Datasheet > MAX199

MAX199

更新时间： 2023-12-20 18:44:10

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	165K
描述
8通道、多量程、5V、12位DAS，8+4总线接口和故障保护

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中文翻译

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数据手册

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MAX199 数据手册

19-0401; Rev 0; 6/95

Mu lt i-Ra n g e (±4 V, ±2 V, +4 V, +2 V),

+5 V S u p p ly, 1 2 -Bit DAS w it h 8 +4 Bu s In t e rfa c e

MAX19

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

____________________________Fe a t u re s

♦ 12-Bit Resolution, 1/2LSB Linearity

♦ Single +5V Operation

The MAX199 multi-range, 12-bit data-acquisition system

(DAS) requires only a single +5V supply for operation,

and converts analog signals up to ±4V at its inputs. This

system provides eight analog input channels that are

independently software programmable for a variety of

♦ Software-Selectable Input Ranges:

±V

, ±V

, 0V to V

REF REF/2

REF

REF/2

♦ Internal 4.096V or External Reference

♦ Fault-Protected Input Multiplexer (±16.5V)

♦ 8 Analog Input Channels

♦ 6µs Conversion Time, 100ksps Sampling Rate

♦ Internal or External Acquisition Control

♦ Two Power-Down Modes

ranges: ±V

, ±V

, 0V to V

, or 0V to V

REF

REF/2

REF

REF/2

This increases effective dynamic range to 14 bits, and

provides the user flexibility to interface 4mA-to-20mA,

±12V, and ±15V powered sensors to a single +5V sys-

tem. In addition, the converter is fault-protected to

±16.5V; a fault condition on any channel will not affect

the conversion result of the selected channel. Other fea-

tures include a 5MHz bandwidth track/hold, 100ksps

throughput rate, internal/external clock, internal/external

acquisition control, 8+4 parallel interface, and operation

with an internal 4.096V or external reference.

♦ Internal or External Clock

______________Ord e rin g In fo rm a t io n

PART

TEMP. RANGE

0°C to +70°C

PIN-PACKAGE

28 Narrow Plastic DIP

28 Wide SO

A hardware SHDN pin and two programmable power-

down modes (STBYPD, FULLPD) provide low-current

shutdown between conversions. In STBYPD mode, the

reference buffer remains active, eliminating start-up

delays.

MAX199ACNI

MAX199BCNI

MAX199ACWI

MAX199BCWI

MAX199ACAI

MAX199BCAI

MAX199BC/D

28 Wide SO

The MAX199 employs a standard microprocessor (µP)

interface. Its three-state data I/O interface is configured

to operate with 8-bit data buses, and data-access and

bus-release timing specifications are compatible with

most popula r µPs. All logic inputs a nd outp uts a re

TTL/CMOS compatible.

28 SSOP

Dice*

Ordering Information continued at end of data sheet.

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

__________________P in Co n fig u ra t io n

The MAX199 is available in 28-pin DIP, wide SO, SSOP,

and ceramic SB packages.

TOP VIEW

For a different combination of input ranges (±10V, ±5V,

0V to 10V, 0V to 5V), see the MAX197 data sheet. For 12-

bit bus interfaces, see the MAX196/MAX198 data sheet.

CLK

28 DGND

REF

________________________Ap p lic a t io n s

Industrial-Control Systems

Robotics

REFADJ

INT

HBEN

SHDN

MAX199

CH7

Data-Acquisition Systems

Automatic Testing Systems

Medical Instruments

22 CH6

21 CH5

CH4

CH3

CH2

CH1

CH0

AGND

Telecommunications

D3/D11 11

D2/D10 12

D1/D9

D0/D8

Functional Diagram appears at end of data sheet.

DIP/SO/SSOP/Ceramic SB

________________________________________________________________ Maxim Integrated Products

Ca ll t o ll fre e 1 -8 0 0 -7 2 2 -8 2 6 6 fo r fre e s a m p le s o r lit e ra t u re .

12 3 4 5 6 7...16

中文翻译

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MAX1992ETG+	MAXIM	获取价格	Quick-PWM Step-Down Controllers
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MAX1993ETG	MAXIM	获取价格	Quick-PWM Step-Down Controllers with Inductor Saturation Protection and Dynamic Output Vol
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