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PDF MC1403 Data sheet ( Hoja de datos )
| Número de pieza | MC1403 | |
| Descripción | Low Voltage Reference | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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Order this document by MC1403/D
MC1403, B
Low Voltage Reference
A precision band–gap voltage reference designed for critical
instrumentation and D/A converter applications. This unit is designed to work
with D/A converters, up to 12 bits in accuracy, or as a reference for power
supply applications.
"• Output Voltage: 2.5 V 25 mV
• Input Voltage Range: 4.5 V to 40 V
• Quiescent Current: 1.2 mA Typical
• Output Current: 10 mA
• Temperature Coefficient: 10 ppm/°C Typical
• Guaranteed Temperature Drift Specification
• Equivalent to AD580
• Standard 8–Pin DIP, and 8–Pin SOIC Package
Typical Applications
• Voltage Reference for 8 to 12 Bit D/A Converters
• Low TC Zener Replacement
• High Stability Current Reference
• Voltmeter System Reference
MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.)
Rating
Symbol
Value
Input Voltage
VI 40
Storage Temperature
Junction Temperature
Operating Ambient Temperature Range
MC1403B
MC1403
Tstg – 65 to 150
TJ +175
TA
– 40 to +85
0 to + 70
Unit
V
°C
°C
°C
°C
PRECISION LOW VOLTAGE
REFERENCE
SEMICONDUCTOR
TECHNICAL DATA
8
1
8
1
P1 SUFFIX
PLASTIC PACKAGE
CASE 626
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
PIN CONNECTIONS
Vin 1
Vout 2
Gnd 3
NC 4
8 NC
7 NC
6 NC
5 NC
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC1403D
MC1403P1
MC1403BD
MC1403BP1
TA = 0° to +70°C
TA = – 40° to +85°C
SO–8
Plastic DIP
SO–8
Plastic DIP
+ 5.0 V
Figure 1. A Reference for Monolithic D/A Converters
1 MC1403
3
2 2.5 V 1.0 k
R1
Full Scale
Adjust 500 Ω
R2 IRef
Reference
Amplifier
Monolithic D/A
Converter
*0.1 µF
C1
Providing the Reference Current
for Motorola Monolithic D/A Converters
The MC1403 makes an ideal reference for many mono-
lithic D/A converters, requiring a stable current reference of
nominally 2.0 mA. This can be easily obtained from the
MC1403 with the addition of a series resistor, R1. A variable
resistor, R2, is recommended to provide means for full–
scale adjust on the D/A converter.
1.2 k
R3
* Caution: System stability may be affected if output capacitance
* exceeds 1.0 µF. Using higher capacitance values is not
* recommended and should be carefully considered.
The resistor R3 improves temperature performance by
matching the impedance on both inputs of the D/A reference
amplifier. The capacitor decouples any noise present on the
reference line. It is essential if the D/A converter is located
any appreciable distance from the reference.
A single MC1403 reference can provide the required
current input for up to five of the monolithic D/A converters.
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1996
Rev 1
1
1 page  
NOTE 2
85
14
F
–A–
MC1403, B
OUTLINE DIMENSIONS
P1 SUFFIX
PLASTIC PACKAGE
CASE 626–05
ISSUE K
–B–
L
–T–
SEATING
PLANE
H
C
J
N
DK
M
G
0.13 (0.005) M T A M B M
NOTES:
1. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
2. PACKAGE CONTOUR OPTIONAL (ROUND OR
SQUARE CORNERS).
3. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A 9.40 10.16 0.370 0.400
B 6.10 6.60 0.240 0.260
C 3.94 4.45 0.155 0.175
D 0.38 0.51 0.015 0.020
F 1.02 1.78 0.040 0.070
G 2.54 BSC
0.100 BSC
H 0.76 1.27 0.030 0.050
J 0.20 0.30 0.008 0.012
K 2.92 3.43 0.115 0.135
L 7.62 BSC
0.300 BSC
M ––– 10_ ––– 10_
N 0.76 1.01 0.030 0.040
D SUFFIX
PLASTIC PACKAGE
CASE 751–05
(SO–8)
ISSUE N
–A–
85
–B– 4X P
14
0.25 (0.010) M B M
G
C
–T–
8X D
SEATING
K PLANE
0.25 (0.010) M T B S A S
R X 45 _
M_ J
F
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A 4.80 5.00 0.189 0.196
B 3.80 4.00 0.150 0.157
C 1.35 1.75 0.054 0.068
D 0.35 0.49 0.014 0.019
F 0.40 1.25 0.016 0.049
G 1.27 BSC
0.050 BSC
J 0.18 0.25 0.007 0.009
K 0.10 0.25 0.004 0.009
M 0_ 7_ 0_ 7_
P 5.80 6.20 0.229 0.244
R 0.25 0.50 0.010 0.019
MOTOROLA ANALOG IC DEVICE DATA
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MC1403.PDF ] | |
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