FUJITSU SEMICONDUCTOR DATA SHEET ASSP DS04-28313-1E Image Processing BIPOLAR D/A Converter (1-ch, 8-bit, 60 MSPS) MB40768H DESCRIPTION The MB40768H is a low-power and high-speed 8-bit D/A converter. The digital input is TTL compatible and the analog output voltage is 3 to 5 V. Maximum conversion speed is 60 MHz. The internal reference voltage provided has two types of resistor division scheme and band-gap reference scheme; the external reference voltage may also be used. The MB40768H is suitable for high-definition TV or VCR application. FEATURES * Resolution: 8 bits * Conversion characteristics: Maximum conversion rate: 60 MSPS [min.] Linearity error: 0.2 % [max.] * I/O: Digital input voltage: TTL level Analog output voltage: 2VP-P (3 to 5 V) * Reference voltage: VROUT1: Resistor division circuit (0.6 x VCCA) VROUT2: Band-gap reference circuit (VCCA - 2 V) * Power supply voltage: +5 V single power supply * Power consumption: 160 mW [typical value for the analog output voltage of 2 VP-P] 120 mW [typical value for the analog output voltage of 1 VP-P] PACKAGES 18-pin Plastic DIP 20-pin Plastic SOP (DIP-18P-M02) (FPT-20P-M01) MB40768H PIN ASSIGNMENTS (Top view) (Top view) (MSB) D1 D2 1 2 18 17 CLK (MSB) D1 VCCD D2 1 2 20 19 CLK VCCD D3 3 4 16 15 VCCA A.OUT D3 D4 D4 3 4 18 17 VCCA A.OUT D5 D6 5 6 14 13 VROUT2 VRIN D5 D6 5 6 16 15 VROUT2 VRIN D7 (LSB) D8 7 8 12 11 VROUT1 COMP D7 7 8 14 13 VROUT1 (LSB) D8 D.GND 9 10 A.GND N.C. 9 10 12 11 D.GND N.C. COMP A.GND (DIP-18P-M02) (FPT-20P-M01) PIN DESCRIPTIONS Pin No. Pin name I/O 1 to 8 D1 to D8 I Input pins for data signals (D1: MSB, D8: LSB) 18 20 CLK I Input pin for clock signal 17 19 VCCD -- Digital power supply pin (+5 V) 16 18 VCCA -- Analog power supply pin (+5 V) 9 10 D.GND -- Digital ground pin (0 V) 10 11 A.GND -- Analog ground pin (0 V) DIP SOP 1 to 8 13 12 2 15 14 VRIN VROUT1 Description I Reference voltage input pin. Used for setting dynamic range for analog output. Connect this pin with either VROUT1 or VROUT2 pin when using the internal reference voltage. When using the external reference voltage, use it within the range of 2.65 to 4.3 V or for the VCCA - VRIN range of 0.7 to 2.2 V. O Reference voltage output pin 1. Resistance division reference voltage, with its output voltage set to 0.6 x VCCA. This pin, if connected with the VRIN pin, provides VCCA analog output voltage at 0.6 x VCCA. 14 16 VROUT2 O Reference voltage output pin 2. Band-gap reference voltage, with its output voltage set to VCCA - 2 [V]. This pin, if connected with the VRIN pin, provides the VCCA analog output voltage at VCCA 1 - 2 [V]. 11 12 COMP -- Phase compensated capacitance pin. Insert the capacitance of 0.1 F or more between this pin and the A.GND for the phase compensated capacitance. 15 17 A.OUT O Analog signal output pin -- 9, 13 N.C. -- No connection pins MB40768H BLOCK DIAGRAM CLK A.OUT (MSB) D1 R D5 D6 8 8 8 Current switch D4 Buffer Input buffer D3 Master slave flip-flop D2 R 2R R 2R R 2R R 2R R R D7 D8 (LSB) VCCA Reference resistor Amp Reference voltage 1 0.6 x VCCA D.GND A.GND VROUT1 Reference voltage 2 VCCA - 2 V VROUT2 VRIN COMP VCCD VCCA 3 MB40768H ABSOLUTE MAXIMUM RATINGS (See WARNING) (A.GND = D.GND = 0 V) Parameter Power supply voltage Symbol Rating Units Analog power supply voltage VCCA -0.5 to +7.0 V Digital power supply voltage VCCD -0.5 to +7.0 V Power supply voltage difference VCCD - VCCA 1.5 V Digital signal input voltage VID -0.5 to +7.0 V Storage temperature Tstg -55 to +125 C WARNING: Permanent device damage may occur if the above Absolute Maximum Ratings are exceeded. Functional operation should be restricted to the conditions as detailed in the operational sections of this data sheet. