TC7109CPL Microchip Technology, TC7109CPL Datasheet
TC7109CPL
Specifications of TC7109CPL
158-1059
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TC7109CPL Summary of contents
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... Transmissions Device Selection Table Part Number Package (TC7109X)* TC7109CKW 44-Pin PQFP TC7109CLW 44-Pin PLCC TC7109CPL 40-Pin PDIP TC7109IJL 40-Pin CERDIP *The “A” version has a higher I on the digital lines. OUT © 2006 Microchip Technology Inc. General Description: The TC7109A is a 12-bit plus sign, CMOS low power Analog-to-Digital Converter (ADC) ...
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... REF OUT SEND RUN/HOLD BUFF OSC OUT TEST 17 24 OSC SEL LBEN 18 23 OSC OUT 19 22 OSC IN HBEN 20 21 CE/LOAD MODE internal connection 44-Pin PLCC COMMON 36 INT 35 AZ TC7109ACLW 34 NC TC7109CLW 33 BUFF 32 REF OUT SEND 29 RUN/HOLD © 2006 Microchip Technology Inc. ...
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... DE DE (–) (+) (+) (–) Common AZ DE (±) INT ZI 34 Input Low 10mA – REF V- OUT © 2006 Microchip Technology Inc. TC7109A High Order Byte Inputs INT BUFF AZ INT Integrator 16 Three-State Outputs – Comparator + Comp Out AZ Comp Out AZ To Analog Conversion Oscillator and ...
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... Full Scale = 409.6mV to 2.048V Over Full Operating Temperature Range V ±1V Full Scale = 409.6mV Input High, Input Low and Common Pins V = 0V, Full Scale = 409.6mV All Packages: +25° Device: 0°C ≤ T ≤ +70° Device: -25°C ≤ T ≤ +85° © 2006 Microchip Technology Inc. ...
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... HANDLING PRECAUTIONS: These devices are CMOS and must be handled correctly to prevent damage. Package and store only in conductive foam, antistatic tubes, or other conducting material. Use proper antistatic handling pro- cedures. Do not connect in circuits under “power-on” conditions, as high transients may cause permanent damage. © 2006 Microchip Technology Inc. = +25°C, unless otherwise indicated. A ...
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... Reference Voltage Output – Nominally 2.8V down from V+ (Pin 40). DS21456C-page 6 Description –B . With MODE (Pin 21) HIGH, this pin serves –B , POL, OR. With MODE (Pin 21) HIGH, this 9 12 –B , POL, OR outputs are disabled. When MODE (Pin 21) is HIGH, a load 1 12 © 2006 Microchip Technology Inc. ...
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... Differential Reference Input Positive. 37 REF CAP+ Reference Capacitor Positive. 38 REF CAP- Reference Capacitor Negative. 39 REF IN- Differential Reference Input Negative Positive Supply Voltage – Nominally +5V with respect to GND (Pin 1). Note: All Digital levels are positive true. © 2006 Microchip Technology Inc. TC7109/A Description . AZ . INT DS21456C-page 7 ...
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... Common mode volt- age. In such cases, the integrator swing can be reduced to less than the recommended ±4V full scale value, with some loss of accuracy. The integrator output can swing to within 0.3V of either supply without loss of linearity. © 2006 Microchip Technology Inc. ...
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... Handshake mode at the end of every conversion cycle. With MODE = 0 (direct bus transfer), the send input should be tied to V+. (See “Handshake Mode”.) © 2006 Microchip Technology Inc. TC7109/A 3.2.3 RUN/HOLD INPUT With the RUN/HOLD input high, or open, the circuit operates normally as a dual slope ADC, as shown in Figure 3-1 ...
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... Three-State Outputs 14 Latches 12-Bit Counter Latch Clock Oscillator and Handshake Clock Circuitry RUN/ OSC OSC OSC BUFF MODE IN OUT SEL OSC HOLD OUT ZI AZ Zero Integrator Phase forces Integrator Output LBEN 19 HBEN 20 CE/LOAD Logic 27 1 SEND GND © 2006 Microchip Technology Inc. ...
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... High Byte Data Valid Data t DAC Low Byte Data = High-Impedance FIGURE 3-4: TC7109A Direct Mode Output Timing © 2006 Microchip Technology Inc. Auto-Zero Phase I Min 1790 Counts Determinated at Max 2041 Counts Zero Crossing Detection * TABLE 3-1: Symbol Description t Byte Enable Width ...
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... Figure . The circuit will oscillate at a frequency given 0.45/RC. A 100kΩ resistor is recommended for use- ful ranges of frequency. The capacitor value should be chosen such that 2048 clock periods are close to an integral multiple of the 60Hz period for optimum 60Hz line rejection. © 2006 Microchip Technology Inc. ...
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... CE/LOAD HBEN High Byte Data LBEN Mode High Activates CE/LOAD, HBEN, LBEN Low Byte Data = Don't Care FIGURE 3-7: TC7109A Handshake with Send Input Held Positive © 2006 Microchip Technology Inc Buffered 24 OSC OUT OSC SEL GND FIGURE 3-6: The error is less than 1% from two 60Hz periods ...
