MB40568P-SK Fujitsu Microelectronics, Inc., MB40568P-SK Datasheet
MB40568P-SK
Related parts for MB40568P-SK
MB40568P-SK Summary of contents
Page 1
FUJITSU SEMICONDUCTOR DATA SHEET ASSP Image Processing BIPOLAR A/D Converter (1-channel, 8-bit low-power model with built-in clamp circuit) MB40568 DESCRIPTION The MB40568 is an all-parallel (flash type) A/D converter for 8-bit video applications, and uses high-speed bipolar process technology for ...
Page 2
MB40568 PIN ASSIGNMENTS (Top view) D.GND 1 D (LSB (MSB CLK 10 D.GND 11 (DIP-22P-M04) PIN DESCRIPTIONS ...
Page 3
Pin no. Symbol DIP SOP CLMP INA 19 — — — REF — Function Clamp voltage output pin A capacitor of at least ...
Page 4
MB40568 BLOCK DIAGRAMS 1. SK-DIP CLK INA V 14 CCA CCA 127 R/2 R/2 128 R 254 R 255 INC Clamp Circuit ...
Page 5
SOP CLK INA V 14 CCA CCA 127 R R/2 128 R 254 R 255 REF V 15 ...
Page 6
MB40568 ABSOLUTE MAXIMUM RATINGS (See WARNING) Parameter Power supply voltage Digital input voltage Analog input voltage Analog reference voltage* Clamp circuit input voltage Storage temperature * : Package : SOP V = 2.0 ± 0 2.0 ± ...
Page 7
ELECTRIC CHARACTERISTICS 1. DC Characteristics (1) Analog DC Characteristics Parameter Resolution Linearity error* Equivalent analog input resistance Analog input capacitance Analog high-level input current Analog low-level input current Clamp circuit input current Reference voltage Clamp voltage Reference current * : ...
Page 8
MB40568 2. Switching Characteristics Parameter Maximum conversion rate Digital output delay time TIMING DIAGRAM 3 V CLK 0 V SAMPLE N V INA CCA CCD Symbol Min. ...
Page 9
TYPICAL CHARACTERISTIC CURVES Power supply current vs. Temperature 100 5. 5. – Ambient temperature Reference voltage vs. Temperature 3. ...
Page 10
MB40568 (Continued) Digital high-level output voltage vs. Temperature 5.0 4.0 3.0 2.0 1.0 0 – Ambient temperature Clamp voltage vs. Temperature 3.40 3.30 3.20 3.10 3.00 2.90 – Ambient temperature ...
Page 11
Digital output delay time vs. Temperature – Ambient temperature S/Nq (RMS Signal/RMS Noise) vs. Clock frequency + +25 C ...
Page 12
MB40568 EQUIVALENT CIRCUIT 1. Analog Input Equivalent Circuit V CCA V INA 255 CIRCUITS C : Non-linear Emitter-Follower Junction Capacitance INA R : Linear Resistance Model for Input Current Transition by Comparator Switching INA Infinite value for ...
Page 13
Equivalent Circuit of Reference Circuit Block V CCA A.GND 4. Digital Input Equivalent Circuit V CCD Clock input 5. Load Circuit for Output Buffer To output pin 20 k Buffer 6.5 k ...
Page 14
MB40568 LINEARITY ERROR 1. Ideal Conversion Characteristics STEP OUTPUT CODE 255 11111111 254 11111110 253 11111101 • • • • • • 129 10000001 128 10000000 127 01111111 • • • • • • 2 00000010 1 00000001 0 00000000 ...
Page 15
Actual Conversion Characteristics STEP OUTPUT CODE 255 11111111 254 11111110 253 11111101 • • • • • • 129 10000001 128 10000000 127 01111111 • • • • • • 2 00000010 1 00000001 0 00000000 V LE129 LE128 ...
Page 16
MB40568 CLAMP CIRCUIT OPERATION The MB40568’s internal clamp circuit is a peak-detection type circuit, which clamps compound synchronized signals using the lowest sync point as clamp voltage (V The clamp voltage is set at 0.6 If the clamp circuit is ...
Page 17
TYPICAL CONNECTION EXAMPLES 1. On-Chip Input PNP Transistor Utilized Video signal input + CCA 15 V INC 16 V OUTC MB40568 – CLMP V 18 INA A.GND MB40568 + CCD D.GND ...
Page 18
MB40568 2. Input PNP Transistor of Clamp Circuit is Put Externally +9 V Video signal input 2SA933 18 External circuit – CCA CCD V INC ...
Page 19
... ORDERING INFORMATION Part number MB40568P-SK MB40568PF Package 20 pin Plastic SK-DIP (DIP-20P-M04) 24 pin Plastic SOP (FPT-24P-M02) MB40568 Remarks 19 ...
Page 20
MB40568 PACKAGE DIMENSIONS 20-pin Plastic SK-DIP (DIP-22P-M04) INDEX-1 INDEX-2 4.36(.172)MAX 3.00(.118)MIN +0.50 0.86 –0 +.020 .034 –0 1.27(.050) 2.54(.100) MAX 1994 FUJITSU LIMITED D22008S-4C +0.20 27.18 –0.30 +.008 1.070 –.012 (.260±.010) 0.51(.020)MIN 0.46±0.08 (.018±.003) +0.50 1.27 –0 +.020 ...
Page 21
Plastic SOP (FPT-24P-M02) +0.25 +.010 15.24 .600 –0.20 –.008 1 PIN INDEX 1.27(.050)TYP 0.45±0.10 (.018±.004) "A" 0.10(.004) 13.97(.550)REF 1994 FUJITSU LIMITED F24008S-4C-4 C 2.80(.110)MAX 0.05(.002)MIN (STAND OFF) 7.60±0.30 10.20±0.40 (.299±.012) (.402±.016) +0.05 0.15 –0.02 Ø0.13(.005) M +.002 .006 ...
Page 22
MB40568 MEMO 22 ...
Page 23
MEMO MB40568 23 ...
Page 24
... Electronic Devices KAWASAKI PLANT, 4-1-1, Kamikodanaka Nakahara-ku, Kawasaki-shi Kanagawa 211-88, Japan Tel: (044) 754-3763 Fax: (044) 754-3329 North and South America FUJITSU MICROELECTRONICS, INC. Semiconductor Division 3545 North First Street San Jose, CA 95134-1804, U.S.A. Tel: (408) 922-9000 Fax: (408) 432-9044/9045 Europe FUJITSU MIKROELEKTRONIK GmbH ...