TL441CNSR 属性参数
- 标准包装：1
- 类别：集成电路 (IC)
- 家庭：Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
- 系列：-
- 放大器类型：对数
- 电路数：2
- 输出类型：差分
- 转换速率：-
- 增益带宽积：-
- -3db带宽：-
- 电流 - 输入偏压：-
- 电压 - 输入偏移：-
- 电流 - 电源：18.5mA
- 电流 - 输出 / 通道：30mA
- 电压 - 电源，单路/双路(±)：-
- 工作温度：0°C ~ 70°C
- 安装类型：表面贴装
- 封装/外壳：16-SOIC（0.209"，5.30mm 宽）
- 供应商设备封装：16-SO
- 包装：®
- 其它名称：296-28808-6
产品特性
- Excellent Dynamic Range
- Wide Bandwidth
- Built-In Temperature Compensation
- Log Linearity (30-dB Sections)...1 dB Typ
- Wide Input Voltage Range
产品概述
This amplifier circuit contains four 30-dB logarithmic stages. Gain in each stage is such that the output of each stage is proportional to the logarithm of the input voltage over the 30-dB input voltage range. Each half of the circuit contains two of these 30-dB stages summed together in one
differential output that is proportional to the sum of the logarithms of the input voltages of the two stages. The four stages may be interconnected to obtain a theoretical input voltage range of 120-dB. In practice, this permits the input voltage range typically to be greater than 80-dB with log linearity of ± 0.5-dB (see application data). Bandwidth is from dc to 40 MHz.
This circuit is useful in data compression and analog compensation. This logarithmic amplifier is used in log IF circuitry as well as video and log amplifiers.
The TL441 is characterized for operation over 0°C to 70°C.