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CQ-3303 の電気的特性と機能

CQ-3303のメーカーはAsahi Kasei Microsystemsです、この部品の機能は「High-Speed Response Coreless Current Sensor」です。


製品の詳細 ( Datasheet PDF )

部品番号 CQ-3303
部品説明 High-Speed Response Coreless Current Sensor
メーカ Asahi Kasei Microsystems
ロゴ Asahi Kasei Microsystems ロゴ 




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CQ-3303 Datasheet, CQ-3303 PDF,ピン配置, 機能
[CQ-3303]
CQ-3303
High-Speed Response Coreless Current Sensor
1. General Description
CQ-3303 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: 0.7mVrms (typ.)
- Bi-directional type
- 5V single power supply
- Ratiometric output
- Halogen free
014003802-E-01
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2014/11

1 Page





CQ-3303 pdf, ピン配列
4. Block Diagram and Functions
P
[CQ-3303]
Hall
Sensor
Bias Unit
Amplifier
Buffer
Compensation
EEPROM Unit
VOUT
VSS
VDD
TEST1 TEST2 TEST3
N
Figure 1. Functional block diagram of CQ-3303
Circuit Block
Primary
Conductor
Hall Sensor
Amplifier
Buffer
Compensation
Bias Unit
EEPROM Unit
Table 1. Explanation of circuit blocks
Function
Conductor which the measured current is applied.
Hall element which detects magnetic flux density generated from the measured current.
Amplifier of Hall elements output.
Output buffer with gain. This block outputs the voltage (VOUT) proportional to the current
applied to the primary conductor.
Compensation circuit which adjusts the temperature drifts of sensitivity and zero-current
output voltage.
Drive circuit for Hall element.
Non-volatile memory for setting adjustment parameters. The parameters are adjusted
before the shipment.
014003802-E-01
-3-
2014/11


3Pages


CQ-3303 電子部品, 半導体
[CQ-3303]
9. Electrical Characteristics
Table 5. Electrical characteristics
Conditions (unless otherwise specified): Ta = 35°C, VDD = 5V
Parameter
Symbol
Conditions
Min. Typ. Max. Units
Current Consumption
Sensitivity
(Note 1, Note 2, Note 3)
IDD No loads
Vh See paragraph 10.1
8.3 11
mA
59.4 60.0 60.6 mV/A
Zero-Current Output
Voltage (Note 1, Note 2)
Linear Sensing Range
Linearity Error
(Note 1, Note 2)
Vof See paragraph 10.1
INS
ρ See paragraph 10.2
2.480
35.0
0.6
2.500
2.520
35.0
0.6
V
A
%F.S.
Rise Response Time
tr
CL = 100pF,
see paragraph 10.5
0.5 µsec
Fall Response Time
tf
CL = 100pF,
see paragraph 10.5
0.5 µsec
Bandwidth
Output Noise (Note 2)
Temperature Drift of
Sensitivity (Note 2)
fT
VNrms
Vh-dmax
-3dB, CL = 100pF
100Hz to 4MHz
Ta = 40 to 90°C
1000
0.7
±1.4
kHz
mVrms
%
Temperature Drift of
Zero-Current Output
Voltage (Note 2)
Vof-dmax
Ta = 40 to 90°C
IIN = 0A
±10 mV
Ratiometricity Error of
Sensitivity (Note 2)
Vh-R VDD = 4.5V to 5.5V
1.0
1.0 %
Ratiometricity Error of
Zero-Current Output
Voltage (Note 2)
Total Accuracy (Note 5)
Primary Conductor
Resistance (Note 4)
Vof-R
ETO
R1
VDD = 4.5V to 5.5V,
IIN = 0A
Ta = 40 to 90°C
0.5
±1.3
1.6
0.5 mVrms
%F.S.
m
Isolation Voltage(Note 6)
Isolation Resistance
(Note 4)
VINS AC 50/60Hz, 60sec
RINS DC 1kV
3.0
500
kV
M
Clearance Distance
(Note 4)
dCL
between primary and
secondary conductors
5.0 5.2
mm
Creepage Distance
(Note 4)
dCP
between primary and
secondary conductors
5.0 5.2
mm
Note 1. These parameters can drift by long-term use or reflow process. Please see 14. Reliability Testsfor the
reference of drift values.
Note 2. The primary current (IIN) is swept within ±10A. Current is applied within 35msec in each step.
Note 3. This parameter is tested on condition that current density is uniform. Sensitivity may change slightly
depending on a primary conductor layout on PCB. Please see the application note provided in the
AKM website.
Note 4. These parameters are guaranteed by design.
014003802-E-01
-6-
2014/11

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
CQ-3300

High-Speed Response Coreless Current Sensor

Asahi Kasei Microsystems
Asahi Kasei Microsystems
CQ-3301

High-Speed Response Coreless Current Sensor

Asahi Kasei Microsystems
Asahi Kasei Microsystems
CQ-3302

High-Speed Response Coreless Current Sensor

Asahi Kasei Microsystems
Asahi Kasei Microsystems
CQ-3303

High-Speed Response Coreless Current Sensor

Asahi Kasei Microsystems
Asahi Kasei Microsystems


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