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類比溫度感測器

LM60

現行

具 6.25mV/°C 增益和 TO-92 選項的 ±2°C 類比輸出溫度感測器

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LM60

現行
產品規格表 立即訂購

產品詳細資料

Local sensor accuracy (max) 2, 3 Rating Catalog Operating temperature range (°C) -40 to 125 Supply voltage (min) (V) 2.7 Supply voltage (max) (V) 10 Supply current (max) (µA) 110 Interface type Analog output Sensor gain (mV/°C) 6.25 Features Industry standard pinout
Local sensor accuracy (max) 2, 3 Rating Catalog Operating temperature range (°C) -40 to 125 Supply voltage (min) (V) 2.7 Supply voltage (max) (V) 10 Supply current (max) (µA) 110 Interface type Analog output Sensor gain (mV/°C) 6.25 Features Industry standard pinout
SOT-23 (DBZ) 3 6.9204 mm² 2.92 x 2.37 TO-92 (LP) 3 19.136 mm² 5.2 x 3.68
  • Industry-Standard Sensor Gain/Offset:
    • 6.25mV/°C, 424 mV at 0°C
  • LM60B Temperature Accuracy:
    • ±2°C (Max) at 25°C
    • ±3°C (Max) over −25°C to +125°C (Legacy chip) and −40°C to +125°C (New chip)
  • LM60C Temperature Accuracy:
    • ±3°C (Max) at 25°C
    • ±4°C (Max) over −40°C to +125°C
  • Wide Supply Range: 2.7V to 10V
  • Quiescent Current at 25°C: 110µA (Max/Legacy chip) and 70µA (Max/New chip)
  • Available Package Options:
    • SOT-23 (3-pin)
    • TO-92 (3-pin, Straight Leads)
    • TO-92 (3-pin, Formed Leads)
  • Nonlinearity: ±0.8°C (Maximum)
  • DC Output Impedance: 120Ω/800Ω (typ/Max)
  • Suitable for Remote Applications
  • Industry-Standard Sensor Gain/Offset:
    • 6.25mV/°C, 424 mV at 0°C
  • LM60B Temperature Accuracy:
    • ±2°C (Max) at 25°C
    • ±3°C (Max) over −25°C to +125°C (Legacy chip) and −40°C to +125°C (New chip)
  • LM60C Temperature Accuracy:
    • ±3°C (Max) at 25°C
    • ±4°C (Max) over −40°C to +125°C
  • Wide Supply Range: 2.7V to 10V
  • Quiescent Current at 25°C: 110µA (Max/Legacy chip) and 70µA (Max/New chip)
  • Available Package Options:
    • SOT-23 (3-pin)
    • TO-92 (3-pin, Straight Leads)
    • TO-92 (3-pin, Formed Leads)
  • Nonlinearity: ±0.8°C (Maximum)
  • DC Output Impedance: 120Ω/800Ω (typ/Max)
  • Suitable for Remote Applications

The LM60 device is a precision integrated-circuit temperature sensor that can sense a −40°C to +125°C temperature range while operating from a single 2.7V to 10V supply. The output voltage of the device is linearly proportional to Celsius (Centigrade) temperature (6.25mV/°C) and has a DC offset of 424mV. The offset allows reading negative temperatures without the need for a negative supply. The nominal output voltage of the device ranges from 174mV to 1205mV for a −40°C to +125°C temperature range. The device is calibrated to provide accuracies of ±2°C at room temperature and ±3°C over the full −25°C to +125°C (for Legacy chip) or −40°C to +125°C (for New chip) temperature range.

The linear output of the device, 424mV offset, and factory calibration simplify external circuitry required in a single supply environment where reading negative temperatures is required. Because the quiescent current of the device is less than 110µA (for Legacy chip) and 70µA (for New chip), self-heating is limited to a very low 0.1°C in still air in the SOT-23 package. Shutdown capability for the device is intrinsic because the inherent low power consumption allows the device to be powered directly from the output of many logic gates.

The LM60 device is a precision integrated-circuit temperature sensor that can sense a −40°C to +125°C temperature range while operating from a single 2.7V to 10V supply. The output voltage of the device is linearly proportional to Celsius (Centigrade) temperature (6.25mV/°C) and has a DC offset of 424mV. The offset allows reading negative temperatures without the need for a negative supply. The nominal output voltage of the device ranges from 174mV to 1205mV for a −40°C to +125°C temperature range. The device is calibrated to provide accuracies of ±2°C at room temperature and ±3°C over the full −25°C to +125°C (for Legacy chip) or −40°C to +125°C (for New chip) temperature range.

The linear output of the device, 424mV offset, and factory calibration simplify external circuitry required in a single supply environment where reading negative temperatures is required. Because the quiescent current of the device is less than 110µA (for Legacy chip) and 70µA (for New chip), self-heating is limited to a very low 0.1°C in still air in the SOT-23 package. Shutdown capability for the device is intrinsic because the inherent low power consumption allows the device to be powered directly from the output of many logic gates.
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類型 標題 日期
* Data sheet LM60 2.7V, SOT-23 or TO-92 Temperature Sensor datasheet (Rev. G) 2025年 2月 25日
Application note Tiny Temperature Sensors for Remote Systems 2003年 2月 17日

設計與開發

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參考設計

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此參考設計運用 UCD3138064A 做為數位控制器，使用支援雙相峰值電流模式控制的能力來控制反相降壓升壓。此設計採用軟切換技術提升電源效率。輸入電壓範圍為 -62 V 至 -36 V。輸出電壓範圍可在 28 V 至 52 V 之間調整。預設輸出電壓為 48-V，最大電流為 14 A。
Test report: PDF
參考設計

PMP20587 — 反相降壓升壓參考設計

此參考設計使用 UCD3138064A 做為數位控制器，以控制二相二軌反相降壓升壓。此非隔離式轉換器用於無線電供電。輸入電壓範圍為 -35 V 至 -60 V。共有兩個輸出。軌 1 的預設輸出電壓為 32 V，最大電流為 8.5 A；軌 2 的預設輸出電壓為 48 V，最大電流為 5.5 A。輸出電壓可從 30 V 調整至 56 V。在進行部分元件變更和韌體變更後，硬體可用於電流模式控制或轉換模式控制，以增加功率並改善負載瞬態。分別提供了三種控制的測試結果。
Test report: PDF
電路圖: PDF
參考設計

PMP4435 — 具有 GaN FET 的 48V 輸入、300W 1/8brick 數位模組參考設計

The PMP4435 is a DC-DC isolated digital module with GaN mosfet reference design targeted for industrial and telecom applications. The DC input range is 36V-60V, with 12V typical and the output is 12V/5A. An digital controller UCD3138A is used in the design. The efficiency is up to 95.8% with good (...)
Test report: PDF
電路圖: PDF
參考設計

TIDA-00412 — 360W 數位控制相移全橋轉換器參考設計

DC-DC power converter with digital control using UCD3138CC64EVM-030 daughter-card. The daughter-card  with preloaded firmware providing the required control functions for a Phase Shift Full Bridge converter.  The TIDA-00412 (UCD3138PSFBEVM-027) accepts a DC input from 370 to 400 VDC, and (...)
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOT-23 (DBZ) 3 Ultra Librarian
TO-92 (LP) 3 Ultra Librarian
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