MAX1245BCPP+

更新时间： 2024-11-06 13:10:23

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
20页	152K
描述
ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDIP20, PLASTIC, DIP-20

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技术参数
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替代型号

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MAX1245BCPP+ 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：	DIP
包装说明：	DIP, DIP20,.3	针数：	20
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	1.64
最大模拟输入电压：	1.024 V	最小模拟输入电压：	-1.024 V
最长转换时间：	65 µs	转换器类型：	ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码：	R-PDIP-T20	JESD-609代码：	e3
长度：	26.16 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：	8
位数：	12	功能数量：	1
端子数量：	20	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：	DIP	封装等效代码：	DIP20,.3
封装形状：	RECTANGULAR	封装形式：	IN-LINE
峰值回流温度（摄氏度）：	260	电源：	2.5/3 V
认证状态：	Not Qualified	采样速率：	0.1 MHz
采样并保持/跟踪并保持：	TRACK	座面最大高度：	4.572 mm
子类别：	Analog to Digital Converters	标称供电电压：	2.375 V
表面贴装：	NO	技术：	CMOS
温度等级：	COMMERCIAL	端子面层：	Matte Tin (Sn)
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	7.62 mm	Base Number Matches：	1

MAX1245BCPP+ 数据手册

19-1066; Rev 0; 6/96

+2 .3 7 5 V, Lo w -P o w e r, 8 -Ch a n n e l,

S e ria l 1 2 -Bit ADC

MAX1245

________________Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

The MAX1245 12-bit data-acquisition system combines

an 8-channel multiplexer, high-bandwidth track/hold, and

serial interface with high conversion speed and ultra-low

power consumption. It operates from a single +2.375V to

+3.3V supply, and its analog inputs are software config-

urable for unipolar/bipolar and single-ended/differential

operation.

♦ Single +2.375V to +3.3V Operation

♦ 8-Channel Single-Ended or 4-Channel

Differential Analog Inputs

♦ Low Power: 0.8mA (100ksps)

10µA (1ksps)

1µA (power-down mode)

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

QSPI™, and Microwire™ devices without external logic.

A s e ria l s trob e outp ut a llows d ire c t c onne c tion to

TMS320-family digital signal processors. The MAX1245

works with an external reference, and uses either the

internal clock or an external serial-interface clock to

perform successive-approximation analog-to-digital

conversions.

♦ Internal Track/Hold, 100kHz Sampling Rate

♦ SPI/QSPI/Microwire/TMS320-Compatible

4-Wire Serial Interface

♦ Software-Configurable Unipolar or Bipolar Inputs

♦ 20-Pin DIP/SSOP Packages

________________Ord e rin g In fo rm a t io n

This device provides a hard-wired SHDN pin and a

s oftwa re -s e le c ta b le p owe r-d own, a nd c a n b e p ro-

grammed to automatically shut down at the end of a

conversion. Accessing the serial interface powers up

the MAX1245, and the quick turn-on time allows it to be

shut down between conversions. This technique can

cut supply current to under 10µA at reduced sampling

rates.

INL

(LSB)

PART^†

TEMP. RANGE PIN-PACKAGE

MAX1245ACPP

MAX1245BCPP

MAX1245ACAP

MAX1245BCAP

MAX1245BC/D

0°C to +70°C

20 Plastic DIP

20 SSOP

±1/2

±1

±1/2

±1

20 SSOP

The MAX1245 is available in a 20-pin DIP package and

an SSOP that occupies 30% less area than an 8-pin DIP.

For supply voltages from +2.7V to +5.25V, use the pin-

compatible MAX147.

Dice*

±1

Ordering Information continued at end of data sheet.

†

Contact factory for availability of alternate surface-mount

packages.

* Contact factory for availability.

________________________Ap p lic a t io n s

Portable Data Logging

Medical Instruments

Data Acquisition

___________________P in Co n fig u ra t io n

Battery-Powered Instruments

TOP VIEW

___________Typ ic a l Op e ra t in g Circ u it

CH0

CH1

+2.5V

SCLK

CH2

CH0

CH7

0V to

+2.048V

ANALOG

INPUTS

0.1µF

MAX1245

CH3

DIN

DGND

AGND

COM

CH4

16 SSTRB

15 DOUT

CH5

CPU

MAX1245

CH6

DGND

AGND

I/O

SCLK

DIN

CH7

SCK (SK)*

MOSI (SO)

MISO (SI)

VREF

+2.048V

0.1µF

COM

SHDN

DOUT

11 VREF

SSTRB

SHDN

DIP/SSOP

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

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

12 3 4 5 6 7...20

中文翻译

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MAX1245BCPP+ 替代型号

型号	品牌	替代类型	描述	数据表
MAX1245BCPP	MAXIM	类似代替	+2.375V, Low-Power, 8-Channel, Serial 12-Bit ADC

与MAX1245BCPP+相关器件

型号	品牌	获取价格	描述	数据表
MAX1245BEAP	MAXIM	获取价格	+2.375V, Low-Power, 8-Channel, Serial 12-Bit ADC
MAX1245BEAP+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20, 0.2
MAX1245BEAP+T	MAXIM	获取价格	暂无描述
MAX1245BEAP-T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20, SSO
MAX1245BEPP	MAXIM	获取价格	+2.375V, Low-Power, 8-Channel, Serial 12-Bit ADC
MAX1245BEPP+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDIP20, PLA
MAX1246	MAXIM	获取价格	+2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16
MAX1246	ADI	获取价格	+2.7V、低功耗、4通道、串行12位ADC，QSOP-16封装
MAX1246_07	MAXIM	获取价格	+2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16
MAX1246ACEE	MAXIM	获取价格	+2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16

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