MAX1293AEEG+ datasheet, PDF - EEWORLD Datasheet

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MAX1293AEEG+: Descriptionanalog to digital converters - adc 12-bit 4ch 250ksps 3.6V precision adc; CategoryAnalog mixed-signal IC converter; File Size361KB，20 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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MAX1293AEEG+ Overview

analog to digital converters - adc 12-bit 4ch 250ksps 3.6V precision adc

MAX1293AEEG+ Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Maxim
Parts packaging code	SOIC
package instruction	SSOP, SSOP24,.24
Contacts	24
Reach Compliance Code	compli
ECCN code	EAR99
Maximum analog input voltage	1.25 V
Minimum analog input voltage	-1.25 V
Maximum conversion time	4.1 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	R-PDSO-G24
JESD-609 code	e3
length	8.65 mm
Maximum linear error (EL)	0.0122%
Humidity sensitivity level	1
Number of analog input channels	4
Number of digits	12
Number of functions	1
Number of terminals	24
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output bit code	BINARY, 2\'S COMPLEMENT BINARY
Output format	PARALLEL, 8 BITS
Package body material	PLASTIC/EPOXY
encapsulated code	SSOP
Encapsulate equivalent code	SSOP24,.24
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
power supply	3/3.3 V
Certification status	Not Qualified
Sampling rate	0.25 MHz
Sample and hold/Track and hold	TRACK
Maximum seat height	1.73 mm
Nominal supply voltage	3 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	TIN
Terminal form	GULL WING
Terminal pitch	0.635 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3.9 mm

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19-1532; Rev 3; 12/02

KIT

ATION

EVALU

BLE

AVAILA

250ksps, +3V, 8-/4-Channel, 12-Bit ADCs

with +2.5V Reference and Parallel Interface

General Description

The MAX1291/MAX1293 low-power, 12-bit analog-to-dig-

ital converters (ADCs) feature a successive-approxima-

tion 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 +5.5V

digital supply.

Power consumption is only 5.7mW (V

= V

LOGIC

) at the

maximum sampling rate of 250ksps. Two software-selec-

table power-down modes enable the MAX1291/

MAX1293 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 MAX1291 has

eight input channels and the MAX1293 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 MAX1291/MAX1293 tri-states

INT

when

goes

high. Refer to MAX1261/MAX1263 if tri-stating

INT

is not

desired.

The MAX1291 is available in a 28-pin QSOP package,

while the MAX1293 is available in a 24-pin QSOP. For

pin-compatible +5V, 12-bit versions, refer to the

MAX1290/MAX1292 data sheet.

12-Bit Resolution, ±0.5 LSB Linearity

+3V Single Operation

User-Adjustable Logic Level (+1.8V to +3.6V)

Internal +2.5V Reference

Software-Configurable, Analog Input Multiplexer

8-Channel Single-Ended/

4-Channel Pseudo-Differential (MAX1291)

4-Channel Single-Ended/

2-Channel Pseudo-Differential (MAX1293)

Software-Configurable, Unipolar/Bipolar Inputs

Low Power: 1.9mA (250ksps)

1.0mA (100ksps)

400µA (10ksps)

2µA (Shutdown)

Internal 3MHz Full-Power Bandwidth Track/Hold

Byte-Wide Parallel (8 + 4) Interface

Small Footprint: 28-Pin QSOP (MAX1291)

24-Pin QSOP (MAX1293)

Features

MAX1291/MAX1293

Pin Configurations

TOP VIEW

HBEN 1

D7 2

D6 3

D5 4

D4 5

D3/D11 6

D2/D10 7

D1/D9 8

D0/D8 9

INT 10

RD 11

28 V

LOGIC

27 V

26 REF

25 REFADJ

24 GND

Applications

Industrial Control Systems

Energy Management

Data-Acquisition Systems

Data Logging

Patient Monitoring

Touch Screens

MAX1291

23 COM

22 CH0

21 CH1

20 CH2

19 CH3

18 CH4

17 CH5

16 CH6

15 CH7

Ordering Information

PART

MAX1291ACEI

MAX1291BCEI

MAX1291AEEI

MAX1291BEEI

TEMP RANGE

0°C to +70°C

-40°C to +85°C

PIN-PACKAGE

28 QSOP

INL

(LSB)

±0.5

±1

±0.5

±1

WR 12

CLK 13

CS 14

QSOP

Pin Configurations continued at end of data sheet.

