LOG114AIRGVT
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Описание
LOG114 Precision Logarithmic Amplifier
Texas Instruments LOG114 Precision Logarithmic Amplifier is designed for measuring low-level and wide dynamic range currents in communications, lasers, medical, and industrial systems. TI LOG114 Logarithmic Amplifier computes the logarithm or log-ratio of an input current or voltage relative to a reference current or voltage (logarithmic transimpedance amplifier). High precision is ensured over a wide dynamic range of input signals on either bipolar (±5V) or single (+5V) supply. Special temperature drift compensation circuitry is included on-chip. In log-ratio applications, the signal current may be from a high impedance source such as a photodiode or resistor in series with a low impedance voltage source. The reference current is provided by a resistor in series with a precision internal voltage reference, photo diode, or active current source. LOG114EVM is a ready-to-use platform for evaluating the performance of the LOG114 in various configurations.
Texas Instruments LOG114 Precision Logarithmic Amplifier is designed for measuring low-level and wide dynamic range currents in communications, lasers, medical, and industrial systems. TI LOG114 Logarithmic Amplifier computes the logarithm or log-ratio of an input current or voltage relative to a reference current or voltage (logarithmic transimpedance amplifier). High precision is ensured over a wide dynamic range of input signals on either bipolar (±5V) or single (+5V) supply. Special temperature drift compensation circuitry is included on-chip. In log-ratio applications, the signal current may be from a high impedance source such as a photodiode or resistor in series with a low impedance voltage source. The reference current is provided by a resistor in series with a precision internal voltage reference, photo diode, or active current source. LOG114EVM is a ready-to-use platform for evaluating the performance of the LOG114 in various configurations.
Технические параметры
| Время Реакции | 1.5мкс |
| Диапазон Напряжения Питания | ±2.4В до±5.5В |
| Динамический Диапазон | 8 декад |
| Количество Выводов | 16вывод(-ов) |
| Количество Усилителей | 5 Усилителей |
| Коэффициент Масштабирования | 375мВ/декада |
| Максимальная Рабочая Температура | 70°C |
| Минимальная Рабочая Температура | 0°C |
| Напряжение Входного Смещения | 4мВ |
| Стиль Корпуса Усилителя | VQFN |
| Уровень Чувствительности к Влажности (MSL) | MSL 2-1 год |
| Maximum Input Offset Voltage | 4V |
| Maximum Operating Temperature | +70 °C |
| Minimum Operating Temperature | 0 °C |
| Mounting Type | Surface Mount |
| Output Type | Differential |
| Package Type | VQFN |
| Pin Count | 16 |
| Power Supply Type | Dual, Single |
| Typical Dual Supply Voltage | ±5V |
| Typical Single Supply Voltage | 5 V |
| Width | 4.15mm |
| 3 dB Bandwidth: | 5 MHz |
| Amplifier Type: | Logarithmic Amplifier |
| Bandwidth: | 5 MHz |
| Brand: | Texas Instruments |
| Development Kit: | LOG114EVM |
| Factory Pack Quantity: Factory Pack Quantity: | 250 |
| GBP - Gain Bandwidth Product: | 50 MHz |
| Ib - Input Bias Current: | 5 pA |
| Input Voltage Range - Max: | 5.5 V |
| Manufacturer: | Texas Instruments |
| Maximum Operating Temperature: | +70 C |
| Minimum Operating Temperature: | 0 C |
| Moisture Sensitive: | Yes |
| Mounting Style: | SMD/SMT |
| Number of Channels: | 3 Channel |
| Operating Supply Current: | 15 mA |
| Operating Supply Voltage: | 4.5 V to 5.5 V |
| Output Current per Channel: | 10 mA |
| Package / Case: | VQFN-16 |
| Product Category: | Logarithmic Amplifiers |
| Product Type: | Logarithmic Amplifiers |
| Product: | Logarithmic Amplifiers |
| Series: | LOG114 |
| Subcategory: | Amplifier ICs |
| Supply Voltage - Max: | 5.5 V |
| Supply Voltage - Min: | 4.5 V |
| Type: | Logarithmic Amplifier |
| Vos - Input Offset Voltage: | 4 mV |
Техническая документация
Datasheet
pdf, 1680 КБ
