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TC83240, TC835, TC835CKW

Table of contents:
Info of TC83240
Info of TC835
Info of TC835CKW

TC83240, TC835, TC835CKW Selling Leads, Datasheet

MFG:TOSHIBA Package Cooled:QFP-L80P D/C:98+

TC83240, TC835, TC835CKW Datasheet download

Five Points

Part Number: TC83240

MFG: TOSHIBA

Package Cooled: QFP-L80P

D/C: 98+

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TC835 General Description

The TC835 is a low power, 4-1/2 digit (0.005% resolution), BCD analog to digital converter (ADC) that has been characterized for 200kHz clock rate operation. The five conversions per second rate is nearly twice as fast as the ICL7135 or TC7135. The TC835, like the TC7135, does not use the external diode resistor rollover error compensation circuits required by the ICL7135.

The multiplexed BCD data output is perfect for interfacing to personal computers. The low cost, greater than 14-bit high-resolution and 100µV sensitivity makes the TC835 exceptionally cost-effective.

The multiplexed BCD data output is perfect for interfacing to personal computers. The low cost, greater than
14-bit high-resolution and 100µV sensitivity makes the TC835 exceptionally cost-effective. Microprocessor-based data acquisition systems are supported by the BUSY and STROBE outputs, along with the RUN/HOLD input of the TC835.

The OVERRANGE, UNDERRANGE, BUSY and RUN/ HOLD control functions, plus multiplexed BCD data outputs, make the TC835 the ideal converter for µPbased scales, measurement systems and intelligent panel meters.

TC835 Maximum Ratings

Positive Supply Voltage............................................. +6V
Negative Supply Voltage ........................................... -9V
Analog Input Voltage (Pin 9 or 10) .....V+ to V (Note 2)
Reference Input Voltage (Pin 2) ..........................V+ to V
Clock Input Voltage ........................................... 0V to V+
Operating Temperature Range................0°C to +70°C
Storage Temperature Range .............-65°C to +150°C
Package Power Dissipation (TA  70°C)
                     28-Pin Plastic DIP ............................ 1.14Ω
                      44-Pin PQFP .................................... 1.00Ω
                      64-Pin PQFP .................................... 1.14Ω

TC835 Features

• Upgrade of Pin-Compatible TC7135, ICL7135
• 200kHz Operation
• Single 5V Operation With TC7660
• Multiplexed BCD Data Output
• UART and Microprocessor Interface
• Control Outputs for Auto-Ranging
• Input Sensitivity: 100µV
• No Sample and Hold Required

TC835 Typical Application

• Personal Computer Data Acquisition
• Scales, Panel Meters, Process Controls
• HP-IL Bus Instrumentation

TC835 Connection Diagram

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