파트넘버.co.kr CQ-2065 데이터시트 PDF


CQ-2065 반도체 회로 부품 판매점

High-Speed Small-Sized Current Sensor



Asahi Kasei Microsystems 로고
Asahi Kasei Microsystems
CQ-2065 데이터시트, 핀배열, 회로
[CQ-2065]
CQ-2065
High-Speed Small-Sized Current Sensor
Overview
CQ-2065 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. Simple AI-Shell package with the Hall sensor,
magnetic core, and primary conductor realizes the space-saving and high reliability.
Features
- Bidirectional type
- Electrical isolation between the primary conductor and the sensor signal
- 5V single supply operation
- Ratiometric output
- Low variation and low temperature drift of sensitivity and offset voltage
- Low noise output: 2.1mVrms (max.)
- Fast response time: 1μs (typ.)
- Small-sized package, halogen free
Functional Block Diagram
P
Magnetic
Core
Amplifier
Buffer
VOUT
Hall
Sensor
Compensation
VSS
Bias Unit
EEPROM Unit
VDD
N DATA_IO SCLK
Figure 1. Functional block diagram of CQ-2065
MS1264-E-05
-1-
2013/06


CQ-2065 데이터시트, 핀배열, 회로
[CQ-2065]
Circuit Blocks
Circuit Block
Hall Sensor
Amplifier
Buffer
Compensation
Bias Unit
EEPROM Unit
Magnetic Core
Table 1. Explanation of circuit blocks
Function
Hall element which detects magnetic flux density generated from the measured current.
Amplifier of Hall element’s 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 offset voltage.
Drive circuit for Hall element.
Non-volatile memory for setting adjustment parameters. The parameters are adjusted before
the shipment.
Magnetic core which gathers the magnetic flux density to the Hall element.
Typical Output Characteristics
VOUT
VDD
NP
CQ-2065
(Top View)
IIN
1/2 VDD
VDD
VOUT
INS
NP 0
PN
Figure 2. Typical output characteristics of CQ-2065
Pin/Function
INS IIN
Table 2. Pin-out description
No. Name
I/O
Description
1 DATA_IO
- Test pin (connect to ground)
2 VDD
- Power supply pin (5V)
3 VSS
- Ground pin (0V)
4 VOUT
O Analog output pin
5 SCLK
- Test pin (connect to ground)
6P
I Primary current pin (+)
7N
I Primary current pin ()
MS1264-E-05
-2-
76
CQ-2065
(Top View)
1 2 345
Figure 3. Pin-out diagram
2013/06




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CQ-2065 sensor

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