MAX1263

更新时间： 2024-11-27 11:18:43

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
20页	287K
描述
250ksps, +3V, 8-/4-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface

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MAX1263 数据手册

19-2719; Rev 0; 04/03

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

with +2.5V Reference and Parallel Interface

General Description

Features

The MAX1261/MAX1263 low-power, 12-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

ꢀ 12-Bit Resolution, ±±0. ꢀLB ꢀineꢁaitꢂ

ꢀ +3V Lingle Opeaꢁtion

ꢀ Usea-Adjustꢁble ꢀogic ꢀevel (+108V to +306V)

ꢀ Inteanꢁl +20.V Refeaence

with a single +3V analog supply and feature a V

LOGIC

ꢀ Loftwꢁae-Configuaꢁble, Anꢁlog Input Multiplexea

8-Chꢁnnel Lingle Ended/

pin that allows them to interface directly with a +1.8V to

+5.5V digital supply.

4-Chꢁnnel Pseudo-Diffeaentiꢁl (MAX1261)

4-Chꢁnnel Lingle Ended/

2-Chꢁnnel Pseudo-Diffeaentiꢁl (MAX1263)

Power consumption is only 5.7mW (V

= V

) at

LOGIC

the maximum sampling rate of 250ksps. Two software-

selectable power-down modes enable the MAX1261/

MAX1263 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.

ꢀ Loftwꢁae-Configuaꢁble, Unipolꢁa/Bipolꢁa Inputs

ꢀ ꢀow Powea

109mA (2.±ksps)

10±mA (1±±ksps)

4±±µA (1±ksps)

2µA (Lhutdown)

Both devices offer software-configurable analog inputs

for unipolar/bipolar and single-ended/pseudo-differen-

tial operation. In single-ended mode, the MAX1261 has

eight input channels and the MAX1263 has four input

channels (four and two input channels, respectively,

when in pseudo-differential mode).

ꢀ Inteanꢁl 3MHz Full-Powea Bꢁndwidth Taꢁck/Hold

ꢀ Bꢂte-Wide Pꢁaꢁllel (8 + 4) Inteafꢁce

ꢀ Lmꢁll Footpaint

28-Pin QLOP (MAX1261)

24-Pin QLOP (MAX1263)

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.

Pin Configurations

TOP VIEW

The MAX1261 is available in a 28-pin QSOP package,

while the MAX1263 is available in a 24-pin QSOP. For

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

MAX1262/MAX1264 data sheet.

HBEN

LOGIC

26 REF

25 REFADJ

24 GND

23 COM

22 CH0

21 CH1

20 CH2

19 CH3

18 CH4

17 CH5

16 CH6

15 CH7

Applications

MAX1261

Industrial Control Systems

Energy Management

Data Logging

D3/D11

D2/D10

D1/D9

D0/D8

Patient Monitoring

Touch Screens

Data-Acquisition Systems

INT 10

RD 11

WR 12

CLK 13

CS 14

Ordering Information

INꢀ

PART

PIN-PACKAGE

TEMP RANGE

(ꢀLB)

0.5

0°C to +70°C

MAX1261ACEI

MAX1261BCEI

MAX1261AEEI

MAX1261BEEI

28 QSOP

QLOP

-40°C to +85°C

0.5

Pin Configurations continued at end of data sheet.

Ordering Information continued at end of data sheet.

Typical Operating Circuits appear 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.

12 3 4 5 6 7...20

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与MAX1263相关器件

型号	品牌	获取价格	描述	数据表
MAX1263ACEG	MAXIM	获取价格	250ksps, +3V, 8-/4-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1263ACEG-T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Parallel, Word Access, PDSO24, 0
MAX1263AEEG	MAXIM	获取价格	250ksps, +3V, 8-/4-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1263AEEG+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Parallel, Word Access, PDSO24, 0
MAX1263AEEG+T	MAXIM	获取价格	暂无描述
MAX1263AEEG-T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Parallel, Word Access, PDSO24, 0
MAX1263BCEG	MAXIM	获取价格	250ksps, +3V, 8-/4-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1263BCEG+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Parallel, Word Access, PDSO24, 0
MAX1263BCEG+T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Parallel, Word Access, PDSO24, 0
MAX1263BCEG-T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Parallel, Word Access, PDSO24, 0

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