MAX1280BEUP+ datasheet, PDF - EEWORLD Datasheet

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MAX1280BEUP+: Descriptionanalog to digital converters - adc 12-bit 8ch 400ksps 5.5V precision adc; CategoryAnalog mixed-signal IC converter; File Size440KB，24 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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MAX1280BEUP+ Overview

analog to digital converters - adc 12-bit 8ch 400ksps 5.5V precision adc

MAX1280BEUP+ Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Maxim
Parts packaging code	TSSOP
package instruction	TSSOP, TSSOP20,.25
Contacts	20
Reach Compliance Code	compli
ECCN code	EAR99
Factory Lead Time	6 weeks
Maximum analog input voltage	1.25 V
Minimum analog input voltage	-1.25 V
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	R-PDSO-G20
JESD-609 code	e3
length	6.5 mm
Maximum linear error (EL)	0.0244%
Humidity sensitivity level	1
Number of analog input channels	8
Number of digits	12
Number of functions	1
Number of terminals	20
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output bit code	BINARY, 2\'S COMPLEMENT BINARY
Output format	SERIAL
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP20,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
power supply	5 V
Certification status	Not Qualified
Sampling rate	0.4 MHz
Sample and hold/Track and hold	TRACK
Maximum seat height	1.1 mm
Nominal supply voltage	5 V
surface mount	YES
technology	BICMOS
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	4.4 mm

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19-1684; Rev 2; 10/10

KIT

ATION

EVALU

BLE

AVAILA

400ksps/300ksps, Single-Supply, Low-Power, 8-Channel,

Serial 12-Bit ADCs with Internal Reference

General Description

The MAX1280/MAX1281 12-bit ADCs combine an 8-chan-

nel analog-input multiplexer, high-bandwidth track/hold,

and serial interface with high conversion speed and low

power consumption. The MAX1280 operates from a single

+4.5V to +5.5V supply; the MAX1281 operates from a sin-

gle +2.7V to +3.6V supply. Both devices’ analog inputs

are software configurable for unipolar/bipolar and single-

ended/pseudo-differential operation.

The 4-wire serial interface connects directly to

SPI™/QSPI™/MICROWIRE™ devices without external

logic. A serial strobe output allows direct connection to

TMS320-family digital signal processors. The MAX1280/

MAX1281 use an external serial-interface clock to per-

form successive-approximation analog-to-digital con-

versions. Both parts feature an internal +2.5V reference

and a reference-buffer amplifier with a ±1.5% voltage-

adjustment range. An external reference with a 1V to

DD1

range may also be used.

The MAX1280/MAX1281 provide a hard-wired

SHDN

pin and four software-selectable power modes (normal

operation, reduced power, fast power-down, and full

power-down). These devices can be programmed to

automatically shut down at the end of a conversion or to

operate with reduced power. When using the power-

down modes, accessing the serial interface automatical-

ly powers up the devices, and the quick turn-on time

allows them to be powered down between all conver-

sions. This technique can cut supply current to under

100µA at reduced sampling rates.

The MAX1280/MAX1281 are available in 20-pin TSSOP

packages. These devices are higher-speed versions of

the MAX146/MAX147 (for more information, see the

respective data sheet).

Features

♦

8-Channel Single-Ended or 4-Channel

Pseudo-Differential Inputs

♦

Internal Multiplexer and Track/Hold

♦

Single-Supply Operation

+4.5V to +5.5V (MAX1280)

+2.7V to +3.6V (MAX1281)

♦

Internal +2.5V Reference

♦

400ksps Sampling Rate (MAX1280)

♦

Low Power 2.5mA (400ksps)

1.3mA (Reduced-Power Mode)

0.9mA (Fast Power-Down Mode)

2µA (Full Power-Down)

♦

SPI/QSPI/MICROWIRE/TMS320-Compatible

4-Wire Serial Interface

♦

Software-Configurable Unipolar or Bipolar Inputs

♦

20-Pin TSSOP Package

MAX1280/MAX1281

Ordering Information

PART

MAX1280BCUP+

MAX1280BEUP+

MAX1281BCUP+

TEMP

RANGE

0°C to +70°C

-40°C to +85°C

0°C to +70°C

PIN-

PACKAGE

20 TSSOP

INL

(LSB)

±1

MAX1281BEUP+

-40°C to +85°C

20 TSSOP

+Denotes

a lead(Pb)-free/RoHS-compliant package.

