ML2283BCP データシートの表示（PDF） - Micro Linear Corporation
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ML2283BCP Datasheet PDF : 20 Pages
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ML2280, ML2283
PIN CONFIGURATION
ML2280
Single Differential Input
8-Pin PDIP
CS
VIN+
VIN–
GND
1
8
2
7
3
6
4
5
TOP VIEW
VCC
CLK
DO
VREF/2
ML2280
Single Differential Input
8-Pin SOIC
CS
VIN+
VIN–
GND
1
8
2
7
3
6
4
5
TOP VIEW
VCC
CLK
DO
VREF/2
ML2283
4-Channel MUX
14-Pin PDIP
V+
CS
CH0
CH1
CH2
CH3
DGND
1
8
2
9
3
10
4
11
5
12
6
13
7
14
TOP VIEW
VCC
DI
CLK
SARS
DO
VREF/2
AGND
PIN DESCRIPTION
NAME
FUNCTION
VCC
DGND
Positive supply. 5V ± 10%
Digital ground. 0 volts. All digital inputs and
outputs are referenced to this point.
AGND Analog ground. The negative reference voltage
for A/D converter.
GND Combined analog and digital ground.
CH0, Analog inputs. Digitally selected to be single
VIN+, VIN– ended (VIN) or; VIN+ or VIN– of a differential
input. Analog range = GND - VIN - VCC.
VREF/2
Reference. The analog input range is twice the
positive reference voltage value applied to this
pin.
V+
Input to the Shunt Regulator.
DO
Data out. Digital output which contains result
of A/D conversion. The serial data is clocked
out on falling edges of CLK.
NAME
SARS
CLK
DI
CS
FUNCTION
Successive approximation register status.
Digital output which indicates that a
conversion is in progress. When SARS goes
to 1, the sampling window is closed and
conversion begins. When SARS goes to 0,
conversion is completed. When CS = 1, SARS
is in high impedance state.
Clock. Digital input which clocks data in on
DI on rising edges and out on DO on falling
edges. Also used to generate clocks for A/D
conversion.
Data input. Digital input which contains serial
data to program the MUX and channel
assignments.
Chip select. Selects the chip for multiplexer
and channel assignment and A/D conversion.
When CS = 1, all digital outputs are in high
impedance state. When CS = 0, normal A/D
conversion takes place.
2
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