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類比轉數位轉換器 (ADC)
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TLA2024

現行

具有電壓參考、振盪器和 I2C 的 12 位元、4 通道、delta-sigma ADC

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TLA2024

現行
產品規格表 立即訂購

產品詳細資料

Resolution (Bits) 12 Sample rate (max) (ksps) 3.3 Number of input channels 4 Interface type I2C Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode Internal Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Features Oscillator, PGA, Small Size Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 0.3 Analog supply (min) (V) 2 Analog supply voltage (max) (V) 5.5 Digital supply (min) (V) 2 Digital supply (max) (V) 5.5
Resolution (Bits) 12 Sample rate (max) (ksps) 3.3 Number of input channels 4 Interface type I2C Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode Internal Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Features Oscillator, PGA, Small Size Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 0.3 Analog supply (min) (V) 2 Analog supply voltage (max) (V) 5.5 Digital supply (min) (V) 2 Digital supply (max) (V) 5.5
X2QFN (RUG) 10 3 mm² 1.5 x 2
  • Industry’s Lowest-Cost 12-Bit Delta-Sigma ADCs
  • Ultra-Small X2QFN Package: 2 mm × 1.5 mm
  • Highly Integrated:
    • 4 Single-Ended or 2 Differential Inputs Make the TLA2024 the Industry’s Highest Channel Density ADC (0.75 mm² per Channel)
    • PGA (TLA2022 and TLA2024 Only)
    • Voltage Reference
    • Oscillator
  • Low Current Consumption: 150 µA
  • Wide Supply Range: 2 V to 5.5 V
  • Programmable Data Rate: 128 SPS to 3.3 kSPS
  • I2C™ Compatible Interface:
    • Supports Standard-Mode and Fast-Mode
    • Three Pin-Selectable I2C Addresses
  • Operating Temperature Range: –40°C to +85°C
  • Industry’s Lowest-Cost 12-Bit Delta-Sigma ADCs
  • Ultra-Small X2QFN Package: 2 mm × 1.5 mm
  • Highly Integrated:
    • 4 Single-Ended or 2 Differential Inputs Make the TLA2024 the Industry’s Highest Channel Density ADC (0.75 mm² per Channel)
    • PGA (TLA2022 and TLA2024 Only)
    • Voltage Reference
    • Oscillator
  • Low Current Consumption: 150 µA
  • Wide Supply Range: 2 V to 5.5 V
  • Programmable Data Rate: 128 SPS to 3.3 kSPS
  • I2C™ Compatible Interface:
    • Supports Standard-Mode and Fast-Mode
    • Three Pin-Selectable I2C Addresses
  • Operating Temperature Range: –40°C to +85°C

The TLA2021, TLA2022, and TLA2024 devices (TLA202x) are easy-to-use, low-power, 12-bit delta-sigma (ΔΣ) analog-to-digital converters (ADCs) targeted for any type of system-monitoring applications (such as supply or battery voltage supervision, current sensing, or temperature measurements). Offered in an ultra-small, leadless, 10-pin X2QFN package, the TLA2021 and TLA2022 are single-channel ADCs while the TLA2024 features a flexible input multiplexer (MUX) with two differential or four single-ended input measurement options.

The TLA202x integrate a voltage reference and oscillator. Additionally, the TLA2022 and TLA2024 include a programmable gain amplifier (PGA) with selectable input ranges from ±256 mV to ±6.144 V, enabling both large- and small-signal measurements.

The TLA202x communicate via an I2C-compatible interface and operate in either continuous or single-shot conversion mode. The devices automatically power down after one conversion in single-shot conversion mode, significantly reducing power consumption during idle periods.

All of these features, along with a wide operating supply voltage range, make the TLA202x suitable for power- and space-constrained, system-monitoring applications.

The TLA2021, TLA2022, and TLA2024 devices (TLA202x) are easy-to-use, low-power, 12-bit delta-sigma (ΔΣ) analog-to-digital converters (ADCs) targeted for any type of system-monitoring applications (such as supply or battery voltage supervision, current sensing, or temperature measurements). Offered in an ultra-small, leadless, 10-pin X2QFN package, the TLA2021 and TLA2022 are single-channel ADCs while the TLA2024 features a flexible input multiplexer (MUX) with two differential or four single-ended input measurement options.

The TLA202x integrate a voltage reference and oscillator. Additionally, the TLA2022 and TLA2024 include a programmable gain amplifier (PGA) with selectable input ranges from ±256 mV to ±6.144 V, enabling both large- and small-signal measurements.

