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PDF CQ-3302 Data sheet ( Hoja de datos )
| Número de pieza | CQ-3302 | |
| Descripción | High-Speed Response Coreless Current Sensor | |
| Fabricantes | Asahi Kasei Microsystems | |
| Logotipo |  |
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[CQ-3302]
CQ-3302
High-Speed Response Coreless Current Sensor
1. General Description
CQ-3302 is an open-type current sensor using a Hall sensor which outputs the analog voltage proportional
to the AC/DC current. Quantum well ultra- thin film InAs (Indium Arsenide) is used as the Hall sensor, which
enables the high-accuracy and high-speed current sensing. Coreless surface mount package realizes the space-
saving.
2. Features
- Small-sized surface mount package: VSOP-24
- High isolation voltage: 3.0kV (50/60Hz, 60sec)
- Compliant to safety standards of IEC/UL-60950 and UL-508
- Ultra-fast response time: 0.5μsec (typ.)
- Low variation and low temperature drift of sensitivity and zero-current output voltage
- No output hysteresis
- Low noise output: 1.1mVrms (typ.)
- Bi-directional type
- 5V single power supply
- Ratiometric output
- Halogen free
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[CQ-3302]
6. Safety Standards
- IEC/UL 60950-1 – Information Technology Equipment – Edition 2. (File No.E359197)
- CSA C22.2 NO. 60950-1-07 – Information Technology Equipment – Edition 2. (File No. E359197)
- UL 508 – Industrial Control Equipment – Edition 17. (File No. E353882)
7. Absolute Maximum Ratings
Table 3. Absolute maximum ratings
Parameter
Symbol
Min.
Max. Units
Notes
Supply Voltage
Analog Output Current
Storage Temperature
VDD −0.3 6.5 V VDD pin
IOUT
−1
1 mA VOUT pin
Tstg −40 125 °C
WARNING: Operation at or beyond these limits may result in permanent damage to the device. Normal
operation is not guaranteed at these extremes.
8. Recommended Operating Conditions
Table 4. Recommended operating conditions
Parameter
Symbol Min. Typ. Max. Units
Notes
Supply Voltage
Analog Output Current
VDD 4.5 5.0 5.5 V
IOUT −0.5
0.5 mA VOUT pin
Output Load Capacitance
CL
100 pF VOUT pin
Maximum Primary Current
(RMS)
IRMSmax
−20
DC value or RMS value which can
20 A be applied to primary conductor
see Figure 3
Operating Ambient
Temperature
Ta −40
90 °C see Figure 3
WARNING: Electrical characteristics are not guaranteed when operated at or beyond these conditions.
(80°C, 20A)
(90°C, 10A)
Conditions: Mounted on the test board shown in Figure 12. VDD = 5V
Figure 3. Primary current derating curve of CQ-3302
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11. Recommended External Circuits
PN
Printed wiring pattern
for primary conductor
10
Printed wiring pattern
for primary conductor
9
[CQ-3302]
CQ-3302
(Top View)
1
Printed wiring pattern
for radiation
8
Printed wiring pattern
for radiation
VDD 0.1uF
VOUT
Low-Pass Filter (Optional)
Figure 7. Recommended external circuits
Radiation pattern should be designed as wide as possible, so that the clearance and creepage distances satisfy
the requirement.
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11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet CQ-3302.PDF ] | |
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