MAX1247BCEE+

更新时间： 2024-11-25 12:59:35

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
25页	343K
描述
ADC, Successive Approximation, 12-Bit, 1 Func, 4 Channel, Serial Access, CMOS, PDSO16, 0.150 INCH, 0.025 INCH PITCH, QSOP-16

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MAX1247BCEE+ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SOIC
包装说明：	SSOP, SSOP16,.25	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	6 weeks
风险等级：	0.68	最大模拟输入电压：	1.25 V
最小模拟输入电压：	-1.25 V	最长转换时间：	65 µs
转换器类型：	ADC, SUCCESSIVE APPROXIMATION	JESD-30 代码：	R-PDSO-G16
JESD-609代码：	e3	长度：	4.89 mm
最大线性误差 (EL)：	0.0244%	湿度敏感等级：	1
模拟输入通道数量：	4	位数：	12
功能数量：	1	端子数量：	16
最高工作温度：	70 °C	最低工作温度：
输出位码：	BINARY, 2'S COMPLEMENT BINARY	输出格式：	SERIAL
封装主体材料：	PLASTIC/EPOXY	封装代码：	SSOP
封装等效代码：	SSOP16,.25	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
电源：	3/5 V	认证状态：	Not Qualified
采样速率：	0.133 MHz	采样并保持/跟踪并保持：	TRACK
座面最大高度：	1.73 mm	子类别：	Analog to Digital Converters
标称供电电压：	3.6 V	表面贴装：	YES
技术：	CMOS	温度等级：	COMMERCIAL
端子面层：	Matte Tin (Sn)	端子形式：	GULL WING
端子节距：	0.635 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	30	宽度：	3.9 mm
Base Number Matches：	1

MAX1247BCEE+ 数据手册

19-1071; Rev 2; 10/01

+2.7V, Low-Power, 4-Channel,

Serial 12-Bit ADCs in QSOP-16

General Description

Features

The MAX1246/MAX1247 12-bit data-acquisition systems

combine a 4-channel multiplexer, high-bandwidth

track/hold, and serial interface with high conversion

speed and low power consumption. The MAX1246 oper-

ates from a single +2.7V to +3.6V supply; the MAX1247

operates from a single +2.7V to +5.25V supply. Both

devices’ analog inputs are software configurable for

unipolar/bipolar and single-ended/differential operation.

ꢀ 4-Channel Single-Ended or 2-Channel

Differential Inputs

ꢀ Single-Supply Operation:

+2.7V to +3.6V (MAX1246)

+2.7V to +5.25V (MAX1247)

ꢀ Internal 2.5V Reference (MAX1246)

ꢀ Low Power: 1.2mA (133ksps, 3V supply)

54µA (1ksps, 3V supply)

The 4-wire serial interface connects directly to SPI™/

QSPI™ and MICROWIRE™ devices without external

logic. A serial strobe output allows direct connection to

TMS320-family digital signal processors. The MAX1246/

MAX1247 use either the internal clock or an external seri-

al-interface clock to perform successive-approximation

analog-to-digital conversions.

1µA (power-down mode)

ꢀ SPI/QSPI/MICROWIRE/TMS320-Compatible

4-Wire Serial Interface

ꢀ Software-Configurable Unipolar or Bipolar Inputs

ꢀ 16-Pin QSOP Package (same area as 8-pin SO)

The MAX1246 has an internal 2.5V reference, while the

MAX1247 requires an external reference. Both parts have

a reference-buffer amplifier with a 1.5ꢀ voltage-

adjustment range. These devices provide a hard-wired

SHDN pin and a software-selectable power-down, and

can be programmed to automatically shut down at the

end of a conversion. Accessing the serial interface auto-

matically powers up the MAX1246/MAX1247, and the

quick turn-on time allows them to be shut down between

all conversions. This technique can cut supply current to

under 60µA at reduced sampling rates. The MAX1246/

MAX1247 are available in a 16-pin DIP and a small QSOP

that occupies the same board area as an 8-pin SO.

Ordering Information

INL

(LSB)

PART

TEMP RANGE PIN-PACKAGE

MAX1246ACPE 0°C to +70°C

16 Plastic DIP

16 QSOP

1/2

MAX1246BCPE

MAX1246ACEE

MAX1246BCEE

0°C to +70°C

1/2

16 QSOP

Ordering Information continued at end of data sheet.

For 8-channel versions of these devices, see the

MAX146/MAX147 data sheet.

________________________Applications

__________Typical Operating Circuit

Portable Data Logging

Medical Instruments

Pen Digitizers

+3V

CH0

0.1µF

Data Acquisition

0V TO

+2.5V

DGND

Battery-Powered Instruments

Process Control

ANALOG

INPUTS

MAX1246

CH3

AGND

COM

CPU

I/O

VREF

4.7µF

SCLK

SCK (SK)

MOSI (SO)

MISO (SI)

DIN

Pin Configuration appears at end of data sheet.

DOUT

REFADJ

0.047µF

SSTRB

SHDN

SPI and QSPI are registered trademarks of Motorola, Inc.

MICROWIRE is a registered trademark of National

Semiconductor Corp.

________________________________________________________________ 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...25

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MAX1247BCEE+ 替代型号

型号	品牌	替代类型	描述	数据表
MAX1247AEEE+	MAXIM	类似代替	ADC, Successive Approximation, 12-Bit, 1 Func, 4 Channel, Serial Access, CMOS, PDSO16, 0.1

与MAX1247BCEE+相关器件

型号	品牌	获取价格	描述	数据表
MAX1247BCEE-T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 4 Channel, Serial Access, CMOS, PDSO16, 0.1
MAX1247BCPE	MAXIM	获取价格	+2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16
MAX1247BCPE+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 4 Channel, Serial Access, CMOS, PDIP16, 0.3
MAX1247BEEE	MAXIM	获取价格	+2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16
MAX1247BEPE	MAXIM	获取价格	+2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16
MAX1247BMJE	MAXIM	获取价格	+2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16
MAX1247CCEE	MAXIM	获取价格	+2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16
MAX1247CEEE	MAXIM	获取价格	+2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16
MAX1247EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX1246/MAX1247
MAX1247EVKIT-QSOP	MAXIM	获取价格	Convenient On-Board Test Points

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