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Details for TC7129CPL by Microchip Technology
TC7129
TC7129CPL
Buy Directly from Microchip Technology Inc (724 in stock) $14.9500
4-1/2 Digit A/D w/LCD Driver
TC7129CPL image

TC7129CPL by Microchip Technology

4-1/2 Digit A/D w/LCD Driver
Features
Count Resolution: u00b119,999
Resolution on 200 mV Scale: 10 u00b5V
True Differential Input and Reference
Low Power Consumption: 500 u00b5A at 9V
Direct LCD Driver for 4-1/2 Digits
Low Battery Indicator, and Continuity Indicator
Overrange and Underrange Outputs
Range Select Input: 10:1
High Common Mode Rejection Ratio: 110 dB
External Phase Compensation Not Required
Description
The TC7129 is a 4-1/2 digit analog-to-digital converter (ADC) that directly drives a multiplexed liquid crystal display (LCD).Fabricated in high-performance, low-power CMOS, the TC7129 ADC is designed specifically for high-resolution, battery-powered digital multimeter applications. The traditional dual-slope method of A/D conversion has been enhanced with a successive integration technique to produce readings accurate to better than 0.005% of full scale, and resolution down to 10µV per count. The TC7129 includes features important to multimeter applications. It detects and indicates low-battery condition. A continuity output drives an annunciator on the display, and can be used with an external driver to sound an audible alarm. Overrange and underrange outputs and a range-change input provide the ability to create auto-ranging instruments. For snapshot readings, the TC7129 includes a latch-and-hold input to freeze the present reading. This combination of features makes the TC7129 the ideal choice for full-featured multimeter and digital measurement applications.
Specifications
Display Type:
2
Resolution (Digits):
4.5
Resolution (Counts):
20000
Temp Range Max:
70
Power:
4.5
Supply Voltage (V):
9
Resolution:
4.5
Max. Sampling Rate. (ksamples/sec):
15
Input Channels SingleEnded:
1
Input Channels Differential:
1
Vref Min (V):
1
Vref Source:
External
Vdd Max (V):
9
Vdd Min.:
9
Internal Buffer:
Y
Reference Source:
External
INL Max (+- LSB):
1
Temperature Range:
0C to +70C
Alternate Descriptions
4-1/2 Digit A/D Converter LCD 9V PDIP40 RS Components
ANALOG TO DIGITAL CONVERTER ADC, 4.5BIT, DIP-40; Resolution (Bits):4.5bit; Sampling Rate:-; Input Channel Type:Differential; Data Interface:Parallel; Supply Voltage Type:Single; Supply Voltage Min:6V; Supply Voltage Max:12V; MSL:- RoHS Compliant: Yes Newark Electronics
ADC Single Dual Slope 4 1/2Digit LCD 40-Pin PDIP Tube Avnet America
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Microchip TC7129CPL, 4.5 LSB ADC, Differential Input, 40-Pin PDIP Allied Electronics & Automation
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Details for TC7129CPL by Microchip Technology
TC7129
TC7129CPL
Buy Directly from Microchip Technology Inc (724 in stock) $14.9500
ADC 4-1/2 DIGIT LCD DRIVER 40DIP
TC7129CPL image

TC7129CPL by Microchip Technology

ADC 4-1/2 DIGIT LCD DRIVER 40DIP
Features
Direct LCD Driver for 4-1/2 Digits, Decimal Points, Low Battery Indicator, and Continuity Indicator
External Pha
High Common Mode Rejection Ratio: 110 dB
Low Power Consumption: 500 u03bcA at 9V
Overrange and Underrange Outputs
Range Select Input: 10:1
Resolution on 200 mV Scale: 10 u03bcV
True Differential Input and Reference
Part Information
TC7129CPL image
RoHS Compliant
Description
The TC7129 is a 4-1/2 digit Analog-to-Digital Converter (ADC) that directly drives a multiplexed Liquid Crystal Display (LCD). Fabricated in high-performance, low- power CMOS, the TC7129 ADC is designed specifi- cally for high-resolution, battery-powered digital multi- meter applications. The traditional dual-slope method of A/D conversion has been enhanced with a succes- sive integration technique to produce readings accu- rate to better than 0.005% of full-scale and resolution down to 10 μV per count. The TC7129 includes features important to multimeter applications. It detects and indicates low battery condi- tion. A continuity output drives an annunciator on the display and can be used with an external driver to sound an audible alarm. Overrange and underrange outputs, along with a range-change input, provide the ability to create auto-ranging instruments. For snapshot read- ings, the TC7129 includes a latch-and-hold input to freeze the present reading. This combination of features makes the TC7129 the ideal choice for full-featured multimeter and digital measurement applications.
Specifications
Resolution (Bits):
4.5bit
Sampling Rate:
-
Input Channel Type:
Differential
Data Interface:
Parallel
Supply Voltage Type:
Single
Supply Voltage Min:
6V
Supply Voltage Max:
12V
ADC / DAC Case Style:
DIP
No. of Pins:
40Pins
Operating Temperature Min:
0°C
Operating Temperature Max:
70°C
Product Range:
LCD/LED Display ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (15-Jan-2018)
Base Number:
7129
IC Case Style:
DIP
Operating Temperature Range:
0°C to +70°C
Supply Current:
800µA
Supply Voltage Range:
6V to 12V
Supply Voltage Range - Analogue:
6V to 12V
Alternate Descriptions
4-1/2 Digit A/D Converter LCD 9V PDIP40 RS Components
ANALOG TO DIGITAL CONVERTER ADC, 4.5BIT, DIP-40; Resolution (Bits):4.5bit; Sampling Rate:-; Input Channel Type:Differential; Data Interface:Parallel; Supply Voltage Type:Single; Supply Voltage Min:6V; Supply Voltage Max:12V; MSL:- RoHS Compliant: Yes Newark Electronics
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