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CQ-2332 Schematic ( PDF Datasheet ) - Asahi Kasei Microsystems

Teilenummer CQ-2332
Beschreibung High-Speed Small Current Sensor
Hersteller Asahi Kasei Microsystems
Logo Asahi Kasei Microsystems Logo 




Gesamt 15 Seiten
CQ-2332 Datasheet, Funktion
[CQ-2332]
CQ-2332
High-Speed Small Current Sensor
1. Genaral Description
CQ-2332 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.
2. Feartures
- 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: 1.2mVrms (typ.)
- Fast response time: 1μs (typ.)
- Small-sized package, halogen free
- Standards: IEC/UL 60950-1, UL 508, CSA C22.2 No. 14
IEC 62109 (certification pending)
MS1571-E-01
-1-
2014/04






CQ-2332 Datasheet, Funktion
[CQ-2332]
10. Electrical Characteristics
Table 5. Electrical characteristics
Conditions (unless otherwise specified): Ta = 25°C, VDD = 5V
Parameter
Symbo
l
Conditions
Min.
Maximum Primary
Current (RMS)
IRMSmax
50
Current Consumption
Sensitivity (Note 1)
Offset Voltage (Note 1)
Linear Sensing Range
Linearity Error (Note 1)
IDD No loads
Vh See Figure 5
Vof IIN = 0A
INS
ρ See Figure 5
99.0
2.480
21
1
Rise Response Time
tr
CL = 100pF
See Figure 8
Fall Response Time
Bandwidth
Output Noise (Note 2)
Temperature Drift of
Sensitivity
Temperature Drift of
Offset Voltage
tf
fT
VNrms
Vh-dmax
Vof-dmax
CL = 100pF
See Figure 8
3dB, CL = 100pF
100Hz to 4MHz
Ta = 40 to 110C
See Figure 6
Ta = 40 to 110C, IIN = 0A
See Figure 7
Ratiometric Error of
Sensitivity (Note 2)
Vh-R VDD = 4.5V to 5.5V
1
Ratiometric Error of
Offset Voltage (Note 2)
Total Accuracy
(Note 3)
Vof-R
ETO
VDD = 4.5V to 5.5V
IIN = 0A
Ta = 40 to 110C
0.7
Primary Conductor
Resistance
R1
Isolation Voltage
(Note 2)
VINS AC 50/60Hz, 60sec
3
Isolation Resistance
(Note 2)
RINS DC 1kV
500
Clearance Distance
(Note 2)
dCL
between the primary and the
secondary
13.3
Creepage Distance
(Note 2)
dCP
between the primary and the
secondary
13.3
Typ.
8.3
100.0
2.500
1
1
300
1.2
±0.5
±23
1.3
100
Max.
50
11
101.0
2.520
21
1
1
0.7
Units
A
mA
mV/A
V
A
%F.S.
μs
μs
kHz
mVrms
%
mV
%
%F.S.
%F.S.
μΩ
kV
M
mm
mm
Note 1.
Note 2.
Note 3.
These parameters can drift by the values in 14. Reliability Tests after the reflow and over the
lifetime of this product.
These parameters are guaranteed by design.
Total accuracy ETO is calculated by the equation below.
ETO = |100 × (Vh_meas Vh) / Vh| + |100 ×(Vof_meas Vof_meas_35) / (Vh × |INS| × 2)| + |ρmeas|
where Vh_meas[mV/A], Vof_meas[mV], ρmeas[%F.S.] represent the measured value of sensitivity, offset
voltage and linearity error respectively, Vh[mV/A] represent the typical value of sensitivity, and
Vof_meas_35[mV] represent the measured value of offset voltage at Ta = 35C. In the case of
CQ-2332, ETO is calculated by the equation as below.
ETO = |100 × (Vh_meas 100) / 100| + |100 ×(Vof_meas Vof_meas_35) / (100 × 21 × 2)| + |ρmeas|
MS1571-E-01
-6-
2014/04

6 Page









CQ-2332 pdf, datenblatt
[CQ-2332]
13.3. Marking
Production information is printed on the package surface by laser marking. Markings consist of 15 characters
(company logo AKMand 6 characters × 2 lines).
A KM
Q 2 3 3 2
Y M D ***
Product Code (CQ-2332) + Option
Option (3 characters)
MS1571-E-01
Production Date (Y/M/D)
Figure 12. Markings of CQ-2332
Table 6. Production date code table
Last Number of Year
Month
Day
Character Number Character Month Character
00
C Jan.
1
11
D Feb.
2
22
E Mar.
3
33
F Apr.
4
44
G May.
5
55
H Jun.
6
66
J Jul.
7
77
K Aug.
8
88
L Sep.
9
9 9 M Oct. 0
N Nov.
A
P Dec.
B
C
D
E
F
G
H
J
K
L
N
P
R
S
T
U
V
W
X
Y
Day
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
- 12 -
2014/04

12 Page





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