Typical Operating Circuits appear at end of data sheet.

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
Is it Rohs certified?	conform to	-	conform to	conform to	conform to	conform to	-	conform to	conform to	conform to
Maker	Maxim	-	Maxim	Maxim	-	Maxim	-	Maxim	Maxim	Maxim
Parts packaging code	SOIC	-	SOIC	SOIC	SOIC	SOIC	-	SOIC	SOIC	SOIC
package instruction	SSOP, SSOP24,.24	-	0.150 INCH, QSOP-28	0.150 INCH, QSOP-24	SSOP, SSOP24,.24	SSOP, SSOP24,.24	-	SSOP, SSOP24,.24	SSOP, SSOP28,.25	SSOP, SSOP24,.24
Contacts	24	-	28	24	24	24	-	24	28	24
Reach Compliance Code	compli	-	compli	compli	compli	compli	-	compli	compli	compli
ECCN code	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
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
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
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-G24	-	R-PDSO-G28	R-PDSO-G24	R-PDSO-G24	R-PDSO-G24	-	R-PDSO-G24	R-PDSO-G28	R-PDSO-G24
JESD-609 code	e3	-	e3	e3	e3	e3	-	e3	e3	e3
length	8.65 mm	-	9.9 mm	8.65 mm	8.65 mm	8.65 mm	-	8.65 mm	9.89 mm	8.65 mm
Maximum linear error (EL)	0.0122%	-	0.0122%	0.0122%	0.0244%	0.0122%	-	0.0244%	0.0122%	0.0122%
Humidity sensitivity level	1	-	1	1	1	1	-	1	1	1
Number of analog input channels	4	-	8	4	4	4	-	4	8	4
Number of digits	12	-	12	12	12	12	-	12	12	12
Number of functions	1	-	1	1	1	1	-	1	1	1
Number of terminals	24	-	28	24	24	24	-	24	28	24
Maximum operating temperature	85 °C	-	70 °C	85 °C	85 °C	70 °C	-	70 °C	70 °C	70 °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	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
encapsulated code	SSOP	-	SSOP	SSOP	SSOP	SSOP	-	SSOP	SSOP	SSOP
Encapsulate equivalent code	SSOP24,.24	-	SSOP28,.25	SSOP24,.24	SSOP24,.24	SSOP24,.24	-	SSOP24,.24	SSOP28,.25	SSOP24,.24
Package shape	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
Peak Reflow Temperature (Celsius)	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
Certification status	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
Sample and hold/Track and hold	TRACK	-	TRACK	TRACK	TRACK	TRACK	-	TRACK	TRACK	TRACK
Maximum seat height	1.73 mm	-	1.75 mm	1.75 mm	1.73 mm	1.75 mm	-	1.73 mm	1.75 mm	1.73 mm
Nominal supply voltage	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
Temperature level	INDUSTRIAL	-	COMMERCIAL	INDUSTRIAL	INDUSTRIAL	COMMERCIAL	-	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal surface	TIN	-	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	-	Matte Tin (Sn)	TIN	Matte Tin (Sn)
Terminal form	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
Terminal location	DUAL	-	DUAL	DUAL	DUAL	DUAL	-	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	30	-	NOT SPECIFIED	NOT SPECIFIED	30	NOT SPECIFIED	-	30	30	30
width	3.9 mm	-	3.9116 mm	3.9116 mm	3.9 mm	3.9116 mm	-	3.9 mm	3.9 mm	3.9 mm

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