參數(shù)資料
型號(hào)： MAX199BEWI+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 0K
描述： IC DAS 12BIT 8CH 28-SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1,000
類型： 數(shù)據(jù)采集系統(tǒng)（DAS）
分辨率（位）： 12 b
采樣率（每秒）： 100k
數(shù)據(jù)接口： 并聯(lián)
電壓電源： 單電源
電源電壓： 4.75 V ~ 5.25 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 28-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 28-SOIC W
包裝： 帶卷 (TR)
_______________General Description
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
ranges: ±VREF, ±VREF/2, 0V to VREF, or 0V to VREF/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.
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.
The MAX199 employs a standard microprocessor (P)
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 popular Ps. All logic inputs and outputs are
TTL/CMOS compatible.
The MAX199 is available in 28-pin DIP, wide SO, SSOP,
and ceramic SB packages.
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.
________________________Applications
Industrial-Control Systems
Robotics
Data-Acquisition Systems
Automatic Testing Systems
Medical Instruments
Telecommunications
____________________________Features
o 12-Bit Resolution, 1/2LSB Linearity
o Single +5V Operation
o Software-Selectable Input Ranges:
±VREF, ±VREF/2, 0V to VREF, 0V to VREF/2
o Internal 4.096V or External Reference
o Fault-Protected Input Multiplexer (±16.5V)
o 8 Analog Input Channels
o 6s Conversion Time, 100ksps Sampling Rate
o Internal or External Acquisition Control
o Two Power-Down Modes
o Internal or External Clock
MAX199
Multi-Range (±4V, ±2V, +4V, +2V),
+5V Supply, 12-Bit DAS with 8+4 Bus Interface
________________________________________________________________
Maxim Integrated Products
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DGND
VDD
REF
REFADJ
INT
CH7
AGND
CH6
CH5
CH4
CH3
CH2
CH1
CH0
D0/D8
D1/D9
D2/D10
D3/D11
D4
D5
D6
D7
SHDN
HBEN
RD
WR
CS
CLK
DIP/SO/SSOP/Ceramic SB
TOP VIEW
MAX199
__________________Pin Configuration
Call toll free 1-800-722-8266 for free samples or literature.
19-0401; Rev 0; 6/95
PART
MAX199ACNI
MAX199BCNI
MAX199ACWI
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
28 Narrow Plastic DIP
28 Wide SO
______________Ordering Information
MAX199BCWI
0°C to +70°C
28 Wide SO
MAX199ACAI
0°C to +70°C
28 SSOP
MAX199BCAI
0°C to +70°C
28 SSOP
MAX199BC/D
0°C to +70°C
Dice*
Functional Diagram appears at end of data sheet.
Ordering Information continued at end of data sheet.
*Dice are specified at TA = +25°C, DC parameters only.
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