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. RECOMMENDED OPERATING CONDITIONS (A.GND = D.GND = 0 V) Parameter Value Min. Typ. Max. Units Analog power supply voltage VCCA 4.75 5.00 5.25 V Digital power supply voltage VCCD 4.75 5.00 5.25 V Power supply voltage difference VCCA - VCCD -0.2 -- 0.2 V VCCA - VRIN 0.70 2.00 2.20 V VRIN 2.65 3.00 4.30 V Digital High level input voltage VIHD 2.0 -- -- V Digital Low level input voltage VILD -- -- 0.8 V Clock frequency fCLK -- -- 60 MHz Setup time tsu 8 -- -- ns Hold time th 2 -- -- ns High level minimum pulse width twH 6.5 -- -- ns Low level minimum pulse width twL 6.5 -- -- ns Phase compensated capacitance CCOMP 0.1 -- -- F Operating ambient temperature Top -20 -- +75 C Power supply voltage Analog reference voltage 4 Symbol MB40768H ELECTRIC CHARACTERISTICS 1. DC Characteristics Parameter (VCCA = VCCD = 4.75 V to 5.25 V, A.GND = D.GND = 0 V, Ta = -20C to +75C) Symbol Condition Resolution -- -- Linearity error LE Digital High level input current Value Units Min. Typ. Max. -- -- 8 bit DC precision -- -- 0.2 % IIHD VIHD = 2.7 V -- -- 20 A Digital Low level input current IILD VILD = 0.4 V -100 -- -- A Reference input current IRIN VRIN = 3.000 V -- -- 10 A Reference voltage VROUT1 VCCA = 5.00 V VCCD = 5.00 V 2.900 3.000 3.100 V Reference voltage VROUT2 -- -- -- -- 100 -- ppm/C Full-scale output voltage VOFS -- VCCA - 20 VCCA -- mV Zero-scale output voltage VOZS 2.938 3.008 3.078 V 192 240 288 -- 32* 56 mA Resistance division method Band-gap reference method Temperature coefficient VCCA = 5.00 V VCCD = 5.00 V VRIN = 3.000 V Output resistance RO Ta = +25C Current consumption ICC VCCA = 5.25 V VCCD = 5.25 V VRIN = VROUT1 VCCA - 2.100 VCCA - 2.000 VCCA - 1.900 V * : VCCA = VCCD = 5 V 2. AC Characteristics (VCCA = VCCD = 4.75 V to 5.25 V, A.GND = D.GND = 0 V, Ta = -20C to +75C) Parameter Maximum conversion rate Symbol Fs Output propagation time tpd Output rise time tr Output fall time tf Settling time Condition tset CL = 15 pF Terminal resistance at A.OUT pin = 240 Value Units Min. Typ. Max. 60 -- -- MSPS -- 7 -- ns -- 5 -- ns -- 5 -- ns -- 15 -- ns 5 MB40768H TIMING DIAGRAM tsu th 3V VIHD Data input 1.5 V 0V VILD twH twL 3V VIHD Clock input 1.5 V VILD 0V 1/2 LSB VOFS 90 % 90 % Analog ouput 50 % 50 % 10 % 10 % VOZS tr tf tsetLH tPLH 6 tsetHL tPHL 1/2 LSB MB40768H DIGITAL INPUT EQUIVALENT CIRCUIT VCCD 50 k 50 k Digital input CLK, D1 to D8 Threshold voltage = 1.4 V D.GND ANALOG OUTPUT EQUIVALENT CIRCUIT VCCA RO = 240 A.OUT IO A.GND REFERENCE VOLTAGE OUTPUT EQUIVALENT CIRCUIT VCCA VCCA 4 k VROUT1 BGR 6 k - A.GND VROUT2 + RS* *: Overcurrent protection resistor (2 k) when short-circuited to GND. 7 MB40768H DAC OUTPUT VOLTAGE CHARACTERISTIC Input Output D1 to D8 A.OUT FF (VCCA) VOFS 5.000 V 5.000 V 00 VOZS (VRIN) 3.008 V 3.000 V . 1 LSB =. 