LMP8480

4V 至 76V 電流感應(yīng)放大器; ? 典型值：TA = 25°C\n? 雙向或單向感測\n? 共模電壓范圍：4.0V 至 76V\n? 電源電壓范圍：4.5V 至 76V\n? 固定增益：20、60 和 100V/V\n? 增益精度：±0.1%\n? 偏移：±80μV\n? 帶寬 (–3dB)：270kHz\n? 靜態(tài)電流：小于 100μA\n? 緩沖后的高電流輸出：大于 5mA\n? 輸入偏置電流：7μA\n? PSRR（直流）：122dB\n? CMRR（直流）：124dB\n? 溫度范圍：–40°C 至 125°C;

LMP8480 和 LMP8481 是精密的高側(cè)電流感測放大器，可將作用于電流感測電阻兩端較小的差分電壓放大為高輸入共模電壓。這些放大器專為雙向 (LMP8481) 或單向 (LMP8480) 電流 應(yīng)用而設(shè)計， 并支持共模電壓范圍為 4V 至 76V 且?guī)挒?270kHz 的輸入信號。由于工作電源電壓范圍與輸入共模電壓范圍之間有重疊，因此 LMP848x 可由同一受監(jiān)視的電壓進(jìn)行供電。該優(yōu)勢使得我們無需再將中間電源電壓路由至電流正受監(jiān)視的負(fù)載點(diǎn)，從而減少組件數(shù)并節(jié)省板空間。\n\nLMP848x 系列包含 20、60 和 100 等各種固定增益，適用于在各種溫度下都需實現(xiàn)高精度的 應(yīng)用 。低輸入偏移電壓允許在不影響系統(tǒng)誤差的情況下使用較小的感應(yīng)電阻器。憑借 –40°C 至 125°C 的寬工作溫度范圍，LMP848x 成為汽車、電信、工業(yè)和消費(fèi)類 應(yīng)用的理想之選。LMP8480 和 LMP8481 是 MAX4080 和 MAX4081 的引腳到引腳替代產(chǎn)品，可提升偏移電壓、擴(kuò)大基準(zhǔn)調(diào)節(jié)范圍并提高輸出驅(qū)動能力。LMP8480 和 LMP8481 采用 8 引腳 VSSOP 封裝。

LMP8480

Precision 76V High-Side Current Sense Amplifiers with Voltage Output

LMP8480

High-Side Current Sense Amplifiers With Voltage Output

LMP8480

Precision 76V High-Side Current Sense Amplifiers with Voltage Output

LMP8480-Q1

AEC-Q100、4V 至 76V 電流感應(yīng)放大器; ? Qualified for Automotive Applications\n? AEC-Q100 Qualified With the Following Results: \n? Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature\n? Device HBM ESD Classification Level 2\n? Device CDM ESD Classification Level C6\n \n? Bidirectional or Unidirectional Sensing\n? Common Mode Voltage Range: 4.0 V to 76 V\n? Supply Voltage Range: 4.5 V to 76 V\n? Fixed Gains: 20, 60, and 100 V/V\n? Gain Accuracy: ±0.1%\n? Offset: ±80 μV\n? Bandwidth (–3 dB): 270 kHz\n? Quiescent Current: 5 mA\n? Input Bias Current: 7 μA\n? PSRR (DC): 122 dB\n? CMRR (DC): 124 dB;

The automotive-qualified LMP8480-Q1 and LMP8481-Q1 devices are precision, high-side, current-sense amplifiers that amplify a small differential voltage developed across a current-sense resistor in the presence of high input common-mode voltages. These amplifiers are designed for bidirectional (LMP8481-Q1) or unidirectional (LMP8480-Q1) current applications and accept input signals with a common-mode voltage range from 4 V to 76 V with a bandwidth of 270 kHz. Because the operating power-supply range overlaps the input common-mode voltage range, the LMP848x-Q1 can be powered by the same voltage that is being monitored. This benefit eliminates the need for an intermediate supply voltage to be routed to the point of load where the current is being monitored, resulting in reduced component count and board space.\n\nThe LMP848x-Q1 family consists of fixed gains of 20, 60, and 100 for applications that demand high accuracy over temperature. The low-input offset voltage allows the use of smaller sense resistors without sacrificing system error. The LMP8480-Q1 and LMP8481-Q1 are pin-for-pin replacements for the MAX4080 and MAX4081 devices, offering improved offset voltage, wider reference adjust range, and higher output drive capabilities. The LMP8480-Q1 and LMP8481-Q1 are available in an 8-pin VSSOP package.

LMP8480_15

LMP848x Precision 76-V High-Side Current Sense Amplifiers With Voltage Output

LMP8480AHQDGKRQ1

Automotive, 76-V, High-Side, High-Speed, Current Sense Amplifier

LMP8480ASQDGKRQ1

Automotive, 76-V, High-Side, High-Speed, Current Sense Amplifier

LMP8480ATQDGKRQ1

Automotive, 76-V, High-Side, High-Speed, Current Sense Amplifier

LMP8480MME-S

High-Side Current Sense Amplifiers With Voltage Output