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Overview
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Development Resources
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Application
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Ordering Detail
Overview
The TPC5120/TPC5121 products include capacitorbased SAR A/D converters with inherent sample and hold. The TPC5120 has 16-channel single-ended inputs and the TPC5121 has 8-channel single-ended inputs.
The devices accept a wide analog supply range from 2.7 V to 5.25 V. The ultra-low power consumption makes these devices suitable for battery-powered and isolated power-supply applications.
A wide 1.7-V to 5.25-V I/O supply range facilitates a glueless interface with the most used digital hosts. The serial interface is controlled by ̅CS̅̅̅ and SCLK for easy connection with microprocessors and DSP.
The input signal is sampled with the falling edge of ̅CS̅̅̅. It uses SCLK for conversion, serial data output, and reading serial data in. The devices allow auto sequencing of preselected channels or manual selection of a channel for the next conversion cycle. There are two software selectable input ranges (0 V to VREF and 0 V to 2 × VREF), individually configurable GPIOs (four in case of the TSSOP and one on the VQFN package devices), and two programmable alarm thresholds per channel. These features make the devices suitable for most data acquisition applications.
The devices offer an attractive power-down feature. This is extremely useful for power saving when the device is operated at lower conversion speeds.
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Status
Production
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Rating
Industrial
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Resolution
12
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VDD (V)
2.7~5.5
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Channel
16
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Throughput Rate (Msps)
1
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Architecture
SAR
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Input Type
Single-Ended
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Multichannel Configuration
Multiplexed
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INL (LSB, Max)
±1.5
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DNL (LSB, Max)
(-1, 1.5)
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Offset Error (LSB, Max)
±4
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Gain Error (LSB)
±2
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Voltage Input Range (V)
0.~2.5, 0~5
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IDD (mA)
1.65
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Digital Interface
SPI
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Temperature Range (℃)
-40 to +125
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Package
QFN5X5-32, TSSOP38
Development Resources
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Documentation
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Show FilterHidden FilterDocumentation
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Data Sheet
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Selection Guide
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Application Note
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Technical Note
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User Guide
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Test Report
- Document Name
- Type
- Language
- Date
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Data SheetEnglish02/02/2024
12-bit 1-MHz SAR ADC
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Technical NoteEnglish01/19/2024
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Technical NoteEnglish01/19/2024
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Technical NoteEnglish01/19/2024
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Selection GuideEnglish01/19/2024
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Application
• Wireless Infrastructure
• PLC / DCS
• Battery Powered Systems
• General Purpose Monitor and Control
Ordering Detail
| Order Part Number | Buy | Samples | Rating | Feature | Status | 1ku Price | Release Date | Package | Lead time (week) | MSL | Packing | MPQ | CPQ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TPC5120S16-TS7R-S | Industrial Grade | / | Released | $2.354 | 2022-02-07 | TSSOP38 | 11 | MSL3 | T&R | 3000 | 15000 | ||
| TPC5120S16-QFBR | Industrial Grade | / | Released-conditional | $2.725 | 2022-07-25 | QFN5X5-32 | 11 | MSL3 | T&R | 3000 | 15000 |
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