MAX1091AEEI+

更新时间： 2024-10-03 13:10:19

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数据手册

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MAX1091AEEI+ 数据手册

19-1638; Rev 2; 12/02

250ksps, +3V, 8-/4-Channel, 10-Bit ADCs

with +2.5V Reference and Parallel Interface

General Description

Features

The MAX1091/MAX1093 low-power, 10-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

ꢀ 10-Bit Resolution, 0ꢀ. ꢁLB ꢁineꢂaitꢃ

ꢀ +3V Lingle-Lupplꢃ Opeaꢂtion

ꢀ Usea-Adjustꢂble ꢁogic ꢁevel (+1ꢀ8V to +3ꢀ6V)

ꢀ Inteanꢂl +2ꢀ.V Refeaence

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

LOGIC

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

+3.6V digital supply.

ꢀ Loftwꢂae-Configuaꢂble, Anꢂlog Input Multiplexea

8-Chꢂnnel Lingle-Ended/

Power consumption is only 5.7mW (V = V

) at the

LOGIC

4-Chꢂnnel Pseudo-Diffeaentiꢂl (MAX1091)

4-Chꢂnnel Lingle-Ended/

2-Chꢂnnel Pseudo-Diffeaentiꢂl (MAX1093)

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

table power-down modes enable the MAX1091/

MAX1093 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.

ꢀ Loftwꢂae-Configuaꢂble, Unipolꢂa/Bipolꢂa Inputs

ꢀ ꢁow Powea

1ꢀ9mA (2.0ksps)

1ꢀ0mA (100ksps)

400µA (10ksps)

2µA (Lhutdown)

Both devices offer software-configurable analog inputs

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

tial operation. In single-ended mode, the MAX1091 has

eight input channels and the MAX1093 has four input

channels (four and two input channels, respectively,

when in pseudo-differential mode).

ꢀ Inteanꢂl 3MHz Full-Powea Bꢂndwidth Taꢂck/Hold

ꢀ Bꢃte-Wide Pꢂaꢂllel (8 + 2) Inteafꢂce

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.

ꢀ Lmꢂll Footpaint: 28-Pin QLOP (MAX1091)

24-Pin QLOP (MAX1093)

Pin Configurations

The MAX1091/MAX1093 tri-states INT when CS goes

high. Refer to MAX1061/MAX1063 if tri-stating INT is not

desired.

TOP VIEW

HBEN

LOGIC

The MAX1091 is available in a 28-pin QSOP package,

while the MAX1093 is available in a 24-pin QSOP. For

pin-compatible +5V, 10-bit versions, refer to the

MAX1090/MAX1092 data sheet.

22 REF

21 REFADJ

20 GND

19 COM

Applications

MAX1093

Industrial Control Systems

Energy Management

Data Logging

Patient Monitoring

Touch Screens

18 CH0

17 CH1

Data-Acquisition Systems

D1/D9

D0/D8

16 CH2

15 CH3

14 CS

Ordering Information

INT 10

RD 11

WR 12

INꢁ

PART

PIN-PACKAGE

TEMP RANGE

(ꢁLB)

0.5

0°C to +70°C

MAX1091ACEI

MAX1091BCEI

MAX1091AEEI

MAX1091BEEI

28 QSOP

13 CLK

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MAX1091AEEI+相关器件

型号	品牌	获取价格	描述	数据表
MAX1091AEEI+T	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 8 Channel, Parallel, 8 Bits Access, PDSO28,
MAX1091AEEI-T	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 8 Channel, Parallel, 8 Bits Access, PDSO28,
MAX1091BCEI	MAXIM	获取价格	250ksps, +3V, 8-/4-Channel, 10-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1091BCEI+T	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 8 Channel, Parallel, 8 Bits Access, PDSO28,
MAX1091BCEI-T	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 8 Channel, Parallel, 8 Bits Access, PDSO28,
MAX1091BEEI	MAXIM	获取价格	250ksps, +3V, 8-/4-Channel, 10-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1091BEEI+	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 8 Channel, Parallel, 8 Bits Access, PDSO28,
MAX1091BEEI+T	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 8 Channel, Parallel, 8 Bits Access, PDSO28,
MAX1092	MAXIM	获取价格	400ksps.+5V.8-/4-Channel.10-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1092	ADI	获取价格	400ksps、+5V、8/4通道、10位ADC，带有+2.5V电压基准及并行接口

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