The TLA202x communicate via an I2C-compatible interface and operate in either continuous or single-shot conversion mode. The devices automatically power down after one conversion in single-shot conversion mode, significantly reducing power consumption during idle periods.

All of these features, along with a wide operating supply voltage range, make the TLA202x suitable for power- and space-constrained, system-monitoring applications.
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類型 標題 日期
* Data sheet TLA202x Cost-Optimized, Ultra-Small, 12-Bit, System-Monitoring ADCs datasheet PDF | HTML 2017年 11月 17日
Application note Calculating Conversion Latency and System Cycle Time for Delta-Sigma ADCs (Rev. A) PDF | HTML 2024年 3月 18日
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 2023年 12月 6日
Application note Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 2023年 3月 29日
Application note Low-Side Current Shunt Op-Amp Circuit to 3-V Single-Ended ADC for Cost-Optimized (Rev. A) 2021年 9月 29日
Application note Ultra-Small, Low-Cost Analog Temperature Sensor Measurement Circuit With ADC (Rev. A) 2021年 8月 24日
Certificate TLA2024EVM-PDK EU RoHS Declaration of Conformity (DoC) 2021年 2月 19日
EVM User's guide TLA2024EVM-PDK User's Guide 2021年 2月 5日
E-book Fundamentals of Precision ADC Noise Analysis 2020年 6月 19日
Circuit design Precision measurement circuit with 16 singled-ended channels and I2C interface 2019年 10月 31日
Application note Low-side current shunt monitor circuit to 3-V single-ended ADC 2019年 6月 6日
Analog Design Journal How delta-sigma ADCs work, Part 1 (Rev. A) 2016年 9月 19日
Analog Design Journal How delta-sigma ADCs work, Part 2 2011年 11月 9日

設計與開發

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開發板

TLA2024EVM-PDK — 具 VREF、振盪器、PGA 和 I2C 評估模組的 TLA2024 12 位元、4 通道、ΔΣ ADC

TLA2024 評估模組 (EVM) 性能展示套件 (PDK) 是用於評估 TLA2024 的完整解決方案，是一款超小型、低功耗、12 位元、精密型類比轉數位轉換器 (ADC)。會透過 USB 連接和簡易軟體介面提供電源和 I/O。類比輸入會連接至端子區塊，可提供兩個差動輸入或四個單端輸入。

使用指南: PDF
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支援軟體

SBAC246 — Source Files for SBAA352

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TLA2024 — 具有電壓參考、振盪器和 I2C 的 12 位元、4 通道、delta-sigma ADC
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SBAC289 — ADS1115 Example C Code Software

ADS1115 Example C Code Software
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ADS1013 — 具振盪器、電壓參考和 I2C 的 12 位元 3.3kSPS 1 通道 ΔΣ ADC ADS1014 — 具 PGA、振盪器、電壓參考、比較器和 I2C 的 12 位元 3.3kSPS 1 通道 ΔΣ ADC ADS1015 — 具 PGA、振盪器、VREF、比較器和 I2C 的 12 位元、3.3-kSPS、 4 通道 ΔΣ ADC ADS1015-Q1 — 具 PGA、振盪器、VREF、比較器和 I2C 的車用 12 位元 3.3-kSPS 4 通道 ΔΣ ADC ADS1113 — 具振盪器、電壓參考和 I2C 的 16 位元 860SPS 1 通道 ΔΣ ADC ADS1114 — 具 PGA、振盪器、Vref、比較器和 I2C 的 16 位元 860SPS 1 通道 ΔΣ ADC ADS1115 — 具 PGA、振盪器、VREF、比較器和 I2C 的 16 位元、860-SPS、4 通道 ΔΣ ADC ADS1115-Q1 — 具 PGA、振盪器、VREF、比較器和 I2C 的車用 16 位元 860-SPS 4 通道 ΔΣ ADC TLA2024 — 具有電壓參考、振盪器和 I2C 的 12 位元、4 通道、delta-sigma ADC ADS1115L — 支援 PGA、比較器和 1.8-V I²C 匯流排電壓的 16 位元、860-SPS 四通道 delta-sigma ADC
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模擬型號

TLAX02X IBIS Model

SBAM369.ZIP (14 KB) - IBIS Model
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計算工具

ANALOG-ENGINEER-CALC — 類比工程師計算機

The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
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PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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模擬工具

TINA-TI — 基於 SPICE 的類比模擬程式

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
使用指南: PDF
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