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參數(shù)資料
| 型號： | ML2283CIP |
| 元件分類： | 串行ADC |
| 英文描述： | Serial I/O 8-Bit A/D Converters |
| 中文描述： | 串行I / O 8位A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 357K |
| 代理商： | ML2283CIP |
May 1997
ML2280
*
, ML2283
**
Serial I/O 8-Bit A/D Converters
BLOCK DIAGRAM
1
GENERAL DESCRIPTION
The ML2280 and ML2283 are 8-bit successive
approximation A/D converters with serial I/O and
configurable input multiplexers with up to 4 input
channels.
All errors of the sample-and-hold incorporated on the
ML2280 and ML2283 are accounted for in the analog-to-
digital converters accuracy specification.
The voltage reference can be externally set to any value
between GND and V
CC
, thus allowing a full conversion
over a relatively small voltage span if desired.
The ML2283 is an enhanced double polysilicon, CMOS,
pin-compatible second source for the ADC0833 A/D
converter. All parameters are guaranteed over temperature
with a power supply voltage of 5V ±10%.
FEATURES
I
Conversion time: 6μs
I
ML2280 capable of digitizing a 5V, 40kHz sine wave
I
Total unadjusted error with external
reference: ±1/2LSB or ±1LSB
I
Sample-and-hold: 375ns acquisition
I
0 to 5V analog input range with single 5V
power supply
I
2.5V reference provides 0 to 5V analog input range
I
No zero- or full-scale adjust required
I
Low power: 12.5mW MAX
I
Analog input protection: 25mA (min) per input
I
Differential analog voltage inputs (ML2280)
I
Programmable multiplexer with differential or single
ended analog inputs (ML2283)
I
0.3" width 8- or 14-pin DIP, or 8-Pin SOIC (ML2280)
I
Superior pin-compatible replacement for ADC0833
* This Part Is Obsolete
** This Part Is End Of Life As Of August 1, 2000
INPUT
SHIFT-REGISTER
OUTPUT
SHIFT-REGISTER
SHUNT
REGULATOR
CONTROL
AND
TIMING
DI
SARS
CLK
CS
DO
4-BIT
SE
DGND
V+
V
CC
V
REF/2
AGND
CH3
CH2
CH1
CH0
A/D
CONVERTER
WITH
SAMPLE & HOLD
FUNCTION
4-CHANNEL
S.E.
OR
2-CHANNEL
DIFF
MULTIPLEXER
Σ
V
REF/2
CLK
CS
V
IN–
SUCCESSIVE
APPROXIMATION
REGISTER
D/A
CONVERTER
+
COMP
OUTPUT
SHIFT-REGISTER
CONTROL
AND
TIMING
A/D WITH SAMPLE & HOLD FUNCTION
+
8pF
8pF
–
V
IN+
V
CC
GND
DO
ML2281
ML2283
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