Voltage Reference Family

MC1404
Voltage Reference Family
The MC1404 of ICs is a family of temperature−compensated voltage
references for precision data conversion applications, such as A/D, D/A,
V/F, and F/V. Advances in laser−trimming and ion−implanted devices, as
well as monolithic fabrication techniques, make these devices stable and
accurate to 12 bits over both military and commercial temperature ranges.
In addition to excellent temperature stability, these parts offer excellent
long−term stability and low noise.
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PRECISION LOW DRIFT
VOLTAGE REFERENCES
5.0, 6.25, and 10−VOLT OUTPUT
VOLTAGES
SEMICONDUCTOR
TECHNICAL DATA
Output Voltages: Standard, 5.0 V, 6.25 V, 10 V
Trimmable Output: > ± 6%
Wide Input Voltage Range: Vref + 2.5 V to 40 V
Low Quiescent Current: 1.25 mA Typical
Temperature Coefficient: 10 ppm/°C Typical
Low Output Noise: 12 μV p−p Typical
Excellent Ripple Rejection: > 80 dB Typical
Typical Applications
•
•
•
•
Voltage Reference for 8 to 12 Bit D/A Converters
Low TC Zener Replacement
High Stability Current Reference
MPU D/A and A/D Applications
8
1
P SUFFIX
PLASTIC PACKAGE
CASE 626
Figure 1. Voltage Output 8−Bit DAC Using MC1404P10
+ 5.0
Ref
In
MSB
PIN CONNECTIONS
+ 15
2
5.0 k
6
4
8 Bit
DAC
Digital
Inputs
NC 1
8 NC
Vin 2
7 NC
VTEMP 3
6 Vout
MC1404P10
0.05
75 pF
Gnd 4
5 TRIM
5.0 k
+ 15
Out
LSB
2
5.0 k 3
−
7
1
LF156A
+
ORDERING INFORMATION
5
0 to
+ 10 V
4
Device
MC1404P5
− 15
MC1404P6
− 15
MC1404P10
© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev. 3
Operating
Temperature Range
1
Package
Plastic DIP
TA = 0° to +70°C
Plastic DIP
Plastic DIP
Publication Order Number:
MC1404/D
MC1404
MAXIMUM RATINGS
Symbol
Value
Unit
Input Voltage
Rating
Vin
40
V
Storage Temperature
Tstg
− 65 to + 150
°C
Junction Temperature
TJ
+ 175
°C
Operating Ambient Temperature Range
TA
0 to + 70
°C
ELECTRICAL CHARACTERISTICS (Vin = 15 V, TA = 25°C, and Trim Terminal not connected, unless otherwise noted.)
Symbol
Min
Typ
Max
4.95
6.19
9.9
5.0
6.25
10
5.05
6.31
10.1
−
−
± 0.1
± 1.0
%
Output Trim Range (Figure 10)
(RP = 100 kΩ)
ΔVTRIM
± 6.0
−
−
%
Output Voltage Temperature Coefficient,
Over Full Temperature Range (Note 1)
ΔVO/ΔT
−
10
40
ppm/°C
−
−
−
−
−
−
14
17.5
28
Characteristic
Output Voltage
(IO = 0 mA)
VO
MC1404P5
MC1404P6
MC1404P10
Output Voltage Tolerance
Maximum Output Voltage Change
Over Temperature Range (Note 1)
MC1404P5
MC1404P6
MC1404P10
ΔVO
Unit
V
mV
Line Regulation (Note 2)
(Vin = Vout + 2.5 V to 40 V, Iout = 0 mA)
Regline
−
2.0
6.0
mV
Load Regulation (Note 2)
(0 p IO p 10 mA)
Regload
−
−
10
mV
Quiescent Current
(IO = 0 mA)
IQ
−
1.2
1.5
mA
Short Circuit Current
Isc
−
20
45
mA
Long Term Stability
−
−
25
−
ppm/1000 hrs
NOTE: 1. Guaranteed but not tested.
NOTE: 2. Includes thermal effects.
DYNAMIC CHARACTERISTICS (Vin = 15 V, TA = 25°C, all voltage ranges, unless otherwise noted.)
