IR3Y38M Sharp Electrionic Components, IR3Y38M Datasheet
IR3Y38M
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IR3Y38M Summary of contents
Page 1
... IR3Y38M DESCRIPTION The IR3Y38M is a bipolar single-chip signal processing IC for CCD area sensors which includes correlated double sampling circuit (CDS), clamp circuit, automatic gain control amplifier (AGC), reference voltage generator, black level detection circuit, 10-bit analog-to-digital converter (ADC), and serial interface for internal circuits. ...
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... S/H 2 MAX. GAIN SELECTOR + – 8-BIT + AGC GAIN CONTROL D/A CONVERTER – BIAS GAIN 6-BIT OFFSET CONTROL D/A CONVERTER CLAMP AGCCTL AGCOUT ADIN OBCAP Å 2 IR3Y38M ADCK V GND V GND CC4 4 CC5 10-BIT OUTPUT 8 A/D BUFFER CONVERTER ...
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... V CC5 150 µ 200 GND 5 V CC1 15 µ 200 GND 1 3 IR3Y38M +5 +3.3 V.) CC6 LOGIC DESCRIPTION Digital data output pins of the A/D converter LSB. 0 The data format is a straight binary code 0.2 V (TYP – 0.2 V (TYP.) ...
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... GND 1 V CC1 200 13 k GND 1 4 IR3Y38M DESCRIPTION Analog power supply pin of the A/D converter. Analog GND pin of the A/D converter. Data input pin of the serial interface. TRUTH TABLE SDATA SCK Action DATA › SHIFT 0 fi ...
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... GND 2 5 IR3Y38M DESCRIPTION Power supply pin of the CDS/AGC. Bias decoupling pin of the CDS reference clamp circuit. This pin is connected to the GND 1 via a capacitor. Standby function control pin. All actions stop and the power consumption is decreased when low ...
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... V CC1 50 µ 200 11 k D/A GND 6 IR3Y38M DESCRIPTION Decoupling capacitor pin of the blanking offset control D/A converter. Connect to the GND a capacitor. 1 Blanking pulse input pin. The output of the AGCOUT pin is blanked when low. The blanking level can be controlled by the serial interface. ...
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... V CC4 GND IR3Y38M DESCRIPTION Voltage adjustment pin of the ADC black level clamp. This pin is biased at 3.3 V from the inside of the IC. Connect to the GND via a 4 capacitor if not used. Signal input pin of the ADC. Connect to the AGCOUT pin via a capacitor ...
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... V Standby Function By making the ‰ pin low, all actions of this IC stop and power consumption is decreased. The outputs of the A/D converter (DO to high impedance when on standby. 8 IR3Y38M DESCRIPTION ADC output voltage setting pin. The high level voltage of the pins is set to V – ...
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... Serial Interface Circuit The IR3Y38M has a serial interface to control the gain of the AGC amplifier and the offset of the blanking level. This interface is constituted by a shift register for serial-parallel conversion, data registers and D/A converters. The data input to SDATA is fetched and shifted at SDATA ...
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... SIG 1 S/H 2 output AGC output fl/H 3 S/H 3 output ADCK Reset Feed-through Pulse Level SIG 3 SIG 2 SIG 3 SIG 2 SIG 3 SIG 2 SIG 1 SIG 1 SIG 2 SIG 3 SIG 1 SIG 2 SIG SIG 1 t DLH t DHL 10 IR3Y38M Signal Level 3 SIG SIG WLH t WHL ...
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... OPB interval interval 1.5 µs min. 1.5 µs min. 11 IR3Y38M 3 ns min min. signal interval ...
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... WS Î, Å ADCK ADCK f SCK SCK 12 IR3Y38M pin 0 V. This may cause the latch up of – 1 spite of making CC pin the V potential +25 ˚C) A RATING UNIT 7 –0 0.3 CC 570 mW 4.5 mW/˚C –30 to +70 – ...
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... IR3Y38M 3.3 V, CC5 = CC6 = LOGIC = 0 V, fl/ fl/ MIN. TYP. MAX. UNIT – – 2.3 2.8 mA – ...
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... Measure the current of CLPCAP. CLPCAP = 3.6 V, OBP = 0 V Measure the current of CLPCAP. CLPCAP = 3.2 V, OBP = 3.3 V Measure the current of CLPCAP. OBCAP = 3.3 V, OBP = 0 V Measure the current of OBCAP. OBCAP = 4.1 V, OBP = 0 V Measure the current of OBCAP. OBCAP = 3.7 V, OBP = 3.3 V Measure the current of OBCAP. 14 IR3Y38M MIN. TYP. MAX. UNIT 2.9 3.2 3.6 V 2.3 2.5 2 ...
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... DO SW43 = (b), ADCIN = 3.5 V Output "High" voltage V Change the level of ADCK to L/H/L, then OH measure the voltages of DO CONDITIONS MIN. 3.0 1.2 3.7 1.8 50 – 30 –0.3 L/H/L, then – pins 2 pins IR3Y38M TYP. MAX. UNIT 3.3 3.6 V 1.4 1.6 V 3.9 4.1 V 1.95 2 –45 –30 µA 45 – µA 0 0.3 µA 0.2 ...
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... AGC gain variable width = CC1 CC2 CC3 CC4 = CONDITIONS . – AX7 AN 16 IR3Y38M 3.3 V, CC5 = CC6 = LOGIC = 0 V, fl/ fl/ MIN. TYP. MAX. UNIT 20 28.5 31 ...
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... SIN and measure the amplitude of the AGCOUT. CONDITIONS , (OFFSET Â BO11 . BO12 – V BON BO12 BO11 , (OFFSET) = 63, Â and V similarly to BO21 BO22 – V BON BO22 BO21 17 IR3Y38M MIN. TYP. MAX. UNIT 24 35 – MHz 13 20 – MHz – –75 – – mV 2.0 2.2 – Vp-p 2.0 2.2 – ...
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... times and make it a histogram. Normalize = IR3Y38M 3.3 V, CC5 = CC6 = LOGIC = 0 V, fl/ MIN. TYP. MAX – ±0.5 ± ...
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... Measurement Waveforms f [Hz] SG1 SG2 SG3 SG4 below 100 µ IR3Y38M above 1.5 µs 3.5 V 1.1 V ...
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... CLAMP 10-bit A/D Converter Output Buffer 0.1 µF 100 µF + Vcc IR3Y38M 0.1 µF V27 Vcc 1 0.1 µ 100 µF Vcc 1 24 SHISET GND 1 1 µF Clamp µF Clamp 21 1 0.1 µ ...
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PACKAGE 48 QFP (QFP048-P-0707) PACKAGES FOR CCD AND CMOS DEVICES 0.5 TYP. 0.2 ±0. (1.0) (1.0) 7.0 ±0.2 0.65 ±0.2 ±0.3 1.45 ±0.2 9.0 21 (Unit : mm) 0.15 ±0.05 0.1 ±0.1 ...