Pin Configuration

TOP VIEW

CH0 1

CH1 2

CH2 3

CH3 4

CH4 5

CH5 6

CH6 7

CH7 8

COM 9

SHDN 10

20 V

DD1

19 V

DD2

18 SCLK

Applications

Portable Data Logging

Data Acquisition

Medical Instruments

Battery-Powered Instruments

Pen Digitizers

Process Control

MAX1280

MAX1281

16 DIN

15 SSTRB

14 DOUT

13 GND

12 REFADJ

11 REF

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

TSSOP

________________________________________________________________

Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

MAX1280BEUP+ Related Products

	MAX1280BEUP+	MAX1281BCUP+	MAX1280BCUP+T	LHL10561K
Description	analog to digital converters - adc 12-bit 8ch 400ksps 5.5V precision adc	analog to digital converters - adc 12-bit 8ch 300ksps 3.6V precision adc	analog to digital converters - adc 12-bit 8ch 400ksps 5.5V precision adc	RADIAL LEADED INDUCTORS
Is it lead-free?	Lead free	Lead free	Lead free	-
Is it Rohs certified?	conform to	conform to	conform to	-
Maker	Maxim	Maxim	Maxim	-
Parts packaging code	TSSOP	TSSOP	TSSOP	-
package instruction	TSSOP, TSSOP20,.25	ROHS COMPLIANT, TSSOP-20	TSSOP, TSSOP20,.25	-
Contacts	20	20	20	-
Reach Compliance Code	compli	compli	compli	-
ECCN code	EAR99	EAR99	EAR99	-
Factory Lead Time	6 weeks	15 weeks	6 weeks	-
Maximum analog input voltage	1.25 V	1.25 V	1.25 V	-
Minimum analog input voltage	-1.25 V	-1.25 V	-1.25 V	-
Converter type	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	-
JESD-30 code	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	-
JESD-609 code	e3	e3	e3	-
length	6.5 mm	6.5 mm	6.5 mm	-
Maximum linear error (EL)	0.0244%	0.0244%	0.0244%	-
Humidity sensitivity level	1	1	1	-
Number of analog input channels	8	8	8	-
Number of digits	12	12	12	-
Number of functions	1	1	1	-
Number of terminals	20	20	20	-
Maximum operating temperature	85 °C	70 °C	70 °C	-
Output bit code	BINARY, 2\'S COMPLEMENT BINARY	BINARY, 2'S COMPLEMENT BINARY	BINARY, 2\'S COMPLEMENT BINARY	-
Output format	SERIAL	SERIAL	SERIAL	-
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-
encapsulated code	TSSOP	TSSOP	TSSOP	-
Encapsulate equivalent code	TSSOP20,.25	TSSOP20,.25	TSSOP20,.25	-
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	-
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	-
Peak Reflow Temperature (Celsius)	260	260	260	-
power supply	5 V	3/3.3 V	5 V	-
Certification status	Not Qualified	Not Qualified	Not Qualified	-
Sampling rate	0.4 MHz	0.3 MHz	0.4 MHz	-
Sample and hold/Track and hold	TRACK	TRACK	TRACK	-
Maximum seat height	1.1 mm	1.1 mm	1.1 mm	-
Nominal supply voltage	5 V	3 V	5 V	-
surface mount	YES	YES	YES	-
technology	BICMOS	BICMOS	BICMOS	-
Temperature level	INDUSTRIAL	COMMERCIAL	COMMERCIAL	-
Terminal surface	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	-
Terminal form	GULL WING	GULL WING	GULL WING	-
Terminal pitch	0.65 mm	0.65 mm	0.65 mm	-
Terminal location	DUAL	DUAL	DUAL	-
Maximum time at peak reflow temperature	30	30	NOT SPECIFIED	-
width	4.4 mm	4.4 mm	4.4 mm	-

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