首頁 放大器 特殊功能放大器 轉阻放大器
首頁
放大器
特殊功能放大器
轉阻放大器

LMH32404-Q1

現行

具整合式多工的車用四通道差動輸出轉阻放大器

立即訂購
產品規格表

LMH32404-Q1

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 4 GBW (typ) (MHz) 350 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 3.45 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Vos (offset voltage at 25°C) (max) (mV) 20 Rail-to-rail No Features Integrated TIA BW at Acl (MHz) 350 Operating temperature range (°C) -40 to 125 Rating Automotive
Number of channels 4 GBW (typ) (MHz) 350 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 3.45 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Vos (offset voltage at 25°C) (max) (mV) 20 Rail-to-rail No Features Integrated TIA BW at Acl (MHz) 350 Operating temperature range (°C) -40 to 125 Rating Automotive
VQFN (RHF) 28 20 mm² (5 mm × 4 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Gain: 20 kΩ
  • Performance, CPD = 1 pF:
    • Bandwidth: 350 MHz
    • Input-referred noise: 56 nARMS
    • Rise, fall time: 1.25 ns
  • Quiescent current: 28 mA/channel
  • Standby mode: 10 mA/channel
  • Low power mode: 2.5 mA (4 channels)
  • Channel switching time: 10 ns
  • Integrated ambient light cancellation
  • Integrated 100-mA protection clamp
  • 4 Input channels and 4 differential output channels
  • Integrated multiplexer enables flexible configurability between optical sensor and ADC/TDC
  • Multiple LMH32404s can be combined in parallel to create a wider field-of-view (FoV)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Gain: 20 kΩ
  • Performance, CPD = 1 pF:
    • Bandwidth: 350 MHz
    • Input-referred noise: 56 nARMS
    • Rise, fall time: 1.25 ns
  • Quiescent current: 28 mA/channel
  • Standby mode: 10 mA/channel
  • Low power mode: 2.5 mA (4 channels)
  • Channel switching time: 10 ns
  • Integrated ambient light cancellation
  • Integrated 100-mA protection clamp
  • 4 Input channels and 4 differential output channels
  • Integrated multiplexer enables flexible configurability between optical sensor and ADC/TDC
  • Multiple LMH32404s can be combined in parallel to create a wider field-of-view (FoV)

The LMH32404-Q1 is a quad-channel, single-ended-input to differential-output transimpedance amplifier (TIA) for light detection and ranging (LIDAR) applications and laser distance measurement systems.

The LMH32404-Q1 has an integrated 100-mA clamp on each channel that protects the amplifier and allows the device to recover rapidly from an overloaded input condition. The LMH32404-Q1 also features an integrated ambient light cancellation (ALC) circuit on each channel that can be used instead of AC coupling between the photodiode and the amplifier to save board space and system cost. The ALC loop should be disabled when DC and low frequency content is measured.

Each LMH32404-Q1 channel has integrated switches on the output to disconnect the differential output amplifier from the output pins and put the channel in standby mode. When switching between different channels, the transistion time is only 10 ns. The LMH32404-Q1 can be placed in low-power mode using the EN pin to conserve power when the amplifier is not being used.

.

.

The LMH32404-Q1 is a quad-channel, single-ended-input to differential-output transimpedance amplifier (TIA) for light detection and ranging (LIDAR) applications and laser distance measurement systems.

The LMH32404-Q1 has an integrated 100-mA clamp on each channel that protects the amplifier and allows the device to recover rapidly from an overloaded input condition. The LMH32404-Q1 also features an integrated ambient light cancellation (ALC) circuit on each channel that can be used instead of AC coupling between the photodiode and the amplifier to save board space and system cost. The ALC loop should be disabled when DC and low frequency content is measured.

Each LMH32404-Q1 channel has integrated switches on the output to disconnect the differential output amplifier from the output pins and put the channel in standby mode. When switching between different channels, the transistion time is only 10 ns. The LMH32404-Q1 can be placed in low-power mode using the EN pin to conserve power when the amplifier is not being used.

.

.
filter 尋找其它 轉阻放大器
下載 觀看有字幕稿的影片 影片

您可能會感興趣的類似產品

open-in-new 比較替代產品
功能相似於所比較的產品。
LMH32401-Q1 現行 車用可編程增益差動輸出高速轉阻放大器 Single channel with programable gain for smaller systems requiring different gain options
LMH32401 現行 可編程增益差動輸出高速轉阻放大器 A single-channel transimpedance amplifier with programable gain for smaller systems requiring different gain options

技術文件

找不到結果。請清除您的搜尋條件，然後再試一次。
檢視所有 3
重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 LMH32404-Q1 Four-Channel, Differential Output, Multiplexed Transimpedance Amplifier With Integrated Clamping and Ambient Light Cancellation datasheet (Rev. A) PDF | HTML 2021/11/1
Application brief Time of Flight and LIDAR - Optical Front End Design (Rev. A) PDF | HTML 2022/4/29
應用說明 How to Increase the Channel Density of LiDAR Systems with the 4-Channel LMH32404 PDF | HTML 2021/5/7

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

LMH32404RHFEVM — 250-MHz、四通道、差分輸出轉阻放大器評估模組

LMH32404RHFEVM 是用於 LMH32404RHF 差動輸出跨阻抗放大器的評估模組 (EVM)。EVM 配備變壓器，可將輸出轉為 50-Ω 單端連接，以利用標準測試設備輕鬆進行測量，並可選擇轉為全差動 DC 耦合訊號。輸入為預設匹配和配置的 50-Ω，以接收透過 2-kΩ 電阻器轉為電流的電壓輸入，但可重新配置以接收電路板背面選用光二極體偏壓連接的真實電流輸入。EVM 還包括易於使用的跨接器，可用於控制裝置增益、輸入偏壓電流抑制和關機功能。
使用指南: PDF | HTML
支援產品和硬體
有庫存
限制：
??asset.out-of-stock-ti_zh_TW??
無法提供
模擬型號

LMH32404-Q1 PSpice Model

SBOMBR0.ZIP (39 KB) - PSpice 模型
支援產品和硬體
模擬型號

PSpice Circuit Containing LMH32404 Model

SBOMBK6.ZIP (39 KB) - PSpice 模型
支援產品和硬體
封裝 針腳 CAD 符號、佔位空間與 3D 模型
VQFN (RHF) 28 Ultra Librarian
適用 TI 的評估品項標準條款與條件。

訂購與品質

支援與培訓

內含 TI 工程師技術支援的 TI E2E™ 論壇

以英文檢視所有論壇主題

內容係由 TI 和社群貢獻者依「現狀」提供，且不構成 TI 規範。檢視使用條款。

若有關於品質、封裝或訂購 TI 產品的問題，請參閱 TI 支援。​​​​​​​​​​​​​​

影片