PDF LC898123XC Data sheet ( Hoja de datos )

Número de pieza	LC898123XC
Descripción	OIS/AF Controller & Driver
Fabricantes	ON Semiconductor
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No Preview Available ! LC898123XC CMOS LSI OIS/AF Controller & Driver www.onsemi.com Overview LC898123XC is a system LSI integrating an on-chip 32bit DSP, a Flash Memory and peripherals including analog circuits for OIS(Optical Image Stabilizer) /AF(Auto Focus) control and H-bridge and constant current drivers. Features  On-chip 32-bit DSP  Built-in software digital servo filter  Built-in Gyro filter  Flash Memory  12k Byte Flash memory to store data and DSP program  Peripherals  AD converter  12bit  Input 4ch  Equipped with a sample-hold circuit  DA converter  8bit  Output 3ch  Built-in Serial I/F circuit (2-wire Bus) (1MHz)  Built-in Hall Bias circuit  Built-in Hall Amp (Gain of Op-amp : 6, 12, 50, 75, 100, 150, 200)  Built-in OSC (Oscillator)  Typ. 41MHz (with Frequency adjustment function)  Built-in LDO (Low Drop-Out regulator)  Digital Gyro I/F for various types of gyro (SPI Bus)  Motor Driver  OIS Constant current linear driver (2ch, Ifull=195mA) H-bridge driver (2ch, Io max=220mA)  OP-AF (unidirection) Constant current linear driver (1ch, Ifull=135mA)  OP-AF (bidirection) Constant current linear driver (1ch, Ifull=130mA)  Package  WLCSP35 (3.39mm  2.3mm)  Pb-Free / Halogen Free  Power Supply Voltage  AD/DA/VGA/LDO/OSC : AVDD30=2.6V to 3.6V  Digital I/O : DVDD30=2.6V to 3.6V  Driver : VM=2.6V to 3.6V  Core Logic : Generation by on-chip LDO DVDD15=1.5V (typ) output WLCSP35 3.39x2.3 ORDERING INFORMATION See detailed ordering and shipping information on page 12 of this data sheet. © Semiconductor Components Industries, LLC, 2014 November 2014 - Rev. 1 1 Publication Order Number : LC898123XC/D 1 page LC898123XC Pin Description I/O I Input O Output B Bidirection P Power 3IC 3IS 3ICUD 3ISUD 3ICD 3ISD Pin Specification 3V CMOS Input 3V CMOS Schmitt Input 3V CMOS Input with PullUp/PullDown 3V CMOS Schmitt Input with PullUp/PullDown 3V CMOS Input with PullDown 3V CMOS Schmitt Input with PullDown 3O2 3T2 3OD 3V 2mA Output 3V 2mA TriState Output 3V 2mA Open Drain Output 3IA 3OA 3V Analog Input 3V Analog Output Z/U/D HiZ/PullUp/PullDown H/L HIGH/LOW 3IC 3V CMOS Input 3IS 3V Schmitt Input 3ICUD 3V CMOS Input with PullUp/ Pulldown 3ISUD 3V Schmitt Input with PullUp/ Pulldown 3ICD 3V CMOS Input with Pulldown 3ISD 3V Schmitt Input with Pulldow PAD PAD PAD CTL CTL PAD CTL CTL PAD CTL PAD CTL 3O2 3V 2mA Output 3V 2mA 3T2 TriState Output 3OD 3V 2mA Open Drain Output PAD EN PAD PAD www.onsemi.com 5 5 Page LC898123XC 2-wire serial Interface Timing The communication protocol is compatible with I2C (Fast mode Plus). This circuit has clock stretch function. I2C interface timing definition Item Symbol Pin name Min Typ Max Units SCL clock frequency Fscl I2CCK 1000 kHz START condition hold time SCL clock Low period SCL clock High period Setup time for repetition START condition Data hold time tHD,STA tLOW tHIGH tSU,STA tHD,DAT Data setup time SDA, SCL rising time SDA, SCL falling time STOP condition setup time Bus free time between STOP and START tSU,DAT tr tf tSU,STO tBUF I2CCK I2CDT I2CCK I2CCK I2CCK I2CDT I2CCK I2CDT I2CCK I2CDT I2CCK I2CDT I2CCK I2CDT I2CCK I2CDT I2CCK I2CDT 0.26 0.5 0.26 0.26 0 (1) 50 0.26 0.5 s s s s 0.9 s ns 120 ns 120 ns s s (1) Although the I2C specification defines a condition that 300 ns of hold time is required internally, LC898123 is designed for a condition with typ. 100 ns of hold time. If SDA signal is unstable around falling point of SCL signal, please implement an appropriate treatment on board, such as inserting a resistor. www.onsemi.com 11 11 Page

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