8 mV EQUATION FOR IDEAL DAC OUTPUT VOLTAGE 255 -N x (VCCA - VRIN) 256 (N: digital input code for 0 to 255) A.OUT = VCCA - VOFS = VCCA VOZS = VCCA - 8 255 x (VCCA - VRIN) 256 MB40768H STANDARD EXAMPLE OF CONNECTION 5V 2.2 H 0.01 F 47 F VCCD DATA input D1 to D8 2.2 H 47 F VCCA A.OUT VROUT2 VRIN VROUT1 CLK input CLK D.GND 0.01 F Connected to VROUT1 or VROUT2 pin or external reference voltage COMP A.GND 0.1 F NOTES ON USAGE * Countermeasures for switching noise To prevent the switching noise riding on the analog output signal to the maximum possible extent, insert the noise limiting capacitor between VCCA-A.GND pins, and between VCCD-D.GND pins closest as possible to the IC pins. * Power supply patterns To reduce parasitic impedance, use the patterns as wide as possible to be connected to the VCCA, VCCD, A.GND and D.GND pins. 9 MB40768H TYPICAL CHARACTERISTIC CURVES 1. Power supply current vs Ambient temperature 2. Linearity error vs Ambient temperature 0.2 VCC = 5.25 V VRIN = VROUT1 VCC = 5.00 V VRIN = 3.000 V 80 Linearity error |LE| (%) Power supply current ICC (mA) 100 60 40 20 0 -25 0 25 50 75 0.15 0.1 0.05 0 -25 100 0 25 50 75 100 Ambient temperature Ta (C) Ambient temperature Ta (C) 3. Output resistance vs Ambient temperature 4. Full-scale output voltage vs Ambient temperature Full-scale output voltage VOFS (V) Output resistance RO () 300 280 260 240 220 200 -25 0 25 50 75 -10 -20 -30 -40 -25 100 Ambient temperature Ta (C) 25 50 75 100 6. VROUT1 reference output voltage vs Ambient temperature 3.100 VCC = 5.00 V VRIN = 3.000 V 3.050 3.000 2.950 0 25 50 75 Ambient temperature Ta (C) 100 Reference output voltage VROUT1 (V) 3.100 Zero-scale output voltage VOZS (V) 0 Ambient temperature Ta (C) 5. Zero-scale output voltage vs Ambient temperature 2.900 -25 VCC = 5.00 V VRIN = 3.000 V VCC (reference) VCC = 5.00 V 3.050 3.000 2.950 2.900 -25 0 25 50 75 100 Ambient temperature Ta (C) (Continued) 10 MB40768H (Continued) 8. VROUT2 reference output voltage vs Power supply voltage Reference output voltage VROUT2 (V) 3.100 VCC = 5.00 V 3.050 3.000 2.950 2.900 -25 0 25 50 75 100 Power supply voltage -- Reference output voltage [VCC -- VROUT2] 7. VROUT2 reference output vs Ambient temperature 2.100 Ta = +25C 2.050 2.000 1.950 1.900 3.5 Ambient temperature Ta (C) 4.0 4.5 5.0 10. Setup time vs Power supply voltage 10 10 VCC = 5.00 V Ta = +25C 8 Setup time tSU (ns) Setup time tSU (ns) 8 6 4 2 6 4 2 0 25 50 75 0 3.5 100 Ambient temperature Ta (C) 4.0 4.5 5.0 6.0 12. Hold time vs Power supply voltage 6 6 Ta = +25C VCC = 5.00 V 4 Hold time th (ns) 4 Hold time th (ns) 5.5 Power supply voltage VCC (V) 11. Hold time vs Ambient temperature 2 0 2 0 -2 -2 -4 -25 6.0 Power supply voltage VCC (V) 9. Setup time vs Ambient temperature 0 -25 5.5 0 25 50 75 Ambient temperature Ta (C) 100 -4 3.5 4.0 4.5 5.0 5.5 6.0 Power supply voltage VCC (V) (Continued) 11 MB40768H (Continued) 14. Minimum clock pulse width vs Power supply voltage 10 VCC = 5.00 V 8 6 twl 4 twh 2 0 -25 0 25 50 75 Minimum clock pulse width twL, twH (ns) Minimum clock pulse width twL, twH (ns) 13. Minimum clock pulse width vs Ambient temperature 100 10 Ta = +25C 8 6 4 twh twl 2 0 3.5 15. Rise time, Fall time vs Ambient temperature 10 VCC = 5 V VRIN = 3.000 V CL = 15 pF Analog output terminated with 240 (1 V amplitude) 6 4 2 0 -25 0 25 50 75 8 2 Delay time tPLH, tPHL (ns) Delay time tPLH, tPHL (ns) 20 8 4 25 50 75 Ambient temperature Ta (C) 12 4.0 4.5 5.0 5.5 6.0 18. Delay time vs Power supply voltage VCC = 5 V VRIN = 3.000 V CL = 15 pF Analog output terminated with 240 (1 V amplitude) 0 Ta = +25C VRIN = 3.000 V CL = 15 pF Analog output terminated with 240 (1 V amplitude) Power supply voltage VCC (V) 12 0 -25 6.0 4 0 3.5 100 17. Delay time vs Ambient temperature 16 5.5 6 Ambient temperature Ta (C) 20 5.0 16. Rise time, Fall time vs Power supply voltage Rise time tr, fall time tf (ns) Rise time tr, fall time tf (ns) 8 4.5 Power supply voltage VCC (V) Ambient temperature Ta (C) 10 4.0 100 16 Ta = +25C VRIN = 3.000 V CL = 15 pF Analog output terminated with 240 (1 V amplitude) 12 8 4 0 3.5 4.0 4.5 5.0 5.5 Power supply voltage VCC (V) 6.0 MB40768H ORDERING INFORMATION Part number Package MB40768HP 18-pin Plastic DIP (DIP-18P-M02) MB40768HPF 20-pin Plastic SOP (FPT-20P-M01) Remarks 13 MB40768H PACKAGE DIMENSIONS 18-pin Plastic DIP (DIP-18P-M02) +0.20 22.05 -0.30 +.008 .868 -.012 INDEX-1 6.200.25 (.244.010) INDEX-2 5.00(.197)MAX 0.51(.020)MIN 0.250.05 (.010.002) 0.45 3.00(.118)MIN +0.14 -0.05 +.006 .018 -.002 +0.30 1.20 -0 .047 +.012 -0 1.27(.050) MAX C 1994 FUJITSU LIMITED D18009S-3C-3 +0.30 1.20 -0 +.012 -0 .047 2.54(.100) TYP 7.62(.300) TYP 15MAX Dimensions ininmm Dimensions mm(inches) (inches) (Continued) 14 MB40768H (Continued) 20-pin Plastic SOP (FPT-20P-M01) 2.25(.089)MAX +0.25 +.010 12.70 -0.20 .500 -.008 0.05(.002)MIN (STAND OFF) 5.300.30 (.209.012) INDEX 1.27(.050) TYP 0.450.10 (.018.004) +0.40 6.80 -0.20 +.016 .268 -.008 7.800.40 (.307.016) +0.05 O0.13(.005) M 0.15 -0.02 +.002 .006 -.001 0.500.20 (.020.008) Details of "A" part 0.20(.008) "A" 0.10(.004) 11.43(.450)REF 0.50(.020) 0.18(.007)MAX 0.68(.027)MAX C 1994 FUJITSU LIMITED F20003S-5C-4 Dimensions in mm (inches) 15 MB40768H FUJITSU LIMITED For further information please contact: Japan FUJITSU LIMITED Corporate Global Business Support Division 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 Am Siebenstein 6-10 63303 Dreieich-Buchschlag Germany Tel: (06103) 690-0 Fax: (06103) 690-122 Asia Pacific FUJITSU MICROELECTRONICS ASIA PTE. LIMITED #05-08, 151 Lorong Chuan New Tech Park Singapore 556741 Tel: (65) 281-0770 Fax: (65) 281-0220 All Rights Reserved. Circuit diagrams utilizing Fujitsu products are included as a means of illustrating typical semiconductor applications. Complete information sufficient for construction purposes is not necessarily given. The information contained in this document has been carefully checked and is believed to be reliable. However, Fujitsu assumes no responsibility for inaccuracies. The information contained in this document does not convey any license under the copyrights, patent rights or trademarks claimed and owned by Fujitsu. Fujitsu reserves the right to change products or specifications without notice. No part of this publication may be copied or reproduced in any form or by any means, or transferred to any third party without prior written consent of Fujitsu. The information contained in this document are not intended for use with equipments which require extremely high reliability such as aerospace equipments, undersea repeaters, nuclear control systems or medical equipments for life support. F9702 FUJITSU LIMITED Printed in Japan 16