FUJITSU SEMICONDUCTOR DATA SHEET DS04-13501-3E Linear IC General purpose Converter CMOS D/A Converter for Digital Tuning (12 channels. 8-bit, with OP amplifier) MB88346B ■ DESCRIPTION The MB88346B features 12 channels of 8-bit D/A converters with output amplifier for digital tuning. The output amplifier provides high current drive capability. As the MB88346B inputs data in serial, it requires only three control lines and can also be cascade-connected with the MB88340 series. The MB88346B is suitable for electronic volumes and replacement for potentiometers for adjustment, in addition to normal D/A converter applications. ■ FEATURES • Low power consumption • Small package • Integrating 12 channels of R-2R type 8-bit D/A converter (Continued) ■ PACKAGES 20-pin plastic DIP 20-pin plastic SOP 20-pin plastic SSOP (DIP-20P-M02) (FPT-20P-M01) (FPT-20P-M03) MB88346B (Continued) • Built-in analog output amplifier (Max +1.0 mA sink/source current) • Analog output range : 0 to VCC • The range of D/A conversion can be independently set by separated the power supply for MCU interface and OP amplifier and the power supply for D/A converter. • Capable of being controlled directly by a 3-V MCU (input voltage : “H” = 0.5 VCC, “L” = 0.2 VCC) • Serial data input, 2.5 MHz operation • CMOS process • Package lineup : DIP 20-pin, SOP 20-pin, SSOP 20-pin 2 MB88346B ■ PIN ASSIGNMENTS (TOP VIEW) (TOP VIEW) VSS 1 20 GND VSS 1 20 GND AO3 2 19 AO2 AO3 2 19 AO2 AO4 3 18 AO1 AO4 3 18 AO1 AO5 4 17 DI AO5 4 17 DI AO6 5 16 CLK AO6 5 16 CLK AO7 6 15 LD AO7 6 15 LD AO8 7 14 DO AO8 7 14 DO AO9 8 13 AO12 AO9 8 13 AO12 AO10 9 12 AO11 AO10 9 12 AO11 10 11 VCC VDD 10 11 VCC VDD (DIP-20P-M02) (FPT-20P-M01) (FPT-20P-M03) ■ PIN DESCRIPTION Pin No. Symbol I/O Pin name Function 17 DI* I Data input pin This pin inputs 12-bit serial data. 14 DO O Data output pin This pin outputs MSB bit data of 12-bit shift register. 16 CLK* I Shift clock input pin Input signal from DI pin is inputted to 12-bit shift register at rising of shift clock. 15 LD* I Load signal input pin If input “H” level to LD pin, the data of 12-bit shift register is loaded to the decoder and the register for D/A output. 18, 19, 2, 3, 4, 5, 6, 7, 8, 9, 12, 13 AO1, AO2, AO3, AO4, AO5, AO6, AO7, AO8, AO9, AO10, AO11, AO12 O D/A output pin These pins output analog data of 8-bit D/A converter with OP amplifier. 11 VCC ⎯ Power supply pin Power supply pin of MCU interface and OP amplifier 20 GND ⎯ Ground pin Ground pin of MCU interface and OP amplifier 10 VDD ⎯ Power supply pin Power supply pin of D/A converter 1 VSS ⎯ Ground pin Ground pin of D/A converter * : When three pins, DI, CLK, and LD pins are connected to 3-V MCU, they are fixed to “L” level at non transfer. 