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ML2283BCP 데이터시트 PDF




Micro Linear에서 제조한 전자 부품 ML2283BCP은 전자 산업 및 응용 분야에서
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부품번호 ML2283BCP 기능
기능 Serial I/O 8-Bit A/D Converters
제조업체 Micro Linear
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ML2283BCP 데이터시트, 핀배열, 회로
May 1997
ML2280*, ML2283**
Serial I/O 8-Bit A/D Converters
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 VCC, 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%.
BLOCK DIAGRAM
ML2281
CONTROL
AND
TIMING
OUTPUT
SHIFT-REGISTER
CS
CLK
DO
FEATURES
s Conversion time: 6µs
s ML2280 capable of digitizing a 5V, 40kHz sine wave
s Total unadjusted error with external
reference: ±1/2LSB or ±1LSB
s Sample-and-hold: 375ns acquisition
s 0 to 5V analog input range with single 5V
power supply
s 2.5V reference provides 0 to 5V analog input range
s No zero- or full-scale adjust required
s Low power: 12.5mW MAX
s Analog input protection: 25mA (min) per input
s Differential analog voltage inputs (ML2280)
s Programmable multiplexer with differential or single
ended analog inputs (ML2283)
s 0.3" width 8- or 14-pin DIP, or 8-Pin SOIC (ML2280)
s Superior pin-compatible replacement for ADC0833
* This Part Is Obsolete
** This Part Is End Of Life As Of August 1, 2000
ML2283
4-BIT
INPUT
SHIFT-REGISTER
CONTROL
AND
TIMING
DI
SARS
CLK
CS
VIN+
A/D WITH SAMPLE & HOLD FUNCTION
+Σ
8pF
+
COMP
SUCCESSIVE
APPROXIMATION
REGISTER
VIN–
8pF
D/A
CONVERTER
VREF/2
VCC GND
CH0
4-CHANNEL
CH1
S.E.
OR
2-CHANNEL
CH2
DIFF
MULTIPLEXER
CH3
OUTPUT
SHIFT-REGISTER
DO
SE
A/D
CONVERTER
WITH
SAMPLE & HOLD
FUNCTION
AGND VREF/2
VCC
DGND
SHUNT
REGULATOR
V+
1




ML2283BCP pdf, 반도체, 판매, 대치품
ML2280, ML2283
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL PARAMETER
CONDITIONS
ML228XB
TYP
MIN NOTE 3
CONVERTER AND MULTIPLEXER CHARACTERISTICS (Continued)
IOFF Off Channel
On channel = VCC
Leakage Current Off channel = 0V
(Notes 4, 8)
–1
On channel = 0V
Off channel = VCC
(Notes 4, 8)
ION On Channel
On channel = 0V
Leakage Current Off channel = VCC
(Notes 4, 8)
–1
On channel = VCC
Off channel = 0V
(Notes 4, 8)
MAX
+1
+1
MIN
ML228XC
TYP
NOTE 3 MAX
–1
+1
–1
+1
UNITS
µA
µA
µA
µA
SYMBOL
PARAMETER
DIGITAL AND DC CHARACTERISTICS
VIN(1)
VIN(0)
IIN(1)
IIN(0)
VOUT(1
VOUT(0)
IOUT
Logical “1” Input Voltage
Logical “0” Input Voltage
Logical “1” Input Current
Logical “0” Input Current
Logical “1” Output Voltage
Logical “0” Output Voltage
HI-Z Output Current
ISOURCE
ISINK
ICC
Output Source Current
Output Sink Current
Supply Current
CONDITIONS
(Note 4)
(Note 4)
VIN = VCC (Note 4)
VIN = 0V (Note 4)
IOUT = –2mA (Note 4)
IOUT = 2mA (Note 4)
VOUT = 0V (Note 4)
VOUT = VCC
VOUT = 0V (Note 4)
VOUT = VCC (Note 4)
(Note 4)
MIN
TYP
NOTE 3
MAX
UNITS
2.0 V
0.8 V
1 µA
–1 µA
4.0 V
0.4 V
–1 µA
1 µA
–6.5 mA
8.0 mA
1.3 2.5 mA
4

4페이지










ML2283BCP 전자부품, 판매, 대치품
ML2280, ML2283
ML2280 Timing
1 2 3 4 5 6 7 8 9 10 11
CLOCK (CLK)
CHIP SELECT (CS)
tSET-UP
DATA OUT (DO) HI-Z
SAMPLE & HOLD
ACQUISITION (tACQ)
tC
*
76 5432 10
(MSB)
(LSB)
*LSB FIRST OUTPUT NOT AVAILABLE ON ML2280
HI-Z
ML2283 Timing
CLOCK (CLK)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
tSET-UP
OUTPUT DATA
CHIP SELECT (CS)
DATA IN (DI)
ADDRESS MUX
START
SELECT
BIT ODD/SIGN BIT 0
SAR STATUS (SARS)
HI-Z
SGL/DIF SELECT
BIT 1
DON’T CARE (DI DISABLED UNTIL NEXT CONVERSION
A/D CONVERSION IN PROCESS
MSB FIRST DATA
LSB FIRST DATA
DATA OUT (DO)
HI-Z
SAMPLE & HOLD
ACQUISITION (tACQ)
76
(MSB)
5
43
2 10
12345 67
Figure 2. Timing Diagrams (Continued)
HI-Z
HI-Z
7

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ML2283BCP

Serial I/O 8-Bit A/D Converters

Micro Linear
Micro Linear

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