TRIANGULAR TYPE AUTO FOCUS Package 14-pin SSOP Operating voltage

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TRIANGULAR TYPE AUTO FOCUS Package 14-pin SSOP Operating voltage

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MX172
TRIANGULAR TYPE AUTO FOCUS
Package 14-pin SSOP Operating voltage 2V~4V Operating temperature -25oC~60oC Supply current max. 10mA (without output current) Input current level 1nA~5uA Surround light level max. 50uA (PSD output current) IRED drive output min. 20mA Magnet drive current min. 200mA Measuring time max. 50ms
DESCRIPTION
MX172 designed Triangular system auto focus cameras. regarded input component (Position Sensitive Diode), comprises circuits that drive magnet output, infrared emission diode current control circuit, control circuit sequential timing.
CONFIGURATION
SSOP
PSD1 PSD2 OUT1 OUT2 IRED CTRL
FUNCTIONS
SYMBOL PSD1 PSD2 CTRL IRED OUT2 OUT1 NAME Ground Hold Capacitor Input Input Hold Capacitor Supply (Secondly) Supply (Battery) Adjustment Adjustment Timing Capacitor Power Control Output Control IRED Data Output (MSB) Data Output 1(LSB)
MX172
P/N: PM0168
REV. 2.1, 1995
MX172
BLOCK DIAGRAM
Surrounding light rejection Adjust
Comparator
Latch Encode
Output Driver
Output1,
PSD1
Head Amp.1 Inf.Cramp IRED
PSD2
Head Amp.2 Operation IRED Drive Circuit
Surrounding light rejection Sequence Control Logic Timing Circuit
Switch CTLR Timing
BASIC CONNECTION DIAGRAM
PSD1
OUT1 OUT2
IRED
0.47mF
IRED CTRL TIMING
PSD2
0.47mF
0.022mF
P/N: PM0168
REV. 2.1, 1995
MX172
ABSOLUTE MAXIMUM RATINGS
SYMBOL BVOC IOUT TOPR TOPR TSTG PARAMETER Supply Voltage Power Dissipation Power Dissipation Ratio Input Voltage Output Voltage Output Current Operating Temperature Operating Temperature Storage Temperature RATING -0.3~4.0 -0.3~VCC+0.3 -0.3~7.0 -25~+60 -15~+50 -55~+150 UNIT mW/oC
CONDITION
TA<25oC TA>25oC
(NOTE)
NOTE: operating temperature range expresses qualitative operating temperature range does guarantee characteristics.
CHARACTERISTICS 25oC, 2.2V, 3.0V, 4.0V)
SUPPLY CURRENT
SYMBOL ICC1 ICC1 ICC2 ICC3 ICC4 ICC5 ICC6 PARAMETER Standby Current Quick Charge State (Charge) Quick Charge State (Discharge) Steady State (Charge) Steady State (Discharge) IRED Flashing State Finish State 40.0 UNIT CONDITION
TIMING CIRCUIT
SYMBOL VTH1 VTH2 DVTH2/3 VSATPNP PARAMETER Charge Current Discharge Resistance Threshold Voltage1 Threshold Voltage2 Deference Vth2/3 VE/VCC (SAT) 1280 14.0 1383 25.0 1420 35.0 UNIT CONDITION
P/N: PM0168
REV. 2.1, 1995
MX172
HEAD AMPLIFIER/ADJUSTMENT CIRCUIT
SYMBOL ISDMX IADJ VCOMP1 VCOMP2 PARAMETER Input Voltage Max. Surround Light Adj. Current Compare Voltage1 Compare Voltage2 16.0 38.0 44.0 50.0 UNIT Signal Ratio=3:7 Signal Ratio=5:5 CONDITION
HOLD CAPACITOR CHARGE/DISCHARGE CURRENT
SYMBOL ICH1 ICH2 ICH3 ICH4 ICH5 PARAMETER Quick Charge Current Quick Discharge Current Steady Charge Current Steady Discharge Current Input Current -300 -1000 1200 UNIT CONDITION
DATA OUTPUT TERMIANAL
SYMBOL IOUTLK1 IOUTLK2 VOUTSAT1 IOUTMX1 VOUTMAX1 VOUTSAT2 IOUTMX2 VOUTMX2 PARAMETER Output Leak Current Output Leak Current Saturation Voltage Max. Output Current1 Max. Voltage1 Saturation Voltage2 Max. Output Current2 Max. Voltage2 10.0 10.0 UNIT 300mA 300mA CONDITION 10.0V VO=VCC 20mA
IRED FLASHING CONTROL CIRCUIT
SYMBOL VIRED1 VIRED2 IIREDMX PARAMETER IRED Voltage (ON) IRED Voltage (OFF) Max. Output Current 15.0 1030 UNIT CONDITION
P/N: PM0168
REV. 2.1, 1995
MX172
TIMING WAVEFORM
(POWER) IRED
MAG.
20MS (TYP.) 0.12MS (TYP.)
ORDERING INFORMATION
PART MX172MC PACKAGE SSOP
PACKAGE INFORMATION
PLASTIC SSOP
UNIT
5.0+0.3
6.4+0.3 4.4+0.2
1.15+0.2
0.22+0.1
0.65
0.10
0.11
0.2+0.1
P/N: PM0168
REV. 2.1, 1995
MX172
MACRONIX INTERNATIONAL CO., LTD.
HEADQUARTERS:
TEL:+886-3-578-8888 FAX:+886-3-578-8887
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TEL:+32-2-456-8020 FAX:+32-2-456-8021
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TEL:+81-44-246-9100 FAX:+81-44-246-9105
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TEL:+65-747-2309 FAX:+65-748-4090
TAIPEI OFFICE:
TEL:+886-3-509-3300 FAX:+886-3-509-2200
MACRONIX AMERICA, INC.
TEL:+1-408-453-8088 FAX:+1-408-453-8488
CHICAGO OFFICE:
TEL:+1-847-963-1900 FAX:+1-847-963-1909
http //www.macronix.com
MACRONIX INTERNATIONAL CO., LTD. reserves rignt change product specifications without notice.

TRIANGULAR TYPE AUTO FOCUS Package 14-pin SSOP Operating voltage

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