3 MB88346B ■ BLOCK DIAGRAM VCC GND DI CLK 12-bit shift register D0 D1 D2 D3 D5 D6 D7 D8 D9 DO D10 D11 Address decoder 8 12 D0 1 VCC GND 1 2 3 4 8-bit latch 12 D7 8-bit latch 8-bit R-2R D/A converter + + _ − AO1 LD 12 D0 D7 8-bit R-2R D/A converter 4 D4 AO12 VDD VSS MB88346B ■ DATA FOR CHIP CONTROL 1. Data for Shift Register • The chip is controlled by 12 bits of data input to the shift register. • The shift register inputs a total of 12 bits of data consisting of a four-bit address selection signal and an eightbit D/A converter control signal. • A data to the shift register is inputted to the DI pin in the order of D11 (MSB) to D0 (LSB) . Last (LSB) D0 First (MSB) D1 D2 D3 D4 D5 D6 D7 D/A converter control signal D8 D9 D10 D11 Address selected signal 2. D/A Converter Control Signal Input data signal D/A converter output voltage D0 D1 D2 D3 D4 D5 D6 D7 0 0 0 0 0 0 0 0 ≅ VSS 1 0 0 0 0 0 0 0 ≅ VREF / 255 × 1 + VSS 0 1 0 0 0 0 0 0 ≅ VREF / 255 × 2 + VSS 1 1 0 0 0 0 0 0 ≅ VREF / 255 × 3 + VSS 0 1 1 1 1 1 1 1 ≅ VREF / 255 × 254 + VSS 1 1 1 1 1 1 1 1 ≅ VDD VREF = VDD - VSS 5 MB88346B 3. Address Selected Signal Input data signal 6 Address selected sequence D8 D9 D10 D11 0 0 0 0 Don't Care 0 0 0 1 AO1 selected 0 0 1 0 AO2 selected 0 0 1 1 AO3 selected 0 1 0 0 AO4 selected 0 1 0 1 AO5 selected 0 1 1 0 AO6 selected 0 1 1 1 AO7 selected 1 0 0 0 AO8 selected 1 0 0 1 AO9 selected 1 0 1 0 AO10 selected 1 0 1 1 AO11 selected 1 1 0 0 AO12 selected 1 1 0 1 Don't Care 1 1 1 0 Don't Care 1 1 1 1 Don't Care MB88346B ■ TIMING CHART AT DATA SETTING MSB DI D11 LSB D10 D9 D8 D2 D1 D0 CLK LD D/A output (AO1 to AO12) ■ ANALOG OUTPUT VOLTAGE RANGE R-2R ladder output VDD OP amplifier output VCC VAOH (VCC) D/A output range (linear area) VAOL (GND) VSS GND Note : VCC = VDD, GND = VSS 7 MB88346B ■ ABSOLUTE MAXIMUM RATINGS Parameter Symbol Power supply voltage Input voltage VCC VDD VIN Output voltage Condition The case that GND is referred. Ta = +25 °C VOUT Rating Unit Min Max − 0.3 + 7.0 V − 0.3 + 7.0 V − 0.3 VCC + 0.3 V − 0.3 VCC + 0.3 V Power consumption PD ⎯ ⎯ 250 mW Operating temperature Ta ⎯ − 40 + 85 °C Tstg ⎯ − 55 + 150 °C Storage temperature Remarks VCC ≥ VDD WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current, temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings. ■ RECOMMENDED OPERATING CONDITIONS Parameter Symbol Value Unit Min Max VCC 4.5 5.5 V GND ⎯ 0 V Isource ⎯ 1.0 mA Analog output sink current Isink ⎯ 1.0 mA Oscillation limited output capacitance COL ⎯ 1.0 µF Operating temperature Ta − 40 + 85 °C Power supply Voltage Analog output source current WARNING: The recommended operating conditions are required in order to ensure the normal operation of the semiconductor device. All of the device’s electrical characteristics are warranted when the device is operated within these ranges. Always use semiconductor devices within their recommended operating condition ranges. Operation outside these ranges may adversely affect reliability and could result in device failure. No warranty is made with respect to uses, operating conditions, or combinations not represented on the data sheet. Users considering application outside the listed conditions are advised to contact their FUJITSU representatives beforehand. 