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... DE Phase III Send Sensed Data Valid Data Valid = Three-State High-Impedance Terminates UART Mode Send Sensed Data Valid Zero Crossing Occurs Zero Crossing Detected Latch Pulse inhibited in UART Mode Terminates UART Mode Send Sensed = Three-State with Pull-up © 2006 Microchip Technology Inc. ...
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... They supply 20μA of drive current with negligible non-linearity. The integrating resistor should be large enough to remain in © 2006 Microchip Technology Inc. this very linear region over the input voltage range, but small enough that undue leakage requirements are not placed on the PC board. For 2.048V full scale, a 100kΩ ...
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... REF IN- (pin 39), and REF IN+ should be connected to the wiper of a precision potentiometer between REF OUT and V+. The test circuit shows the circuit for a 204.8mV reference, generated by a 2kΩ precision potentiometer in series with a 24kΩ fixed resistor. DS21456C-page 16 © 2006 Microchip Technology Inc. ...
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... LBEN Control FIGURE 4-1: Direct Mode Chip and Byte Enable Combination © 2006 Microchip Technology Inc. Figure through Figure give practical circuits utilizing the parallel three-state output capabilities of the TC7109A. Figure shows parallel interface to the 8748/ 49 systems via an 8255 PPI, where the TC7109A data outputs are active at all times ...
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... Analog In RUN/HOLD +5V HBEN LBEN Address Bus Control Bus Data Bus PA5 - PA0 μPD8255A +5V (Mode 0) 8 PB7 - PB0 PC5 See Text μ PD8748H/494 Microcontrollers Converter Select GND MODE CE/LOAD POL, OR TC7109A Analog In RUN/HOLD +5V HBEN LBEN μPD8748H/49H © 2006 Microchip Technology Inc. ...
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... FIGURE 4-4: Full Time Parallel Interface POL, OR Analog TC7109A CE/LOAD SEND RUN/HOLD MODE FIGURE 4-5: TC7109A Handshake Interface to © 2006 Microchip Technology Inc. Address Bus Control Bus Data Bus PA5 - PA0 PC6 μPD8255A 8 PB7 - PB0 STB A PC4 PC6 10kW +5V (See Text) μ ...
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... Reference 36 REF IN+ + 1MΩ Input 0.01μF 34 – Analog GND COM C 32 INT INT C 0.15μ 0.33μF 30 BUFF 29 R 20kΩ 0.2V INT REF 100kΩ 1V REF 28 V- -5V 26 +5V or Open 24 GND 23 3.58MHz 22 Crystal OSC IN © 2006 Microchip Technology Inc. ...
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... PROG P11 26 +5V V P10 DB0 - DB7 20 GND GND RD FIGURE 4-8: Connection Diagram © 2006 Microchip Technology Inc. Serial Output 6402 CMOS UART Serial Input TBRE RBR1 - RBR8 SFD TBR1 - TBR8 2 3 GND 8-Bit Data Bus MODE CE/ SEND LOAD POL, OR Analog In ...
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... This feature can be used to advantage in reducing line frequency noise (Figure ). DS21456C-page Measurement Period 0.1/t 1/t Input Frequency FIGURE 5-1: Normal Mode Rejection of Dual Slope Converter as a Function of Frequency © 2006 Microchip Technology Inc. 10/t ...
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... Component Taping Orientation for 44-Pin PLCC Devices Pin 1 Carrier Tape, Number of Components Per Reel and Reel Size Package 44-Pin PLCC Note: Drawing does not represent total number of pins. © 2006 Microchip Technology Inc. User Direction of Feed Pin 1 P Standard Reel Component Orientation for 713 Suffix Device ...
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... MIN. .020 (0.51) .016 (0.41) .610 (15.49) .590 (14.99) 3° Min. .700 (17.78) .610 (15.50) Dimensions: inches (mm) .620 (15.75) .590 (15.00) 3° Min. .700 (17.78) .620 (15.75) Dimensions: inches (mm) © 2006 Microchip Technology Inc. ...
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... Suffix Device Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) 44-Pin PLCC 32 mm Note: Drawing does not represent total number of pins. © 2006 Microchip Technology Inc. 7° Max. .009 (0.23) .005 (0.13) .398 (10.10) .390 (9.90) .557 (14.15) ...
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... TC7109/A NOTES: DS21456C-page 26 © 2006 Microchip Technology Inc. ...
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... To register, access the Microchip web site at www.microchip.com, click on Customer Change Notification and follow the registration instructions. © 2006 Microchip Technology Inc. CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels: • Distributor or Representative • ...
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... What deletions from the document could be made without affecting the overall usefulness there any incorrect or misleading information (what and where)? 7. How would you improve this document? DS21456C-page 28 Total Pages Sent ________ FAX: (______) _________ - _________ N Literature Number: DS21456C © 2006 Microchip Technology Inc. ...
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... PowerMate, PowerTool, REAL ICE, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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