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AD5222 データシート(PDF) 3 Page - Analog Devices |
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AD5222 データシート(HTML) 3 Page - Analog Devices |
3 / 10 page AD5222 –3– REV. 0 ABSOLUTE MAXIMUM RATINGS (TA = 25°C, unless otherwise noted) VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, +7 V VSS to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V, –5 V VDD to VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V VA, VB, VW to GND . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V, VDD AX – BX, AX – WX, BX – WX . . . . . . . . . . . . . . . . . . . ±20 mA Digital Input Voltage to GND . . . . . . . . . . . . 0 V, VDD + 0.3 V Operating Temperature Range . . . . . . . . . . . –40 °C to +85°C Maximum Junction Temperature (TJ max) . . . . . . . . . . 150 °C Storage Temperature . . . . . . . . . . . . . . . . . . –65 °C to +150°C Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300 °C Package Power Dissipation . . . . . . . . . . . . . (TJ max – TA)/ θ JA Thermal Resistance θ JA, SOIC (SO-14) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158 °C/W TSSOP-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 °C/W tCSS tCH tCSH tUDS tCL CS CLK U/ D tDSS DACSEL tMDS MODE tUDH tDSH tMDH Figure 2. Detail Timing Diagram Truth Table CS CLK U/ D Operation L t H Wiper Increment Toward Terminal A L t L Wiper Decrement Toward Terminal B H X X Wiper Position Fixed Common Mode (MODE = 0) moves both wipers together either UP or DOWN the resistor array without changing the relative distance between the wipers. Also, the distance between both wipers is preserved if either reaches the end of the array. Inde- pendent Mode (MODE = 1) allows user to control each RDAC individually: DACSEL = 0 sets RDAC1; DACSEL = 1: sets RDAC2. ORDERING GUIDE Kilo Package Package Model Ohms Temperature Description Option AD5222BR10 10 –40 °C/+85°C SO-14 R-14 AD5222BRU10 10 –40 °C/+85°C TSSOP-14 RU-14 AD5222BR50 50 –40 °C/+85°C SO-14 R-14 AD5222BRU50 50 –40 °C/+85°C TSSOP-14 RU-14 AD5222BR100 100 –40 °C/+85°C SO-14 R-14 AD5222BRU100 100 –40 °C/+85°C TSSOP-14 RU-14 AD5222BR1M 1,000 –40 °C/+85°C SO-14 R-14 AD5222BRU1M 1,000 –40 °C/+85°C TSSOP-14 RU-14 The AD5222 die size is 56 mil × 60 mil, 3360 sq. mil; 1.4224 mm × 1.524 mm, 2.1677 sq. mm. Contains 1503 transistors. Patent Number 5495245 applies. CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD5222 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. WARNING! ESD SENSITIVE DEVICE PIN FUNCTION DESCRIPTIONS Pin Name Description 1 B1 B Terminal RDAC #1. 2 A1 A Terminal RDAC #1. 3 W1 Wiper RDAC #1, DACSEL = 0. 4VSS Negative Power Supply. Specified for operation at both 0 V or –2.7 V (Sum of |VDD| + |VSS| < 5.5 V). 5 W2 Wiper RDAC #2, DACSEL = 1. 6 A2 A Terminal RDAC #2. 7 B2 B Terminal RDAC #2. 8 GND Ground. 9 MODE Common MODE = 0, Independent MODE = 1. 10 DACSEL DAC Select determines which wiper is incre- mented in the Independent MODE = 1. DACSEL = 0 sets RDAC1, DACSEL = 1 sets RDAC2. 11 U/ D UP/DOWN Direction Control. 12 CLK Serial Clock Input, Negative Edge Triggered. 13 CS Chip Select Input, Active Low. When CS is high, the UP/DOWN counter is disabled. 14 VDD Positive Power Supply. Specified for operation at both +3 V or +5 V. (Sum of |VDD| + |VSS| < 5.5 V). PIN CONFIGURATION TOP VIEW (Not to Scale) CLK U/ D A1 GND VDD CS B1 W1 AD5222 1 2 3 4 5 6 78 9 10 11 12 13 14 DACSEL MODE VSS W2 A2 B2 |
同様の部品番号 - AD5222 |
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同様の説明 - AD5222 |
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