Datasheet > MAX1240_101

MAX1240_101

更新时间： 2024-11-26 11:18:47

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
15页	215K
描述
+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO

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MAX1240_101 数据手册

19-1155; Rev 4; 6/10

+2.7V, Low-Power,

12-Bit Serial ADCs in 8-Pin SO

__________________General Description

________________________________Features

♦ Single-Supply Operation:

+2.7V to +3.6V (MAX1240)

+2.7V to +5.25V (MAX1241)

The MAX1240/MAX1241 low-power, 12-bit analog-to-

digital converters (ADCs) are available in 8-pin pack-

ages. The MAX1240 operates with a single +2.7V to

+3.6V supply, and the MAX1241 operates with a single

+2.7V to +5.25V supply. Both devices feature a 7.5µs

successive-approximation ADC, a fast track/hold

(1.5µs), an on-chip clock, and a high-speed, 3-wire ser-

ial interface.

♦ 12-Bit Resolution

♦ Internal 2.5V Reference (MAX1240)

♦ Small Footprint: 8-Pin DIP/SO Packages

♦ Low Power: 3.7µW (73ksps, MAX1240)

3mW (73ksps, MAX1241)

Power consumption is only 37mW (V

= 3V) at the

66µW (1ksps, MAX1241)

5µW (power-down mode)

73ksps maximum sampling speed. A 2µA shutdown

mode reduces power at slower throughput rates.

♦ Internal Track/Hold

The MAX1240 has an internal 2.5V reference, while the

MAX1241 requires an external reference. The MAX1241

♦ SPI/QSPI/MICROWIRE 3-Wire Serial Interface

♦ Internal Clock

accepts signals from 0V to V

, and the reference

REF

Ordering Information

input range includes the positive supply rail. An exter-

nal clock accesses data from the 3-wire interface,

which connects directly to standard microcontroller I/O

ports. The interface is compatible with SPI™, QSPI™,

and MICROWIRE™.

PIN-

INL

PART*

TEMP RANGE

PACKAGE (LSB)

MAX1240ACPA+

MAX1240BCPA+

MAX1240CCPA+

MAX1240ACSA+

MAX1240BCSA+

MAX1240CCSA+

MAX1240BC/DDD

0°C to +70°C 8 PDIP

0°C to +70°C 8 SO

0°C to +70°C Dice*

1/2

Excellent AC characteristics and very low power com-

bined with ease of use and small package size make

these converters ideal for remote-sensor and data-

acquisition applications, or for other circuits with

demanding power consumption and space require-

ments. The MAX1240/MAX1241 are available in 8-pin

PDIP and SO packages.

1/2

MAX1240AESA/V+** -40°C to +85°C 8 SO

MAX1240BESA/V+ -40°C to +85°C 8 SO

Ordering Information continued at end of data sheet.

1/2

Applications

Battery-Powered Systems

Portable Data Logging

Isolated Data Acquisition

Process Control

*Dice are specified at T = +25°C, DC parameters only.

**Future product—contact factory for availability.

/V denotes an automotive qualified part.

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

Functional Diagram

Instrumentation

Pin Configuration

SCLK

TOP VIEW

CONTROL

LOGIC

INT

CLOCK

SHDN

OUTPUT

SHIFT

DOUT

SCLK

AIN

SHDN

REF

12-BIT

SAR

MAX1240

MAX1241

T/H

AIN

REF

DOUT

GND

2.5V REFERENCE

(MAX1240 ONLY)

MAX1240

MAX1241

DIP/SO

GND

SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp.

________________________________________________________________ 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...15

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与MAX1240_101相关器件

型号	品牌	获取价格	描述	数据表
MAX1240ACPA	MAXIM	获取价格	+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO
MAX1240ACPA	ROCHESTER	获取价格	1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8, PLASTIC, DIP-8
MAX1240ACPA+	MAXIM	获取价格	+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO
MAX1240ACSA	MAXIM	获取价格	+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO
MAX1240ACSA	ROCHESTER	获取价格	1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, SOIC-8
MAX1240ACSA+	MAXIM	获取价格	+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO
MAX1240ACSA+T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDSO8, 0.15
MAX1240ACSA-T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDSO8, 0.15
MAX1240AEPA	MAXIM	获取价格	+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO
MAX1240AEPA+	MAXIM	获取价格	+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO

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