MAX148BEAP

更新时间： 2024-09-27 22:24:23

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
24页	221K
描述
+2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs

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MAX148BEAP 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	SSOP
包装说明：	SSOP-20	针数：	20
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	1 week
风险等级：	5.05	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-G20
JESD-609代码：	e0	长度：	7.2 mm
最大线性误差 (EL)：	0.0977%	湿度敏感等级：	1
模拟输入通道数量：	8	位数：	10
功能数量：	1	端子数量：	20
最高工作温度：	85 °C	最低工作温度：	-40 °C
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：	TSSOP
封装等效代码：	SSOP20,.3	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	245
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：	SAMPLE
座面最大高度：	1.99 mm	子类别：	Analog to Digital Converters
标称供电电压：	3 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	Tin/Lead (Sn85Pb15)	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	5.29 mm
Base Number Matches：	1

MAX148BEAP 数据手册

19-0464; Rev 2; 5/98

+2.7V to +5.25V, Lo w -P o w e r, 8 -Ch a n n e l,

S e ria l 1 0 -Bit ADCs

8/MAX149

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

____________________________Fe a t u re s

The MAX148/MAX149 10-bit data-acquisition systems

c omb ine a n 8-c ha nne l multip le xe r, hig h-b a nd wid th

track/hold, and serial interface with high conversion

speed and low power consumption. They operate from a

single +2.7V to +5.25V supply, and sample to 133ksps.

Both devices’ analog inputs are software configurable for

unipolar/bipolar and single-ended/differential operation.

♦ 8-Channel Single-Ended or 4-Channel

Differential Inputs

♦ Single-Supply Operation: +2.7V to +5.25V

♦ Internal 2.5V Reference (MAX149)

♦ 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 MAX148/

MAX149 use either the internal clock or an external serial-

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

♦ 20-Pin DIP/SSOP Packages

The MAX149 has an internal 2.5V reference, while the

MAX148 requires an external reference. Both parts have

a re fe re nc e -b uffe r a mp lifie r with a ± 1.5% volta g e -

adjustment range.

Ord e rin g In fo rm a t io n

These devices provide 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 con-

version. Accessing the serial interface automatically

powers up the MAX148/MAX149, and the quick turn-on

time allows them to be shut down between all conver-

sions. This technique can cut supply current to under

60µA at reduced sampling rates.

INL

(LSB)

PART^†

TEMP. RANGE PIN-PACKAGE

MAX148ACPP

MAX148BCPP

MAX148ACAP

MAX148BCAP

0°C to +70°C

20 Plastic DIP

20 SSOP

±1/2

±1

±1/2

±1

20 SSOP

Ordering Information continued at end of data sheet.

Contact factory for availability of alternate surface-mount

packages.

†

The MAX148/MAX149 are available in a 20-pin DIP and a

20-pin SSOP.

For 4-c ha nne l ve rs ions of the s e d e vic e s , s e e the

MAX1248/MAX1249 data sheet.

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

________________________Ap p lic a t io n s

+3V

Portable Data Logging

Medical Instruments

Pen Digitizers

Data Acquisition

CH0

0.1µF

0V TO

+2.5V

ANALOG

INPUTS

DGND

Battery-Powered Instruments

Process Control

MAX149

CH7

AGND

COM

CPU

I/O

VREF

4.7µF

SCLK

SCK (SK)

MOSI (SO)

MISO (SI)

DIN

DOUT

REFADJ

0.01µF

SSTRB

SHDN

Pin Configuration appears at end of data sheet.

SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a 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.

For small orders, phone 408-737-7600 ext. 3468.

12 3 4 5 6 7...24

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MAX148BEAP 替代型号

型号	品牌	替代类型	描述	数据表
MAX148AEAP+T	MAXIM	完全替代	ADC, Successive Approximation, 10-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20, 0.2
MAX148BCAP+T	MAXIM	完全替代	ADC, Successive Approximation, 10-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20, 0.2
MAX148BCAP+	MAXIM	类似代替	2.7V to 5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs

与MAX148BEAP相关器件

型号	品牌	获取价格	描述	数据表
MAX148BEPP	MAXIM	获取价格	+2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs
MAX148BMJP	MAXIM	获取价格	+2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs
MAX148BMJP+	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 8 Channel, Serial Access, CDIP20, CERDIP-20
MAX148-MAX149	MAXIM	获取价格	+2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs
MAX148X1EVKIT	MAXIM	获取价格	Operates From a Single 3.3V Supply
MAX149	MAXIM	获取价格	+2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs
MAX149	ADI	获取价格	+2.7V至+5.25V、低功耗、8通道、串行10位ADC
MAX14900E	ADI	获取价格	八通道、高速、工业高边开关
MAX14906	MAXIM	获取价格	Evaluation Kit
MAX14906	ADI	获取价格	四通道工业数字输出、数字输入

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