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Product Overview
The TLV3704IN from Texas Instruments is a quad-channel, open-collector comparator designed for low-power and high-precision applications. It operates over a wide supply voltage range of 2.5V to 16V, making it suitable for battery-powered and industrial systems. The device features a typical propagation delay of 1.5 µs and a low supply current of 40 µA per channel, enabling efficient signal conditioning in space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
4 |
| Supply Voltage (VCC) |
2.5V to 16V |
| Supply Current (per channel) |
40 µA (typ) |
| Propagation Delay (low-to-high) |
1.5 µs (typ) |
| Output Type |
Open-Collector |
| Input Offset Voltage |
±5 mV (max) |
| Input Bias Current |
25 nA (typ) |
| Common-Mode Input Range |
VCC-1.5V to VCC+0.2V |
| Operating Temperature |
-40°C to +125°C |
| Package |
14-PDIP |
Key Features
- Quad comparator in a single 14-PDIP package
- Wide supply voltage range: 2.5V to 16V
- Ultra-low power consumption: 40 µA per channel
- Open-collector outputs for wired-OR and level shifting
- Fast propagation delay: 1.5 µs typical
- High input impedance with low bias current
- Extended temperature range: -40°C to +125°C
Target Applications
- Battery management systems in electric vehicles (e.g., Tesla Model 3 BMS)
- Overcurrent detection in 5G base station power supplies (e.g., Huawei 5G BBU)
- Window comparators for automotive dashboard sensors (e.g., Ford SYNC 4)
- Zero-crossing detectors in industrial motor drives (e.g., Siemens SINAMICS)
- Threshold detection in portable medical devices (e.g., Medtronic insulin pump)
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產品概述
TLV3704IN 是德州儀器(TI)推出的一款四通道開集極比較器,專為低功耗和高精度應用設計。其工作電壓範圍為 2.5V 至 16V,適用於電池供電和工業系統。該器件典型傳播延遲為 1.5 µs,每通道供電電流僅 40 µA,可在空間受限的設計中實現高效信號調理。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
4 |
| 電源電壓 (VCC) |
2.5V 至 16V |
| 每通道供電電流 |
40 µA (典型值) |
| 傳播延遲 (低到高) |
1.5 µs (典型值) |
| 輸出類型 |
開集極 |
| 輸入失調電壓 |
±5 mV (最大值) |
| 輸入偏置電流 |
25 nA (典型值) |
| 共模輸入範圍 |
VCC-1.5V 至 VCC+0.2V |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
14-PDIP |
核心特性
- 單個 14-PDIP 封裝內集成四路比較器
- 寬電源電壓範圍:2.5V 至 16V
- 超低功耗:每通道 40 µA
- 開集極輸出,支持線與邏輯和電平轉換
- 快速傳播延遲:典型值 1.5 µs
- 高輸入阻抗,低偏置電流
- 擴展溫度範圍:-40°C 至 +125°C
典型應用場景
- 電動汽車電池管理系統(如 Tesla Model 3 BMS)
- 5G 基站電源過流檢測(如華為 5G BBU)
- 汽車儀表盤傳感器窗口比較器(如福特 SYNC 4)
- 工業電機驅動零交叉檢測(如西門子 SINAMICS)
- 便攜醫療設備閾值檢測(如美敦力胰島素泵)
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