DATA SHEET
MR Sensor
MRSS23E
Low voltage operating type Built-in IC ultra-minimum MR sensor
◆
FEATURES
・Micro
power (6µW(typ):Vcc=1.8V)
and High-sensitivity(1.7mT(typ))
(suited for battery-operation)
・Operating
ambient temperature range
(-40ºC to + 85ºC)
2.8
±0.2
1.Dimension (Unit : mm)
0.4
+0.1
-0.05
0.16
+0.1
-0.06
+0.15
-0.1
0.6
Ｇnd
+0.2
-0.1
・Operating
in one way magnetic field
・Operating
with independent pole
(easily manufacture)
・Lead
free products
1.6
0∼0.1
Ｖcc
Ｏut
0.95
0.95
0.8
±0.1
1.1
±0.1
2.9
±0.2
2.Fundamental Operation
2-1.Direction of Magnetic Field
Ｒ1
2-2.Circuit Block
Ｖ½½
Ｒ2
SAMPLING
LOGIC
LATCH
C-MOS
Operation
ＯＵＴ
Op-A mp
Ｒ3
Ｒ4
SWITCH
R1∼R4 ：MR Elements
ＧＮＤ
2-3.Performance Characteristics (25+3ºC)
Operating require
Condition
H = 0 mT (
Magnetic Flux Density)
[0 A/m (
Magnetic Field Strength)
]
H
≧1.7
(Typ)
mT (
Magnetic Flux Density)
[1.4kA/m (
Magnetic Field Strength) ]
H
≦
0.5 mT (
Magnetic Flux Density)
[0.6kA/m (
Magnetic Field Strength)
]
Output
Voltage
Hi-level
Lo-level
Hi-level
When power switch is ON
When magnetic field is applied
When magnetic field is applied
DATA SHEET
MR Sensor
MRSS23E
3.Performance
3-1.Operating Conditions Recommended
(Ta = 25+3
º
C
unless otherwise specified)
Item
Source Voltage
Source Current
Ambient
Temperature
Output Voltage
VOL
Hi-level
output
Hon
Lo-level
output
Hoff
*1)
Output
-
-
-
VOH
Condition
-
Vcc=3V
-
Vcc=1.8V
Iout=1mA
VCC=1.8V
Iout=-1mA
Min
1.6
-
-40
1.6
-
-
0.5
(0.4)
Std
1.8
3
25
-
-
1.7
(1.4)
-
Max
3.5
-
85
-
0.2
2.2
(1.8)
-
Unit
V
µA
ºC
V
V
mT
(*1
(kA/m)
Operating Magnetic
Field
1 [mT] (SI) = 10 [G] (CGS)
3-2.Absolute Maximum Ratings
(Ta = 25+3
º
C
unless otherwise specified)
Item
Source Voltage
Storage
Temperature
Condition
-
-
Specifications
6.0
-40 ~ 125
Unit
V
ºC
The products and product specifications described in this material are subject to change
without notice for reasons of modification or improvement.
DATA SHEET
MR Sensor
MRSS23E
・Recommended
Mount Pad
0.8
1.0
0
.
95
1.9
0.95
(Unit : mm)
The products and product specifications described in this material are subject to change
without notice for reasons of modification or improvement.
NEC Corporation
Fiber Optic Device Division
(Shin Tamachi Building) 34-6, Shiba 5-chome, Minato-ku,
Tokyo 108-0014, Japan
Tel:+81-3-3798-5864 Fax:+81-3-3798-5857
http://www.sw.nec.co.jp/on/dd/en/
EWV-19-0087-01E, Feb., 2005
Copyright © 2005 NEC Corporation
2.4
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