8 MB88346B ■ ELECTRICAL CHARACTERISTICS 1. DC Characteristics (1) Digital block Parameter Power supply voltage (VDD, VCC = + 5 V ± 10% (VCC ≥ VDD) , GND, VSS = 0 V, Ta = − 40 °C to + 85 °C) Value Symbol Pin name Conditions Unit Min Typ Max ⎯ 4.5 5.0 5.5 V At CLK = 1 MHz operating (at no load) ⎯ 2.5 4.5 mA − 10 ⎯ 10 µA ⎯ ⎯ ⎯ 0.2 VCC V ⎯ 0.5 VCC ⎯ ⎯ V ⎯ ⎯ 0.4 V VCC − 0.4 ⎯ ⎯ V VCC Power supply current ICC Input leakage current IILK “L” level input voltage VIL “H” level input voltage VIH “L” level output voltage VOL “H” level output voltage VOH VCC CLK DI LD DO VIN = 0 to VCC IOL = 2.5 mA IOH = − 400 µA Note : IOL and IOH are output load current. (2) Analog block Parameter (VDD, VCC = + 5 V ± 10% (VCC ≥ VDD) , GND, VSS = 0 V, Ta = − 40 °C to + 85 °C) Value Symbol Pin name Conditions Unit Min Typ Max ⎯ 0.2 0.5 mA 2.0 ⎯ VCC V GND ⎯ VCC − 2.0 V ⎯ 8 ⎯ bit No load VDD ≤ VCC − 0.1 V VSS ≥ 0.1 V − 1.5 0 1.5 LSB DLE No load VDD ≤ VCC − 0.1 V VSS ≥ 0.1 V − 1.0 ⎯ 1.0 LSB Output minimum voltage 1 VAOL1 No load, VSS = 0 V When digital setting is #00. VSS ⎯ VSS + 0.1 V Output minimum voltage 2 VAOL2 Isource = 500 µA VSS − 2.0 When digital setting is #00. VSS VSS + 0.2 V Output minimum voltage 3 VAOL3 Isink = 500 µA When digital setting is #00. ⎯ VSS + 0.2 V VDD = VCC = 5.0 V VSS = GND = 0.0 V VSS − 0.3 Isource = 1.0 mA When digital setting is #00. VSS V SS + 0.3 V VDD = VCC = 5.0 V VSS = GND = 0.0 V Isink = 1.0 mA When digital setting is #00. ⎯ V SS + 0.3 V Consumption current IDD VDD Analog power supply voltage VDD VDD VSS VSS Resolution Res Non linearity error LE Differential linearity error Output minimum voltage 4 Output minimum voltage 5 VAOL4 VAOL5 No load VDD − VSS ≥ 2.0 V Monotonic increase AO1 to AO12 AO 1 to AO 12 VSS VSS (Continued) 9 MB88346B (Continued) Parameter (VDD, VCC = + 5 V ± 10% (VCC ≥ VDD) , GND, VSS = 0 V, Ta = − 40 °C to + 85 °C) Value Symbol Pin name Conditions Unit Min Typ Max Output maximum voltage 1 VAOH1 No load, VDD = VCC VDD − 0.1 When digital setting is #FF. ⎯ V DD V Output maximum voltage 2 VAOH2 Isource = 500 µA VDD − 0.2 When digital setting is #FF. ⎯ V DD V Output maximum voltage 3 VAOH3 Isink = 500 µA VDD − 0.2 When digital setting is #FF. V DD V DD + 0.2 V VDD = VCC = 5.0 V VSS = GND = 0.0 V VDD − 0.3 Isource = 1.0 mA When digital setting is #FF. ⎯ V DD V VDD = VCC = 5.0 V VSS = GND = 0.0 V VDD − 0.3 Isink = 1.0 mA When digital setting is #FF. V DD V DD + 0.3 V Output maximum voltage 4 Output maximum voltage 5 VAOH4 AO 1 to AO 12 VAOH5 Non linearity error : The error of the I/O curve from the ideal straight line between output voltages at "00" and "FF". Differential linearity error : The error from the ideal increment given when the digital value is incremented by one bit. Analog output Ideal straight line VAOH Non linearity error VAOL #00 #FF Digital setting Note : VAOH and VAOL do not always match VDD and VSS, respectively. 10 MB88346B 2. AC Characteristics Parameter (VDD, VCC = + 5 V ± 10% (VCC ≥ VDD) , GND, VSS = 0 V, Ta = − 40 °C to + 85 °C) Value Symbol Conditions Unit Min Max “L” level clock pulse width tCKL ⎯ 200 ⎯ “H” level clock pulse width tCKH ⎯ 200 ⎯ Clock rising time Clock falling time tCr tCf ⎯ ⎯ 200 Data setup time tDCH ⎯ 30 ⎯ Data hold time tCHD ⎯ 60 ⎯ Load setup time tCHL ⎯ 200 ⎯ Load hold time tLDC ⎯ 100 ⎯ “H” level load pulse width tLDH ⎯ 100 ⎯ Data output delay time tDO Refer to “Load condition (1) ”. 