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Teilenummer | M61006FP |
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Beschreibung | DISTANCE DETECTION SIGNAL PROCESSING FOR 3 V SUPPLY VOLTAGE | |
Hersteller | Hitachi Semiconductor | |
Logo | ||
Gesamt 16 Seiten M61006FP
DISTANCE DETECTION SIGNAL PROCESSING
FOR 3 V SUPPLY VOLTAGE
REJ03F0039-0100Z
Rev.1.0
Sep.16.2003
Description
M61006FP is a semiconductor integrated circuit including distance detection signal processing circuit for 3 V supply
voltage. This device transforms each optical inflow current I1 and I2 from PSD SENSOR into the voltage, and
integrates the output after doing calculation corresponds to I1 / (I1+I2), and outputs it as the voltage data.
Features
• Wide supply voltage range: Vcc = 2.2 to 5.5 V
• Including clamp level switching circuit
(It is possible to set a clamp level to 15 points with outside control.)
• Including infinity discrimination function
(clamp on detection function)
• Including POWER ON RESET function
• Including simple temperature detection function
(It is possible to correct temperature with transmitting this output to the microcomputer. )
Application
• Auto focus control for a camera, short distance sensor, etc.
Recommended Operating Condition
• Supply voltage range …… 2.2 V to 5.5 V
• Rated supply voltage …… 3.0 V
Block Diagram
Vcc1 Vcc2
5 12
CV
NC
16
AFOUT
1
0.032µF
CHN
Capacitance for
stationary lihgt
hold 1 µF
15
TESTN
I1
STATIONARY
14 LIGHT
REMOVE
I/V
TRANSFORM
AMP
PSDN
DIELECTRIC DIVIDEPOLE
MEASURES CIRCUIT
TEMPERATURE
DETECTION
CIRCUIT
OUTPUT
CIRCUIT
RECKON
I1
HOLD
HOLD
PSD
I2
PSDF
11
STATIONARY
LIGHT
REMOVE
I/V
TRANSFORM
AMP
INFINITY
JUDGE
CIRCUIT
CLAMP
CIRCUIT
CHF
10
1 µF
Capacitance for
stationary lihgt
hold
2
GND1
HOLD
POWER
ON
RESET
3
GND2
SEQUENTIAL CONTROL LOGIC
68
CONT CLALV
Input control signal Input control signal
I1 + I2
TESTF
INFINITY JUDGE
OUTPUT CIRCUIT
7
CMOUT
9 NC
Note: Pin9, 16 is avail only for engineering sample.
Rev.1.0, Sep.16.2003, page 1 of 15
M61006FP
Electrical Characteristics - 3
Classifi- Parameter
cation
Clamp
determin
ation
SENSOR
CMOUT leak current
CMOUT saturation current
Signal ray maximum current
Capacity of the current to extract
stationary rays
Clamp level
Clout for
measure
ment rays
Nch Response speed of Circuit for
measurement rays
Fch Response speed of Circuit for
measurement rays
Symbol
ICMOUTH
VCMOUTL
∆INF
IPSD
ICLAM
∆TTESTN
∆TTESTF
Test conditions
VCMOUT = 5.5 V
ICMOUT = 500 µA
The change values
about TYP current
(Design target value)
Limits
Min Typ Max
— — 1.0
— — 0.3
— — 3.0
— — 30
–50 — 50
— — 26
— — 26
Unit
µA
V
µA
µA
%
µsec
µsec
(Ta = 25°C)
VCC Note
(V)
3.0 *6
*6
*4
*8
*4
*8
*5
*6
*5
*6
Rev.1.00, Sep.16.2003, page 6 of 15
6 Page M61006FP
(4) AFOUT:
After reset cancel, the voltage is outputted at intervals of temperature correct integration and distance
measurement integration from about 0 V to above a D range of this pin. The output is carried out linearly by
integration current or integration time.
(5) CMOUT:
After the CONT pin input 7th clock fall from reset cancel, the signal current at PSDF side is distinguished from
the clamp level in terms of the values. The result is outputted at each discrimination as the follows.
And after the CONT pin input 7th clock fall, the discrimination is carried out with the beginning of distance
measurement start. After reset cancel, until CONT pin input 8th clock “H” is further outputted.
CONT
RESET
H
L
H
L
1
6 78
9 10
•••
••
discriminating point
discriminating point
•••
••
H
CMOUT
L
•••
••
reset cancel
PSDF side signal current
CMOUT output
Greater than clamp level
H
Notes:
Less than clamp level
L
1. It is necessary to contact a control signal for IRED with the control signal mentioned above.
2. Connect NC terminals (4, 9, 12, 16 pin) to Vcc1 terminal or GND.
Rev.1.00, Sep.16.2003, page 12 of 15
12 Page | ||
Seiten | Gesamt 16 Seiten | |
PDF Download | [ M61006FP Schematic.PDF ] |
Teilenummer | Beschreibung | Hersteller |
M61006FP | DISTANCE DETECTION SIGNAL PROCESSING FOR 3 V SUPPLY VOLTAGE | Hitachi Semiconductor |
M61006FP | DISTANCE DETECTION SIGNAL PROCESSING FOR 3 V SUPPLY VOLTAGE | Hitachi |
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