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Description
The TC850 is a monolithic CMOS analog-to-digital converter (ADC) with resolution of 15-bits plus sign. It combines a chopper-stabilized buffer and integrator with a unique multiple-slope integration technique that increases conversion speed. The result is 16 times improvement in speed over previous 15-bit, monolithic integrating ADCs (from 2.5 conversions per sec up to 40 per sec). Only a voltage reference and a few noncritical passive components are required to form a complete 15-bit plus sign ADC. CMOS processing provides the TC850 with high-impedance differential inputs. Input bias current is typically only 30pA, permitting direct interface to sensors. Input sensitivity of 100 μV per least significant bit (LSB) eliminates the need for precision external amplifiers. The internal amplifiers are auto-zeroed, guaranteeing a zero digital output with 0V analog input. Conversions can be performed continuously or on command. Operating from ±5V supplies, the TC850 dissipates only 20mW. It is packaged in 40-pin plastic or ceramic dual-in-line packages (DIPs) and in a 44-pin plastic leaded chip carrier (PLCC), surface-mount package.
Title
15-Bit, Fast Integrating CMOS A/D Converter
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Trimming Wide Dynamic Range: 96 dB Low Input Bias Current: 30 pA Low Input Noise: 30 VP-P Sensitivity: 100 V Flexible Operational Control Continuous or On Demand Conversions Data Valid Output Bus Compatible, 3-State Data Outputs:
- 8-Bit Data Bus - Simple P Interface - Two Chip Enables - Read ADC Result Like Memory ± 5V Power Supply Operation: m 40-Pin Dual-in-Line or 44-Pin PLCC Packages
Precision Analog Signal Processor Precision Sensor Interface High Accuracy DC MeasurementsThe is a monolithic CMOS A/D converter (ADC) with resolution of 15-bits plus sign. It combines a chopper-stabilized buffer and integrator with a unique multiple-slope integration technique that increases conversion speed. The result is 16 times improvement in speed over previous 15-bit, monolithic integrating ADCs (from 2.5 conversions per second to 40 per second). Faster conversion speed is especially welcome in systems with human interface, such as digital scales.
The TC850 incorporates an ADC and a P-compatible digital interface. Only a voltage reference and a few, noncritical, passive components are required to form a complete 15-bit plus sign ADC. CMOS processing provides the TC850 with high-impedance, differential inputs. Input bias current is typically only 30 pA, permitting direct interface to sensors. Input sensitivity 100 V per Least Significant bit (LSb) eliminates the need
for precision external amplifiers. The internal amplifiers are auto-zeroed, ensuring a zero digital output, with 0V analog input. Zero adjustment potentiometers or calibrations are not required.
The TC850 outputs data 8-bit, 3-state bus. Digital inputs are CMOS compatible while outputs are TTL/ CMOS compatible. Chip-enable and byte-select inputs, combined with an end-of-conversion output, ensures easy interfacing to a wide variety of microprocessors. Conversions can be performed continuously or on command. In Continuous mode, data is read as three consecutive bytes and manipulation of address lines is not required.
Operating from ±5V supplies, the TC850 dissipates only 20 m. The TC850 is packaged a 40-pin plastic or ceramic dual-in-line package (DIPs) and a 44-pin plastic leaded chip carrier (PLCC), surface-mount package.
Positive Supply Voltage : +6V Negative Supply Voltage - 9V Analog Input Voltage (IN+ pr IN-) : VDD to VSS Voltage Reference Input:
While Operating 100 A Ambient Operating Temperature RangeC Device +70°C I Device to +85°C Package Power Dissipation (TA 70°C) CerDIP : 2.29 Plastic DIP : 1.23 Plastic PLCC : 1.23
*Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability.
Electrical Characteristics: = ±5V; FCLK = 61.44kHz, VFS = 25°C, Figure 1-1, unless otherwise specified.
Zero Scale Error End Point Linearity Error Differential NonlinearityNote 1: Demand mode, CONT/DEMAND = LOW. Figure 8-2 timing diagram. = 100 pF. 2: Continuous mode, CONT/DEMAND = HIGH. Figure 8-4 timing diagram.
3: Digital inputs have CMOS logic levels and internal pull-up/pull-down resistors. For TTL compatibility, external pull-up
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Patricia Miller
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I recently ordered an IC SFH6343 from your company and I am very pleased with its performance. The IC is reliable and efficient, and it has been working great in my project. It is easy to use and the instructions were clear and concise. I am very satisfied with the quality of the product and the customer service I received. Thank you for providing me with a great product and excellent customer ser
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The packaging is exquisite, the high-end atmosphere is high-end, it can be seen that the merchants are very attentive. The baby is really good, it is the same as the picture, there is no difference, it is really good value for money, good quality and low price
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I enjoyed learning how to use these. Fixed another broken project with it. Excellent quality, and it arrived in a protective tube designed to prevent damage.
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The order is accepted, decorated and shipped quickly. Packing is good. Tracking works. Satisfied
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The goods are received on time, until I checked, as I will check the feedback. The seller sent on time, everything came safe and sound.
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rec'd chips; great packing for international shipping; thx for making small quantities available of these hard to find items!
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I enjoyed learning how to use these. Fixed another broken project with it. Excellent quality, and it arrived in a protective tube designed to prevent damage.
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I enjoyed learning how to use these. Fixed another broken project with it. Excellent quality, and it arrived in a protective tube designed to prevent damage.
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TC850CPL
TC850CPL has several brands around the world that may have alternate names for TC850CPL due to regional differences or acquisition. TC850CPL may also be known as the following names:
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