MAX1248BEEE+

更新时间： 2024-11-24 13:10:23

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
24页	243K
描述
ADC, Successive Approximation, 10-Bit, 1 Func, 4 Channel, Serial Access, CMOS, PDSO16, 0.150 INCH, 0.025 INCH PITCH, QSOP-16

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技术参数
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替代型号

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MAX1248BEEE+ 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：	1.42	Is Samacsys：	N
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：	4.9 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：	4
位数：	10	功能数量：	1
端子数量：	16	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：	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：	0.0133 MHz
采样并保持/跟踪并保持：	TRACK	座面最大高度：	1.75 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：	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

MAX1248BEEE+ 数据手册

19-1072; Rev 2; 5/98

+2 .7 V t o +5 .2 5 V, Lo w -P o w e r, 4 -Ch a n n e l,

S e ria l 1 0 -Bit ADCs in QS OP -1 6

8/MAX1249

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

____________________________Fe a t u re s

The MAX1248/MAX1249 10-bit data-acquisition sys-

tems combine a 4-channel multiplexer, high-bandwidth

track/hold, and serial interface with high conversion

speed and low power consumption. They operate from

a s ing le +2.7V to +5.25V s up p ly, a nd the ir a na log

inputs are software configurable for unipolar/bipolar

and single-ended/differential operation.

♦ 4-Channel Single-Ended or 2-Channel

Differential Inputs

♦ Single +2.7V to +5.25V Operation

♦ Internal 2.5V Reference (MAX1248)

♦ 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-fa mily d ig ita l s ig na l p roc e s s ors . The

MAX1248/MAX1249 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

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

The MAX1248 has an internal 2.5V reference, while the

MAX1249 requires an external reference. Both parts

have a reference-buffer amplifier with a ±1.5% voltage

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

conversion. Accessing the serial interface automatically

p owe rs up the MAX1248/MAX1249, a nd the q uic k

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.

INL

(LSB)

PART^†

TEMP. RANGE PIN-PACKAGE

MAX1248ACPE 0°C to +70°C

16 Plastic DIP

16 QSOP

±1/2

±1

MAX1248BCPE

MAX1248ACEE

MAX1248BCEE

0°C to +70°C

±1/2

±1

16 QSOP

The MAX1248/MAX1249 are available in a 16-pin DIP

and a very small QSOP that occupies the same board

area as an 8-pin SO.

Ordering Information continued at end of data sheet.

†

Contact factory for availability of alternate surface-mount

packages.

For 8-c ha nne l ve rs ions of the s e d e vic e s , s e e the

MAX148/MAX149 data sheet.

________________________Ap p lic a t io n s

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

Portable Data Logging

Medical Instruments

Pen Digitizers

Data Acquisition

+3V

Battery-Powered Instruments

System Supervision

CH0

0.1µF

0V TO

+2.5V

ANALOG

INPUTS

DGND

MAX1248

CH3

AGND

COM

CPU

I/O

Pin Configuration appears at end of data sheet.

SCLK

SCK (SK)

MOSI (SO)

MISO (SI)

VREF

DIN

4.7µF

DOUT

SSTRB

SHDN

REFADJ

0.01µF

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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MAX1248BEEE+ 替代型号

型号	品牌	替代类型	描述	数据表
MAX1248BCEE+	MAXIM	完全替代	暂无描述
MAX1248BEEE+T	MAXIM	完全替代	ADC, Successive Approximation, 10-Bit, 1 Func, 4 Channel, Serial Access, CMOS, PDSO16, 0.1

与MAX1248BEEE+相关器件

型号	品牌	获取价格	描述	数据表
MAX1248BEEE+T	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 4 Channel, Serial Access, CMOS, PDSO16, 0.1
MAX1248BEEE-T	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 4 Channel, Serial Access, CMOS, PDSO16, 0.1
MAX1248BEPE	MAXIM	获取价格	+2.7V to +5.25V, Low-Power, 4-Channel, Serial 10-Bit ADCs in QSOP-16
MAX1248BMJE	MAXIM	获取价格	+2.7V to +5.25V, Low-Power, 4-Channel, Serial 10-Bit ADCs in QSOP-16
MAX1248-MAX1249	MAXIM	获取价格	2x4-Channel, Simultaneous-Sampling 14-Bit DAS
MAX1249	MAXIM	获取价格	+2.7V to +5.25V, Low-Power, 4-Channel, Serial 10-Bit ADCs in QSOP-16
MAX1249	ADI	获取价格	+2.7V至+5.25V、低功耗、4通道、串行、10位ADC，QSOP-16封装
MAX1249ACEE	MAXIM	获取价格	+2.7V to +5.25V, Low-Power, 4-Channel, Serial 10-Bit ADCs in QSOP-16
MAX1249ACEE+	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 4 Channel, Serial Access, CMOS, PDSO16, 0.1
MAX1249ACEE+T	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 4 Channel, Serial Access, CMOS, PDSO16, 0.1

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