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參數(shù)資料
| 型號： | MAX7651 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Flash Programmable 12-Bit Integrated Data-Acquisition Systems |
| 中文描述： | 閃存、可編程、12位、集成數(shù)據(jù)采集系統(tǒng) |
| 文件頁數(shù)： | 1/36頁 |
| 文件大小： | 479K |
| 代理商： | MAX7651 |
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General Description
The MAX7651/MAX7652 are complete 12-bit data-acqui-
sition systems featuring an algorithmic, switched-capaci-
tor, analog-to-digital converter (ADC), a pulse-
width-modulated digital-to-analog converter (DAC), three
timer/counters, and an industry-standard 8051 micro-
processor core with a variety of I/O peripherals. Power-
down capability and full functionality with supply voltages
as low as +3V make the MAX7651/MAX7652 suitable for
portable and power-sensitive applications.
The MAX7651/MAX7652 perform fully differential voltage
measurements with 12-bit resolution, programmable gain,
and separate track-and-hold for both positive and nega-
tive inputs. The converter accepts versatile input modes
consisting of four 2-channel signal pairs or eight 1-chan-
nel signals relative to a floating common.
The MAX7651/MAX7652 microprocessor systems feature
a CPU, 256 bytes of RAM, two 8kB flash memory, four
8-bit I/O ports, two UARTs, an interrupt controller, and a
watchdog timer. Only four clock cycles are required to
complete each microprocessor instruction.
The MAX7651/MAX7652 are available in 64-pin TQFP
packages.
Applications
Hand-Held Instruments
Portable Data-Acquisition Systems
Temperature Controllers
Smart Transmitters
Data Loggers
Multi-Channel Data-Acquisition with Data Formatting
Features
o
12-Bit 53ksps ADC with Fully Differential Inputs
o
Dual 8-Bit PWM DAC Outputs
o
Three Timers
o
4-Clock Cycle 8051-Compatible Instruction Set
with Dual Data Pointers
o
Programmable Watchdog Supervisor
o
Four Parallel I/O Ports
o
Dual Serial I/O Ports (up to 375kb)
o
+3V or +5V Single-Supply Operation
o
DC to 12MHz Clock Speed
o
64-Pin TQFP Package
M
Flash Programmable 12-Bit Integrated
Data-Acquisition Systems
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
256 BYTES
RAM
WATCHDOG
TIMER
SERIAL
PORT 0
TXD
RXD
8k BYTE
FLASH
2000H–
3FCOH
SERIAL
PORT 1
TXD
RXD
INT0
INT1
EXT MEM
TIMER 0
TIMER 1
TIMER 2
T0 T1 T2
T2_OUT
T2_OUT
PWMA
OUTPUT
PWMB
OUTPUT
AIN0
AIN7
REF+
REF-
ACOM
ANALOG
INPUTS
FOUR
8-BIT
I/O
PORTS
8k BYTE
FLASH
0000H–
1FFFH
PULSE-
WIDTH
MODULATOR
MEMORY ADDRESS
AND DATA BUSES
SFR BUS
12-BIT
A/D
CONVERTER
INTERRUPT
CONTROLLER
8051
CPU
UPPER
LOWER
MAX7651
MAX7652
Functional Diagram
19-2119; Rev 0; 8/01
Ordering Information
PART
TEMP. RANGE
0
°
C to +70
°
C
-40
°
C to +85
°
C
0
°
C to +70
°
C
-40
°
C to +85
°
C
PIN-PACKAGE
64 TQFP
64 TQFP
64 TQFP
MAX7651
CCB
MAX7651ECB
MAX7652
CCB
MAX7652ECB
64 TQFP
Pin configuration appears at end of data sheet.
相關PDF資料 |
PDF描述 |
|---|---|
| MAX7651CCB | Flash Programmable 12-Bit Integrated Data-Acquisition Systems |
| MAX7651ECB | Flash Programmable 12-Bit Integrated Data-Acquisition Systems |
| MAX7652CCB | Flash Programmable 12-Bit Integrated Data-Acquisition Systems |
| MAX7652ECB | Flash Programmable 12-Bit Integrated Data-Acquisition Systems |
| MAX766ESA | -5V/-12V/-15V or Adjustable, High-Efficiency, Low IQ DC-DC Inverters |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX7651CCB | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX7651ECB | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX7651EVKIT | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX7652CCB | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX7652ECB | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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