BD8878FV
无需耦合电容器的线路放大器
BD8878FV
无需耦合电容器的线路放大器
BD8878FV是无需输出耦合电容器的线路放大器。内置负电源发生电路。通过采用正电压与负电压的两种电压来驱动线路放大器，以ground level为基准进行输出。因此，具有广阔的输出动态范围，可利用5V的单电源输出2Vrms的信号。由此，可减少高电压输出的稳压器。此外，因为是以ground为基准进行输出，无需输出耦合电容器即可连接其他元器件。
主要规格
特性：
Output Type
C-less
Number of Ch
2
Gain [dB]
6.7
Circuit Type
Non-inverted
Maximum Output [Vrms,RL=10kΩ]
3
Minimum Load [Ω]
550
Input Type
Analog
THD+N [%,RL=10kΩ]
0.003
S/N [dB]
109
PSRR [dB]
-65
Start Up Time [µs]
470
Stand-by Current [µA]
0.1
Power Supply Voltage (Min.) [V]
3
Power Supply Voltage (Max.) [V]
5.5
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
特点：
- Possible to output 2Vrms with single-supply 5V
- Output Coupling Capacitor-less
- Variable Gain (+6dB / +9dB Typ.) [BD8876FV]
- Fixed Gain (+6.7dB Typ.) [BD8878FV]
- Integrated Negative Power Supply
- Ground-Referenced Outputs
- Integrated Short-Circuit and Thermal Protection
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BD8878FV-EVK-001
BD8876FV, BD8878FV are output coupling capacitor-less line amplifiers. These IC have a negative voltage generator built-in and generate the negative voltage from the supply voltage. It is possible to drive in a ground reference with both voltage of the supply voltage and the negative voltage.
