參數(shù)資料
型號(hào)： ADC12048EVAL
廠商： National Semiconductor Corporation
英文描述： 12-Bit Plus Sign 216 kHz 8-Channel Sampling Analog-to-Digital Converter
中文描述： 12位帶符號(hào)216 kHz的8聲道采樣模擬到數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù)： 1/30頁(yè)
文件大小： 635K
代理商： ADC12048EVAL
ADC12048
12-Bit Plus Sign 216 kHz 8-Channel Sampling
Analog-to-Digital Converter
General Description
Operating from a single 5V power supply, theADC12048 is a
12 bit + sign, parallel I/O, self-calibrating, sampling
analog-to-digital converter (ADC) with an eight input fully dif-
ferential analog multiplexer. The maximum sampling rate is
216 kHz.
On
request,
the
self-calibration process that adjusts linearity, zero and
full-scale errors.
TheADC12048’s 8-channel multiplexer is software program-
mable
to
operate
in
a
variety
single-ended, differential, or pseudo-differential modes. The
fully differential MUX and the 12-bit + signADC allows for the
difference between two signals to be digitized.
TheADC12048 can be configured to work with many popular
microprocessors/microcontrollers and DSPs including Na-
tional’s HPC family, Intel386 and 8051, TMS320C25, Mo-
torola MC68HC11/16, Hitachi 64180 and Analog Devices
ADSP21xx.
For complementary voltage references see the LM4040,
LM4041 or LM9140.
ADC
goes
through
a
of
combinations
of
Features
n
8-channel programmable Differential or Single-Ended
multiplexer
n
Programmable Acquisition Times and user-controllable
Throughput Rates
n
Programmable data bus width (8/13 bits)
n
Built-in Sample-and-Hold
n
Programmable Auto-Calibration and Auto-Zero cycles
n
Low power standby mode
n
No missing codes
Key Specifications
(f
CLK
= 12 MHz)
n
Resolution
n
13-bit conversion time
n
13-bit throughput rate
n
Integral Linearity Error (ILE)
n
Single Supply
n
V
IN
Range
n
Power consumption
— Normal operation
— Stand-by mode
12-bits + sign
3.6 μs, max
216 ksamples/s, min
±
1 LSB, max
+5V
±
10%
GND to V
A
+
34 mW, max
75 μw, max
Applications
n
Medical instrumentation
n
Process control systems
n
Test equipment
n
Data logging
n
Inertial guidance
Block Diagram
TRI-STATE
is a registered trademark of National Semiconductor Corporation.
DS012387-1
April 2000
A
2000 National Semiconductor Corporation
DS012387
www.national.com
相關(guān)PDF資料
PDF描述
ADC12048CIVF 12-Bit Plus Sign 216 kHz 8-Channel Sampling Analog-to-Digital Converter
ADC12048 12-Bit Plus Sign 216 kHz 8-Channel Sampling Analog-to-Digital Converter
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