Mitsubishi M62301SP, M62301FP Datasheet
MITSUBISHI<Dig.Ana.INTERFACE>
prevent current leak from integration capacitor.
and speed control
M62301SP,FP
10~12-BIT 4CH INTEGRATING A-D CONVERTER
DESCRIPTION
M62301 semiconductor integrated circuit forms an integrating
A-D converter,being connected to a microcomputer unit.By
using selection signals and counter clock signals from the
unit,a 10~12-bit A-D converter can be created at a low cost.
The integration time and resolution can be set at the user‘s
option by changing external parameters.In addition,the built-in
circuit offset,delay time and temperature fluctuation are
adjustable,enabling a wide range of applications.
M62301 has a 3 input decoder circuit,high-precision
reference voltage(1.22V)generator,current supply and
comparator for integration,and voltage-monitoring reset circuit
for a 5V power supply.It is also equipped with girdling to
FEATURES
•Separate power supplies for analog section and digital section.
•Low power dissipation.....................................2mA(typ)
(1mA for A-D conversion and the other 1mA for reset)
•Linear error......................................................±0.02%(typ)
•Conversion time...............................................526µs/ch(typ)
•Built-in system reset.........................................4.45V(typ)
APPLICATION
High-precision control systems such as temperature control
PIN CONFIGURATION (TOP VIEW)
Vcc FOR RESET
C0
C1
C2
INT
RESET
GIRDLING 1
INTEGRATING
CAPACITOR
GIRDLING 2
ANALOG GND
1
2
3
4
5
7
Outline 20P4B(SP)
20P2N-A(FP)
20
DIGITAL GND
19
A1
18
A2
17
A3
A4
16
REFERENCE INPUT
156
14
DIGITAL VDD
REFERENCE
138
VOLTAGE
CONSTANT CURRENT
129
CONTROL
1110
ANALOG Vcc
BLOCK DIAGRAM
A1
19
A2
18
A3
17
A4
16
REFERENCE
INPUT
REFERENCE
VOLTAGE
15
13
A1
A2
A3
A4
VREF
GND
VREF
1.22V
GIRDLING 1
0.49V
8
7
INTEGRATING
CAPACITOR
GIRDLING 2
CONSTANT
CURRENT
CONTROL
12
DISCHARGE
DECODER
2
9
C0
+
-
+
-
0.36V
3
C1 C2
ANALOG
Vcc
11
4
ANALOG
GND
10
+
DELAY
CIRCUIT
-
DIGITAL
GND
20
150µs
DIGITAL
VDD
14
INT
5
1
Vcc FOR RESET
RESET
6
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MITSUBISHI<Dig.Ana.INTERFACE>
M62301SP,FP
10~12-BIT 4CH INTEGRATING A-D CONVERTER
ABSOLUTE MAXIMUM RATINGS(Ta=25°C, unless otherwise noted)
Symbol Ratings
Vcc
VDD
VID
VIA
IoINT
IoRE
VINT
VRESET
VRE
Pd
K
Topr
Tstg
Analog section supply voltage
Digital section supply voltage
Digital input voltage
Analog input voltage
INT output current
Reset output current
INT output withstand voltage
Reset output withstand voltage
Reset supply voltage
Power dissipation
Thermal derating
Operating temperature
Storage temperature
Parameter
Conditions
-0.3~VDD+0.3
-0.3~VDD+0.3
990(DIP)/660(FP) mW
9.9(DIP)/6.6(FP)
-20 ~ +75
-55 ~ +125
15
15
15
Unit
V
8
6
6
6
V
V
V
mA
mA
V
V
V
mW/°C
°C
°C
RECOMMENDED OPERATING CONDITIONS(Ta=25°C, unless otherwise noted)
Symbol
Vcc
VDD
VIA
VIR
CI
RI
Io
Note 1.Maximum analog input voltage is less than the difference between Vcc-2.5V as well as VDD.
*Charging current II=
Analog section supply voltage
Digital section supply voltage
Analog input voltage range
(II=50µA)
Reference input voltage(II=50µA)
Integration capacity
Resistance to determine charge current
Output current
Parameter
VREF
R1
Min Typ Max
4.5
4.5
0
1
300
6
Limits
8.0
5.0
12.0
5.5
No more than(Vcc-2.5V)
and VDD(Note 1)
No more than(Vcc-2.5V)
and VDD(Note 1)
22000
60
4
Unit
V
V
V
V
pF
kΩ
mA
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MITSUBISHI<Dig.Ana.INTERFACE>
M62301SP,FP
10~12-BIT 4CH INTEGRATING A-D CONVERTER
ELECTRICAL CHARACTERISTICS(Vcc=5.0V,VDD=5.0V,Ta=25°C, unless otherwise noted)
75
0
30
Limits
Typ.
1.0
1.22
0.05
0.02 0.09
-0.35
0.1
4.45 4.60
150
0.1
1.0
0.75
0.6
Max.
3
50
2.0
2.5
2.2
1.27
50
-10
0.1
17
-3.5
0.8
0.4
1
80
300
0.4
1
2.0
1.0
0.8
Unit
mA
V
V
µA
%/FSR
%/FSR
µs
µs
µA
V
V
V
µA
V
mV
µs
V
µA
mA
V
Symbol
Icc
VIA
VREF
IREF +
IREF -
Ec
EL
TT
Tdi
IB
VIH
VIL
VLINT
IOHINT
VDET
∆VDET
TDE
VLRE
IOHRE
IRE
VOPL
Note 1.Conversion error;Deviation from the line that links the “0“ scale point (mode 0) and reference scale point (mode 3. VFSR=2.5V).Associated
with all channels.
Note 2.Linear error;Deviation from the line that links the 0-V input point and 2.5V input point on a given channel.
Supply current
Analog input voltage range
Reference input voltage
Permissible current inflow at
reference voltage
Conversion error
Linear error
Conversion time 526
Discharge time
Analog input current
Digital input “H“ level
Digital input “L“ level
INT output “L“ level
INT output leak current
Detection voltage
Hysteresis voltage
Delay time
Reset output “L“ level
Reset output leak current
Supply current
Limit operating voltage
Parameter
II=100µA
II=200µA
IREF=±5µA
CREF=4700pF
(Note 1)RI=24kΩ
(Note 2)RI=24kΩ
VIA=2.5V,CI=0.01µF
RI=24kΩ
V 8=3V 0.3V
CI=4700pF
IOL=1mA
V 5=15V
IOL=1mA
V 5=15V
VRE=5V
RL=2.2kΩ,VLRE≤0.4V
RL=100kΩ,VLRE≤0.4V
Test conditions
Min.
1.17
3.5
4.30
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