- 积分
- 901
- 在线时间
- 349 小时
- 最后登录
- 2016-2-21
- 阅读权限
- 120
- 精华
- 5
- UID
- 1255
- 帖子
- 561
- 精华
- 5
- 经验
- 901 点
- 金钱
- 204 ¥
- 注册时间
- 2004-8-19
|
国办几个新的LME49系列的IC,指标奇高,看起来非常吸引人,不知道有没有实际用过的DX?
双运放
lme49720:http://www.national.com/pf/LM/LME49720.html
■ Power Supply Voltage Range ±2.5V to ±17V
■ THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz)
RL = 2kΩ 0.00003% (typ)
RL = 600Ω 0.00003% (typ)
■ Input Noise Density 2.7nV/ √ ^Hz (typ)
■ Slew Rate ±20V/μs (typ)
■ Gain Bandwidth Product 55MHz (typ)
■ Open Loop Gain (RL = 600Ω) 140dB (typ)
■ Input Bias Current 10nA (typ)
■ Input Offset Voltage 0.1mV (typ)
■ DC Gain Linearity Error 0.000009%
lme49860:http://www.national.com/pf/LM/LME49860.html
■ Power Supply Voltage Range ±2.5V to ±22V
■ THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz)
RL = 2kΩ 0.00003% (typ)
RL = 600Ω 0.00003% (typ)
■ Input Noise Density 2.7nV/ √ ^Hz (typ)
■ Slew Rate ±20V/μs (typ)
■ Gain Bandwidth Product 55MHz (typ)
■ Open Loop Gain (RL = 600Ω) 140dB (typ)
■ Input Bias Current 10nA (typ)
■ Input Offset Voltage 0.1mV (typ)
■ DC Gain Linearity Error 0.000009%
功率驱动:lme49810 :http://www.national.com/pf/LM/LME49810.html
■ Wide operating voltage range ±20V to ±100V
■ Slew Rate 50V/μs (typ)
■ Output Drive Current 60mA (typ)
■ PSRR (f = DC) 110dB (typ)
■ THD+N (f = 1kHz) 0.0007 (typ) |
|