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PDF M52957AFP Data sheet ( Hoja de datos )

Número de pieza M52957AFP
Descripción Distance Detection Signal Processing for 3V Supply Voltage
Fabricantes Hitachi 
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M52957AFP
Distance Detection Signal Processing for 3V Supply Voltage
REJ03F0069-0100Z
Rev.1.0
Sep.19.2003
Description
M52957AFP is a semiconductor integrated circuit containing distance detection signal processing circuit for 3V supply
voltage.
This device transforms each optical inflow current I1 and I2 from PSD SENSOR into the voltage, and integrates that
output after doing calculation corresponds to I1/(I1+I2), and outputs it as the time data(pulse term).
Features
Wide supply voltage range Vcc=2.2 to 5.5V
Includes clamp level switching circuit
(Switch is 16 kinds by outside control)
Includes STANDBY function
Includes POWER ON RESET function
Application
Auto focus control for the CAMERA
Sensor for short distance etc
Recommended Operating Condition
Rated supply voltage • • • • • • • • • • • • • • • 3.0V
Supply voltage • • • • • • • • • • • • • • • 2.2 to 5.5V
Rev.1.0, Sep.19.2003, page 1 of 13

1 page




M52957AFP pdf
M52957AFP
Electrical characteristics (cont.)
Classification
Double
integration
AF input
condition 1
AF input
condition 2
AF input
condition 3
AF input
condition
1 minus 2
Data
Sensor
Parameter
CINT rapid charge
current
CINT reference voltage
The first integration
current
The second integration
current
The first integration
current stability
percentage
The second integration
current stability
percentage
The first and second
integration current ratio
AF output time(9:1)-1
AF output time(6:4)-1
AF output time(3:7)-1
AF slope -1
AF linearity-1
AF output time(9:1)-2
AF output time(6:4)-2
AF output time(3:7)-2
AF slope -2
AF linearity-2
AF output time(9:1)-3
AF output time(6:4)-3
AF output time(3:7)-3
AF slope -3
AF linearity-3
AF output time(9:1)
AF output time(6:4)
AF output time(3:7)
SOUT leak current
SOUT saturation
voltage
Signal light saturation
current
Stationary light remove
current
Clamp level
Symbol
ICINTC
VCINT
ICI1
ICI2
ICI1
ICI2
ICI12
D(9:1) - 1
D(6:4) - 1
D(3:7) - 1
AF - 1
LAF - 1
D(9:1) - 2
D(6:4) - 2
D(3:7) - 2
AF - 2
LAF - 2
D(9:1) - 3
D(6:4) - 3
D(3:7) - 3
AF - 3
LAF - 3
D(9:1)
D(6:4)
D(3:7)
ISOUTL
VSOUTS
INF
IPSD
ICLAM
Limits
Min.
84
1.6
4.06
(Ta = 25°C, VCC = 3.0V, unless otherwise noted.)
Typ.
120
1.8
5.80
Max. Unit
156 µA
2.0 V
7.54 µA
Test conditions
VCI=1V
(CINT stable period)
GND criterion
VCINT=1.5V
Note
*1
*1
*1
3.20 2.46 1.27 µA
  10 %
VCHF=2V ,
VCHN=0V
*1
*2
  10 %
*2
2.12 2.36 2.60
| ICI1 | / | ICI2 |
11.78
7.77
3.77
6.57
0.9
11.78
7.77
3.77
6.57
0.9
11.78
7.77
3.77
6.57
0.9
13.40
8.95
4.51
8.89
1.0
13.40
8.95
4.51
8.89
1.0
13.40
8.95
4.51
8.89
1.0
15.02
10.13
5.25
11.21
1.1
15.02
10.13
5.25
11.21
1.1
15.02
10.13
5.25
11.21
1.1
280
msec
msec
msec
msec
msec
msec
msec
msec
msec
msec
msec
msec
µsec
280 µsec
280 µsec
1.0 µA
0.3 V
Near side9 : Far side1
Near side6 : Far side4
Near side3 : Far side7
Near side9 : Far side1
Near side6 : Far side4
Near side3 : Far side7
Near side9 : Far side1
Near side6 : Far side4
Near side3 : Far side7
Near side9 : Far side1
(Condition 1-2)
Near side6 : Far side4
(Condition 1-2)
Near side3 : Far side7
(Condition 1-2)
VIN = 5.5V
IOUT=500µA
*3
*3
*3
*3
*3
*3
*3
*3
*3
*3
*3
*3
*3
*3
*3
3.0   µA
*4
  30 µA
*4
30
30 %
Change quantity for
Typ. current
Rev.1.0, Sep.19.2003, page 5 of 13

5 Page





M52957AFP arduino
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Rev.1.0, Sep.19.2003, page 11 of 13

11 Page







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