70 350 D/A output settling time tLDD Refer to “Load condition (2) ”. ⎯ 20 ns µs • Load condition (1) Measurement point Measurement point (2) D/A output (AO1 to AO12) DO CL (20 pF ≤ CL ≤ 100 pF) RAL = 10 kΩ CAL = 50 pF 11 MB88346B • Input/output timing tCr tCKH tCf CLK tCKL tLDC DI tDCH tCHD tLDH tCHL LD tLDD D/A output (AO1 to AO12) tDO DO Note : The D/A output evaluation level is 90% and 10% of VCC. The other evaluation level is 80% and 20% of VCC. 12 MB88346B ■ EXAMPLE CHARACTERISTICS Example of analog output voltage vs. sink/source current characteristics (V) +0.3 +0.2 +0.1 Analog output voltage VDD −0.1 −0.2 −0.3 +0.3 +0.2 +0.1 VSS −0.1 −0.2 −0.3 −0.1 −0.5 Sink current ISINK ← 0 0.5 1.0 (mA) → Source current ISOURCE 13 MB88346B ■ ORDERING INFORMATION Part No. MB88346BP 20-pin plastic DIP (DIP-20P-M02) MB88346BPF 20-pin plastic SOP (FPT-20P-M01) MB88346BPFV 14 Package 20-pin plastic SSOP (FPT-20P-M03) Remarks MB88346B ■ PACKAGE DIMENSIONS 20-pin plastic DIP (DIP-20P-M02) +0.20 24.64 –0.30 .970 +.008 –.012 INDEX-1 6.20±0.25 (.244±.010) INDEX-2 0.51(.020)MIN 4.36(.172)MAX 0.25±0.05 (.010±.002) 3.00(.118)MIN 0.46±0.08 (.018±.003) +0.30 0.86 –0 +.012 .034 –0 1.27(.050) MAX C +0.30 1.27 –0 +.012 .050 –0 2.54(.100) TYP 7.62(.300) TYP 15˚MAX 1994 FUJITSU LIMITED D20003S-3C-4 Dimensions in mm (inches). Note : The values in parentheses are reference values. (Continued) 15 MB88346B Note 1) *1 : These dimensions include resin protrusion. Note 2) *2 : These dimensions do not include resin protrusion. Note 3) Pins width and pins thickness include plating thickness. Note 4) Pins width do not include tie bar cutting remainder. 20-pin plastic SOP (FPT-20P-M01) +0.25 +.010 +0.03 *112.70 –0.20 .500 –.008 0.17 –0.04 +.001 20 .007 –.002 11 *2 5.30±0.30 7.80±0.40 (.209±.012) (.307±.016) INDEX Details of "A" part +0.25 2.00 –0.15 +.010 .079 –.006 1 "A" 10 1.27(.050) 0.47±0.08 (.019±.003) 0.13(.005) (Mounting height) 0.25(.010) 0~8˚ M 0.50±0.20 (.020±.008) 0.60±0.15 (.024±.006) +0.10 0.10 –0.05 +.004 .004 –.002 (Stand off) 0.10(.004) C 2002 FUJITSU LIMITED F20003S-c-7-7 Dimensions in mm (inches). Note: The values in parentheses are reference values. (Continued) 16 MB88346B (Continued) Note 1) *1 : Resin protrusion. (Each side : +0.15 (.006) Max). Note 2) *2 : These dimensions do not include resin protrusion. Note 3) Pins width and pins thickness include plating thickness. Note 4) Pins width do not include tie bar cutting remainder. 20-pin plastic SSOP (FPT-20P-M03) *1 6.50±0.10(.256±.004) 0.17±0.03 (.007±.001) 20 11 *24.40±0.10 6.40±0.20 (.173±.004) (.252±.008) INDEX Details of "A" part +0.20 1.25 –0.10 +.008 .049 –.004 LEAD No. 1 10 0.65(.026) "A" 0.24±0.08 (.009±.003) 0.10(.004) C (Mounting height) 0.13(.005) M 0~8˚ 0.50±0.20 (.020±.008) 0.60±0.15 (.024±.006) 0.10±0.10 (Stand off) (.004±.004) 0.25(.010) 2003 FUJITSU LIMITED F20012S-c-4-6 Dimensions in mm (inches). Note: The values in parentheses are reference values. 17 MB88346B FUJITSU LIMITED All Rights Reserved. The contents of this document are subject to change without notice. Customers are advised to consult with FUJITSU sales representatives before ordering. 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