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Moteur de recherche de fiches techniques de composants électroniques |
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TC534CKW Fiches technique(PDF) 1 Page - TelCom Semiconductor, Inc |
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TC534CKW Fiches technique(HTML) 1 Page - TelCom Semiconductor, Inc |
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1 / 15 page  3-47 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 TC530 TC534 5V PRECISION DATA ACQUISITION SUBSYSTEMS EVALUATION KIT AVAILABLE TC530/534-3 11/14/96 FEATURES s Precision (up to 17 Bits) A/D Converter s 3 Wire Serial Port s Flexible: User Can Trade-Off Conversion Speed Against Resolution s Single Supply Operation s –5V Output Pin s 4 Input, Differential Analog MUX (TC534) s Automatic Input Polarity and Overrange Detection s Low Operating Current ............................ 5mA Max s Wide Analog Input Range ...................... ±4.2V Max s Cost Effective ORDERING INFORMATION Part No. Package Temp. Range TC530COI 28-Pin SOIC 0 °C to +70°C TC530CPJ 28-Pin Plastic DIP (300 Mil.) 0 °C to +70°C TC534CKW 44-Pin PQFP 0 °C to +70°C TC534CPL 40-Pin Plastic DIP 0 °C to +70°C TC530EV Evaluation Kit for TC530/534 FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION The TC530/534 are serial analog data acquisition sub- systems ideal for high precision measurements (up to 17 bits plus sign). The TC530 consists of a dual slope integrating A/D converter, negative power supply generator and 3 wire serial interface port. The TC534 is identical to the TC530, but adds a four channel differential input multiplexer. Key A/D converter operating parameters (Auto Zero and Integration time) are programmable, allowing the user to trade-off conversion time for resolution. Data conversion is initiated when the RESET input is brought low. After conversion, data is loaded into the output shift register and EOC is asserted indicating new data is available. The converted data (plus Overrange and polarity bits) is held in the output shift register until read by the processor, or until the next conversion is completed allowing the user to access data at any time. The TC530/534 timebase can be derived from an exter- nal crystal of 2MHz (max), or from an external frequency source. The TC530/534 requires a single 5V power supply and features a – 5V, 10mA output which can be used to supply negative bias to other components in the system. A0 A1 OSCIN EOC R/W DIN DOUT DCLK OSCOUT OSC RESET CAP + CAP – CAZ TC05 TC530 TC534 CREF RINT CINT TC534 (Only) (TC530 Only) DC-TO-DC CONVERTER State Machine Serial Port Negative Supply Output Oscillator ( ÷ 4) Dual Slope A/D Converter .01 µF 0.01 µF Optional Power-On Reset Cap 100k 10k +5V DIF. MUX (TC534 Only) CH1 CH1 CH2 CH2 CH3 CH3 CH4 CH4 VIN VIN IN IN AB CMPTR BUF INT CAZ VREF + VREF – + CREF CREF – ACOM – – – – – + + + + + VDD VDD VDD VDD VSS + – |
Numéro de pièce similaire - TC534CKW |
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Description similaire - TC534CKW |
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