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MAX138CPL+
Display Drive AD Converter, LCD Display, 3.5 Digits, Differential, Single, 2.5 V
- Manufacturer:
- MAXIM INTEGRATED PRODUCTS MAXIM INTEGRATED PRODUCTS
- Manufacturer Part No:
- MAX138CPL+
- Order Code:
- 2513605
- Product Range
- LCD/LED Display ADCs
- Technical Datasheet:
- MAX138CPL+ Datasheet
Product Range Selector (LCD/LED Display ADCs)
See all from this product rangeProduct Overview
The MAX138CPL+ is a 3.5 digit analogue to digital converter (ADC) with reference, charge pump and onboard LCD display drivers in 40 pin DIP package. The charge pump inverter allows the device to measure both positive and negative input voltages while operating from single power supply voltages from 2.5V to 7V. The operating circuits of MAX138 are similar to those of ICL7136 except the MAX138 has an internal oscillator and an external charge pump capacitor connected to pins 38 and 40. It is used in 5V powered panel meters, 3V powered DMMs and digital thermometers.
- V+ current of 200µA at TA = 25°C
- Operating temperature range from 0°C to 70°C
- Charge pump voltage inverter generates a negative supply voltages
- Internal bandgap reference
- Peak to peak segment drive voltage of 5V and test pin voltage of 5V with respect to V+
- ±000.0 digital reading (zero input reading) at TA = 25°C
- 999/1000 digital reading (ratiometric reading) at TA = 25°C
- Rollover error of ±0.2counts at TA = 25°C and linearity of ±0.2counts
- CMRR of 50µV/V and noise of 15µV
- ±20ppm/°C temperature coefficient of analogue common with respect to positive supply
Applications
Signal Processing, Portable Devices
Product Information
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- 3.5 Digits
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- -
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- Differential
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- -
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- Single
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- 2.5V
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- 7V
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- DIP
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- 40Pins
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- 0°C
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- 70°C
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- LCD/LED Display ADCs
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- -
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- MSL 1 - Unlimited
Technical Docs (1)
Available for back order
More stock available to supplier lead times which is approximately 3/29/21
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Php1,218.30
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