4 1/2-digit, Dual-slope-integrating ADCs Offer 50-ppm Resolution with a Maximum Linearity Error of One Count
XINLUDA's 4 1/2-digit, dual-slope-integrating, analog-to-digital converters (ADCs) are designed to provide interfaces to both a microprocessor and a visual display. The digit-drive outputs D1 through D4 and multiplexed binary-coded-decimal outputs B1, B2, B4, and B8 provide an interface for LED or LCD decoder/drivers as well as microprocessors.
The XD7135DIP-28 and XL7135CDSOP-28 offer 50-ppm(one part in 20,000) resolution with a maximum linearity error of one count. The zero error is less than 10 μV and the zero drift is less than 0.5 uV/C. Source-impedance errors are minimized by a low input current(less than 10 pA). Rollover error is limited to ±1 count.
The BUSY, STROBE, RUN/HOLD, OVER RANGE, and UNDER RANGE control signals support microprocessor-based measurement systems. The control signals also can support remote data acquisition systems with data transfer through universal asynchronous receiver transmitters(UARTs).
The XD7135DIP-28 and XL7135CDSOP28 are characterized for operation from 0°℃ to 70℃.
Fig.1 DW OR N PACKAGE
Characteristic
●Zero Reading for 0-V Input
●Precision Null Detection With True Polarity at Zero
●1-pA Typical Input Current
●True Differential Input
●Multiplexed Binary-Coded-Decimal(BCD) Output
●Low Rollover Error:±1 Count Max
●Control Signals Allow Interfacing With UARTs or Microprocessors
●Autoranging Capability With Over-and Under-Range Signals
●TTL-Compatible Outputs
●Second Source to Teledyne XD7135, Intersil X17135CD,Maxi, X17135CD
●CMOS Technology
ELECTRICAL CHARACTERISTICS：
Table.1
- 【Datasheet】XD7135 DIP-28, XL7135CD SOP28 analog-to-digital converters (ADCs)
- 【Datasheet】XD7135 DIP-28, XL7135CD SOP28 analog-to-digital converters
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