2.048 V 6 V 6 V 2.048 V 2.048 V 6 V 6 V 6 V -
Minimum analog input voltage -2.048 V -6 V -6 V -2.048 V -2.048 V -6 V -6 V -6 V -
Maximum conversion time 240 µs 240 µs 240 µs 240 µs 240 µs 240 µs 240 µs 240 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 -
JESD-30 code R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 -
JESD-609 code e3 e3 e3 e3 e3 e3 e3 e3 e3
length 7.2 mm 7.2 mm 7.2 mm 7.2 mm 7.2 mm 7.2 mm 7.2 mm 7.2 mm -
Maximum linear error (EL) 0.0061% 0.0122% 0.0061% 0.0061% 0.0122% 0.0122% 0.0122% 0.0061% -
Humidity sensitivity level 1 1 1 1 1 1 1 1 -
Number of analog input channels 1 1 1 1 1 1 1 1 -
Number of digits 14 14 14 14 14 14 14 14 -
Number of functions 1 1 1 1 1 1 1 1 -
Number of terminals 20 20 20 20 20 20 20 20 2
Maximum operating temperature 85 °C 85 °C 85 °C 70 °C 85 °C 85 °C 70 °C 70 °C 125 °C
Minimum operating temperature -40 °C -40 °C -40 °C - -40 °C -40 °C - - -55 °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 -
Output format SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL -
Package body material 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 -
Encapsulate equivalent code SSOP20,.3 SSOP20,.3 SSOP20,.3 SSOP20,.3 SSOP20,.3 SSOP20,.3 SSOP20,.3 SSOP20,.3 -
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR PACKAGE
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 SMT
Peak Reflow Temperature (Celsius) 260 260 260 260 260 260 260 260 -
power supply 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V -
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified -
Sampling rate 0.15 MHz 0.15 MHz 0.15 MHz 0.15 MHz 0.15 MHz 0.15 MHz 0.15 MHz 0.15 MHz -
Sample and hold/Track and hold TRACK TRACK TRACK TRACK TRACK TRACK TRACK TRACK -
Maximum seat height 2 mm 1.99 mm 2 mm 2 mm 2 mm 2 mm 1.99 mm 2 mm -
Nominal supply voltage 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V -
surface mount YES YES YES YES YES YES YES YES -
technology BICMOS BICMOS BICMOS BICMOS BICMOS BICMOS BICMOS BICMOS THIN FILM
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL COMMERCIAL INDUSTRIAL INDUSTRIAL COMMERCIAL COMMERCIAL -
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) - with Nickel (Ni) barrier
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING -
Terminal pitch 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm -
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL -
Maximum time at peak reflow temperature NOT SPECIFIED 30 NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED 30 NOT SPECIFIED -
width 5.3 mm 5.29 mm 5.3 mm 5.3 mm 5.3 mm 5.3 mm 5.29 mm 5.3 mm -
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