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PDF MC1404 Data sheet ( Hoja de datos )
| Número de pieza | MC1404 | |
| Descripción | Voltage Reference Family | |
| Fabricantes | ON Semiconductor | |
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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.
• 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
Figure 1. Voltage Output 8−Bit DAC Using MC1404P10
http://onsemi.com
PRECISION LOW DRIFT
VOLTAGE REFERENCES
5.0, 6.25, and 10−VOLT OUTPUT
VOLTAGES
SEMICONDUCTOR
TECHNICAL DATA
8
1
P SUFFIX
PLASTIC PACKAGE
CASE 626
MSB
Digital
Inputs
LSB
+ 5.0
Ref
In
8 Bit
DAC
Out
− 15
+ 15
2
5.0 k 6
0.05 MC1404P10
75 pF
5.0 k
+ 15
2
7
−
1
LF156A
5.0 k 3 + 4
5
− 15
4
0 to
+ 10 V
PIN CONNECTIONS
NC 1
Vin 2
VTEMP 3
Gnd 4
8 NC
7 NC
6 Vout
5 TRIM
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC1404P5
MC1404P6
MC1404P10
TA = 0° to +70°C
Plastic DIP
Plastic DIP
Plastic DIP
© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev. 3
1
Publication Order Number:
MC1404/D
1 page  
MC1404
Figure 13. 5.0 V, 6.0 Amp, 25 kHz Switching Regulator with Separate Ultra−Stable Reference
+ 10 to + 30 ln
+ 1000 μF
− 50 V
0.01 μF
50 V
Ceramic
2N5879
33
120 μH
+
1N3889
− 5000 μF
6.8 V
(Low ESR)
+5.0 V Out
200 mA to
6.0 Amps
0.01 μF
Ceramic
2
6
MC1404P5
4
5
100 k
TRIM
(opt)
12
Pulse Width
Modulator
130
8
130
11
Motorola
TL495CN
−
+
17
18
2.2 k
Oscillator
1
+
−2
3
5
0.005 μF
67
10 k
9
10 4
14
220 k
0.001 μF
2.2 k
12.5 to
40 V
Input
Figure 14. Reference for a High Speed DAC
26
MC1404P10
4
10 V Reference
R1
0.1 μF
R1 and R2 values depend
on the current requirements
of the DAC.
R2
Digital
Inputs
Ladder
and
Switches
Analog
Output
High Speed DAC
http://onsemi.com
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet MC1404.PDF ] | |
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