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Operational Amplifiers (Op Amps) | NCS5651
概览
NCS5651 是一款高能效，A/B 级，低失真电力线通信驱动器。它适用于从电力线载波 (PLC) 调制解调器接受信号。该器件由两个运算放大器 (opamps) 组成。输出运算放大器适用于将最高 2 A 峰值电流驱动至隔离变压器或耦合电源的简单线圈中。在 1.5 A 输出电流下，输出电压可保证两个轨 1 V 以下的摆幅，为用户提高了 SNR。 除了输出放大器之外，还提供了小信号运算放大器，可以配置为一致增益跟踪缓冲器，或者提供 4 极低通过滤器的第一级。NCS5651 提供了电流限值，可使用单电阻、R 限值和电流限值标志仪器对其进行编程。该器件提供两个带迟滞的独立热标志：让用户了解内部结温度达到用户编程的热警告阈值的热警告标志，表明内部结温度超过 150 °C 的热错误标志。NCS5651 的电源电压范围为 6-12 V。可以关断，使得输出处于高阻抗状态。NCS5651 采用带裸露热焊盘的 20 引线 QFN 封装 (4x4x1 mm3)，提高了热可靠性。
- Smart and renewable energy controls
- Solar panel control
- Smart street lighting control
- In-home display for split metering
- Home and building automation
- Transmission of alerts (fire, gas leak, water leak)
- Electricity metering
- Industrial control
- Rail-to-rail : drop of only +/-1 V with Iout = 1.5A
- VBB supply voltage 6-12 V
- Flexible 4th-order filtering
- Current-limit set with one resistor
- Diagnostic flags level shitfted to VCC to simplify interface with external MCU - thermal warning flag with flexible threshold setting - thermal error flag and hutdown - overcurrent flag
- Enable/shutdown control
- Extended junction temperature range : -40 °C to +125 °C
- Small package : 20-pin 4x4x1 mm3 NQFP with exposed thermal pad
- Optimized for operation in the Cenelec A to D frequency band
- This is a Pb-free device
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NCS5651MNTXG
Active
Pb
A
H
P
QFN-20
1
260
REEL
2500
Y
No
2
6
12
0.021
10
60
70
1500
-
250
<1000
85
Bipolar
-40 to 125
$1.242
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