ICL7135_07 INTERSIL [Intersil Corporation], ICL7135_07 Datasheet
ICL7135_07
Related parts for ICL7135_07
ICL7135_07 Summary of contents
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Data Sheet Digit, BCD Output, A/D Converter 2 The Intersil ICL7135 precision A/D converter, with its multiplexed BCD output and digit drivers, combines dual- slope conversion reliability with ±1 in 20,000 count accuracy and is ideally ...
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Typical Application Schematic SET V = 1.000V REF - REF 2 100kΩ ANALOG 3 GND 4 0.47μF 27Ω 5 100kΩ 1μF 6 100kΩ 7 1μF 8 100K SIGNAL 9 INPUT 0.1μ ...
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Absolute Maximum Ratings Supply Voltage ...
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SET V = 1.000V REF V IN REF - REF 100kΩ 3 ANALOG GND ANALOG INT OUT 4 GND 0.47μF 27Ω 5 A-Z IN 100kΩ 1μF 6 BUF OUT 100kΩ REF CAP 1 7 1μF 8 REF ...
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Detailed Description Analog Section Figure 3 shows the Block Diagram of the Analog Section for the ICL7135. Each measurement cycle is divided into four phases. They are (1) auto-zero (AZ), (2) signal-integrate (INT), (3) de-integrate (DE) and (4) zero-integrator (Zl). ...
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Digital Section Figure 5 shows the Digital Section of the ICL7135. The ICL7135 includes several pins which allow it to operate conveniently in more sophisticated systems. These include: Run/HOLD (Pin 25) When high (or open) the A/D will free-run with ...
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Digit Drives (Pins 12, 17, 18, 19 and 20) Each digit drive is a positive going signal that lasts for 200 clock pulses. The scan sequence is D5 (MSD), D4, D3, D2, and D1 (LSD). All five digits are scanned ...
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The effect of the resistor is to introduce a small pedestal voltage on to the integrator output at the beginning of the reference integrate phase. By careful selection of the ratio between this resistor and ...
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Power Supplies The ICL7135 is designed to work from ±5V supplies. However, in selected applications no negative supply is required. The conditions to use a single +5V supply are: 1. The input signal can be referenced to the center of ...
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A POL G HI VOLTAGE BUFFER D1 505 +5V 47K 5K 0.02μF 2.5K GATES ARE 7409 0.02μF POL ICL7135 V+ DGND FIGURE 8. ICL7135 PLASMA DISPLAY CIRCUIT 1 + CD4030 23 ...
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REF VOLTAGE - ICL7135 2 REF ANALOG 3 COMMON 27Ω 4 INT OUT ANALOG 0.47μ GND IN 1μF 100kΩ 6 BUF OUT 100kΩ 7 RC1 1μF 8 RC2 9 INPUT LO 100kΩ 10 INPUT HI INPUT ...
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SERIAL OUTPUT TO RECEIVING UART TRO UART EPE IM6402/3 TBR ICL7135 RUN/HOLD POL FIGURE 13. ICL7135 TO UART INTERFACE 1Y PA0 EN 2Y PA1 ...
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Design Information Summary Sheet • CLOCK INPUT The ICL7135 does not have an internal oscillator. It requires an external clock. f (Typ) = 120kHz CLOCK • CLOCK PERIOD t = 1/f CLOCK CLOCK • INTEGRATION PERIOD t = 10,000 x ...
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Die Characteristics DIE DIMENSIONS: (120 mils x 130 mils) x 525μm ±25μm METALLIZATION: Type: Al Å Å ±1k Thickness: 10k Metallization Mask Layout (MSD) D5 (LSB (MSB ICL7135 PASSIVATION: ...
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Dual-In-Line Plastic Packages (PDIP INDEX N/2 AREA -B- -A- D BASE PLANE -C- SEATING PLANE 0.010 (0.25 NOTES: 1. Controlling Dimensions: INCH. In case of conflict between ...