Symbol
Min
Typ
Max
Unit
Turn−On Settling Time
(to ± 0.01%)
tS
−
50
−
μs
Output Noise Voltage − P to P
(Bandwidth 0.1 to 10 Hz)
Vn
−
12
−
μV
Small−Signal Output Impedance
120 Hz
500 Hz
ro
−
−
0.15
0.2
−
−
70
80
−
Characteristic
Power Supply Rejection Ratio
PSRR
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2
Ω
dB
MC1404
TYPICAL CHARACTERISTICS
Figure 2. Simplified Device Diagram
ΔVout , LINE REGULATION (mV)
2
Figure 3. Line Regulation versus Temperature
2.5
Vin
−
Vout
+
6
R
5.0 k
TRIM
VTEMP
3
5
R
Vo
3.75 k
5.0 V
5.0 k
6.25 V
8.75 k
10 V
2.0
1.5
Vin = Vref +2.5 V to 40 V
Iout = 0 mA
1.0
0.5
0
1.25 k
0
10
20
40
50
30
TA, AMBIENT TEMPERATURE (°C)
60
4
Figure 4. Output Voltage versus Temperature
MC1404P10
Figure 5. Load Regulation versus Temperature
0.010
LOAD REGULATION (%/mA)
10.02
10.00
9.98
9.96
9.94
PSRR, POWER SUPPLY REJECTION RATIO (dB)
0
0
10
20
30
40
50
TA, AMBIENT TEMPERATURE (°C)
60
0.008
0.006
Load Change 0 to 10 mA
0.004
0.002
0
70
Figure 6. Power Supply Rejection Ratio
versus Frequency
1.6
80
1.4
70
60
50
0.1 μF
HP209A
3.0 Vrms 500 μF
− +
40
30
20
0.01
1.0k
+
−
2
DUT
21.3 V Set Node to
20 V Average
0.1
1.0
4
6
HP3400A
10
100
0
10
20
30
40
50
TA, AMBIENT TEMPERATURE (°C)
60
Figure 7. Quiescent Current versus Temperatur
90
I Q , QUIESCENT CURRENT (mA)
Vout , OUTPUT VOLTAGE (V)
10.04
1.2
1.0
0.8
0.4
0.2
1000
f, FREQUENCY (kHz)
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3
Vin = 15 V
Iout = 0 mA
0.6
0
0
10
20
30
40
50
TA, AMBIENT TEMPERATURE (°C)
60
MC1404
Figure 8. Short Circuit Current
versus Temperature
Figure 9. VTEMP Output versus Temperature
1.0
V TEMP , TEMPERATURE OUTPUT (V)
I sc , SHORT CIRCUIT CURRENT (mA)
40
35
30
Vin = 15 V
25
20
15
10
5.0
0
0
10
20
30
40
50
TA, AMBIENT TEMPERATURE (°C)
60
0.8
0.6
0.4
IV
= 10 nA
TEMP
0.2
0
70
Figure 10. Output Trim Configuration
0
10
20
30
40
50
TA, AMBIENT TEMPERATURE (°C)
Figure 11. Precision Supply Using MC1404
V+
+ 15 V
2
Vin
60
330
6
Vo
Output
MC1404
5
MPS−U51A
RP
100 k
TRIM
Gnd
4
2
Vin
0.01 μF
Vo 6
MC1404
Output Adjustment
The MC1404 trim terminal can be used to adjust the output voltage
over a ± 6.0% range. For example, the output can be set to 10.000 V
or to 10.240 V for binary applications. For trimming, Bourns type
3059, 100 kΩ or 200 kΩ trimpot is recommended.
Although Figure 10 illustrates a wide trim range, temperature
coefficients may become unpredictable for trim > ± 6.0%.
5.0, 6.25,
10 V @ 1/2 Amp
Output Power Boosting
Gnd
4
The addition of a power transistor, a resistor, and a capacitor
converts the MC1404 into a precision supply with one ampere
current capability. At V+ = 15 V, the MC1404 can carry in excess of
14 mA of load current with good regulation. If the power transistor
current gain exceeds 75, a one ampere supply can be realized.
Figure 12. Ultra Stable Reference for MC1723 Voltage Regulator
Supply
2
MC1404P5
4
8(12)
3(5)
6
0.1
μF
2(4)
7(11)
MC1723
+
−
6(10)
Rsc
Vout
10(2)
ǒ
V out + 5.0V
1(3)
5(7)
9(13)
0.001 μF
Ro
4.7 k
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4
I omax [ 0.6V
R sc
R o ) 4.7k
4.7k
Ǔ
MC1404
Figure 13. 5.0 V, 6.0 Amp, 25 kHz Switching Regulator with Separate Ultra−Stable Reference
+ 10 to + 30 ln
120 μH
2N5879
+
−
1000 μF
50 V
+
33
0.01 μF
50 V
Ceramic
130
130
12
8
11
Motorola
TL495CN
6
0.01 μF
Ceramic
5000 μF
6.8 V
(Low ESR)
−
1N3889
2
+5.0 V Out
200 mA to
6.0 Amps
Pulse Width
Modulator
−
+
Oscillator
+
−
17
18
2.2 k
MC1404P5
5
100 k
TRIM
(opt)
4
5
0.005 μF
6
10 k
7
9
10
4
14
1
2
3
220 k
0.001 μF
Figure 14. Reference for a High Speed DAC
12.5 to
40 V
Input
2
6
R1
R2
0.1 μF
MC1404P10
4
Analog
Output
10 V Reference
Digital
Inputs
Ladder
and
Switches
R1 and R2 values depend
on the current requirements
of the DAC.
High Speed DAC
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5
2.2 k
MC1404
OUTLINE DIMENSIONS
P1 SUFFIX
PLASTIC PACKAGE
CASE 626−05
ISSUE K
8
5
−B−
1
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.
4
F
−A−
NOTE 2
DIM
A
B
C
D
F
G
H
J
K
L
M
N
L
C
J
−T−
N
SEATING
PLANE
D
H
M
K
G
0.13 (0.005)
M
T A
M
B
MILLIMETERS
MIN
MAX
9.40
10.16
6.10
6.60
3.94
4.45
0.38
0.51
1.02
1.78
2.54 BSC
0.76
1.27
0.20
0.30
2.92
3.43
7.62 BSC
−−−
10_
0.76
1.01
INCHES
MIN
MAX
0.370
0.400
0.240
0.260
0.155
0.175
0.015
0.020
0.040
0.070
0.100 BSC
0.030
0.050
0.008
0.012
0.115
0.135
0.300 BSC
−−−
10_
0.030
0.040
M
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are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
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6
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MC1404/D