Datasheet > MAX1383

MAX1383

更新时间： 2024-09-15 14:57:55

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描述
双通道、12位、1.25Msps、同时采样ADC，采用串行接口

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MAX1383 数据手册

19-4126; Rev 1; 2/ꢀ9

Dual, 12-Bit, 1.25Msps Simultaneous-Sampling

ADCs with Serial Interface

79/MAX183

General Description

Features

♦ Dual, Simultaneous-Sampling, 12-Bit Successive

The MAX1377/MAX1379/MAX1383 feature two simulta-

neous-sampling, low-power, 12-bit ADCs with serial

interface and internal voltage reference. Fast sampling

rate, low power dissipation, and excellent dynamic per-

formance make the MAX1377/MAX1379/MAX1383

ideal for industrial process control, motor control, and

RF applications.

Approximation Register (SAR) ADCs

♦ 2 x 2 Mux Inputs or Two Differential Inputs

♦ 1.25Msps Sampling Rate per ADC

♦ Internal or External Reference

♦ Excellent Dynamic Performance

70dB SINAD (MAX1377)

Conversion results are available through a SPI™-/

QSPI™-/MICROWIRE™-/DSP-compatible interface with

independent serial digital outputs for each channel. The

serial outputs allow twice as much data to be transferred

at the given clock rate. The conversion results for both

ADCs can also be output on a single digital output for

microcontrollers (µCs) and DSPs with only a single serial

input available.

71dB SINAD (MAX1379/MAX1383)

84dBc/SFDR

1MHz Full-Linear Bandwidth

♦ 2.7V to 3.6V Low-Power Operation (MAX1377)

50mW (Normal Operation)

6mW (Partial Power-Down)

3µW (Full Power-Down)

♦ 4.75V to 5.25V Low-Power Operation (MAX1379)

90mW (Normal Operation)

The MAX1377 operates from a 2.7V to 3.6V analog sup-

ply and the MAX1379/MAX1383 operate from a 4.75V

to 5.25V analog supply. A separate 1.8V to AVDD digi-

tal supply allows interfacing to low voltage logic without

the use of level translators.

10mW (Partial Power-Down)

5µW (Full Power-Down)

♦ 4.75V to 5.25V Low-Power Operation (MAX1383)

280mW (Normal Operation)

2.5µW (Full Power-Down)

Two power-down modes, partial and full, allow the

MAX1377/MAX1379 and MAX1383 (full power-down only)

to save power between conversions. Partial power-down

mode reduces the supply current to 2mA while leaving

the reference enabled for quick power-up. Full power-

down mode reduces the supply current to 1µA.

♦ 20MHz, SPI-Compatible, 3-Wire Serial Interface

User-Selectable Single (0.625Msps max) or Dual

Outputs (1.25Msps max)

♦ Input Range: 10V (MAX1383), 0ꢀV

REF

/2 (MAX1377/MAX1379)

♦ Small 20-Pin TQFN Package

The MAX1377/MAX1379 inputs accept voltages

SPI/QSPI are trademarks of Motorola, Inc.

between zero and the reference voltage or

/2.

REF

MICROWIRE is a trademark of National Semiconductor Corp.

The MAX1383 offers an input voltage range of 1ꢀV,

which is ideal for industrial and motor-control applica-

tions. The input to each of the ADCs supports either a

true-differential input or two single-ended inputs.

Functional Diagram

AVDD

AIN1A

AIN1B

The MAX1377/MAX1379/MAX1383 are available in a

2ꢀ-pin TQFN package, and are specified for the automo-

tive (-4ꢀ°C to +125°C) temperature range.

MAX1377

MAX1379

MAX1383

12-BIT

SAR

ADC1

MUX

T/H

DOUT1

OUTPUT

BUFFER

Applications

Bill Validation

REF

SERIAL

INTERFACE

AND TIMING

REFSEL

CNVST

SCLK

Motor Control

Communications

Data Acquisition

Portable Instruments

A = 1

INTERNAL

REFERENCE

RGND

U/B

S/D

CONTROL

LOGIC

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

2ꢀ TQFN-EP*

AIN2A

AIN2B

12-BIT

SAR

ADC2

T/H

MUX

DOUT2

OUTPUT

BUFFER

MAX1377ATP+

MAX1379ATP+

MAX1383ATP+

-4ꢀ°C to +125°C

AGND

SEL

DGND

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

*EP = Exposed pad.

Pin Configuration appears at end of data sheet.

________________________________________________________________ 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.

12 3 4 5 6 7...25

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与MAX1383相关器件

型号	品牌	获取价格	描述	数据表
MAX1383ATP+	MAXIM	获取价格	Dual, 12-Bit, 1.25Msps Simultaneous-Sampling ADCs with Serial Interface
MAX1385	MAXIM	获取价格	Dual RF LDMOS Bias Controllers with I2C/SPI Interface
MAX1385AETM+	MAXIM	获取价格	Dual RF LDMOS Bias Controllers with I2C/SPI Interface
MAX1385BETM+	MAXIM	获取价格	Dual RF LDMOS Bias Controllers with I2C/SPI Interface
MAX1385BETM+T	MAXIM	获取价格	Telecom Circuit, 1-Func, 7 X 7 MM, ROHS COMPLIANT, TQFN-48
MAX1386	MAXIM	获取价格	Dual RF LDMOS Bias Controllers with I2C/SPI Interface
MAX1386AETM+	MAXIM	获取价格	Dual RF LDMOS Bias Controllers with I2C/SPI Interface
MAX1386BETM+	MAXIM	获取价格	Dual RF LDMOS Bias Controllers with I2C/SPI Interface
MAX138C/D	MAXIM	获取价格	3Digit A/D Converters with Bandgap Refrence
MAX138CMH	MAXIM	获取价格	3Digit A/D Converters with Bandgap Refrence

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