LT1311
过期Quad 12MHz, 145ns Settling Precision Current-to-Voltage Converter for Optical Disk Drives
概述
- OBSOLETE PRODUCT Data Sheet For Reference Only
- Four Complete Current-to-Voltage Converters
- 14-Lead Small Outline Package
- Accurate Gain: 20mV/µA, ±4%
- Low Offset Error: 250nA Max
- Low Offset Drift: 2.5nA/°C Max
- Fast Settling: 145ns to 0.1% for a 2V Step
- Wide Bandwidth: 12MHz
- Low Noise: 5pA√Hz
- Low Quiescent Current: 11mA Max
- Wide Supply Range: ±2V to ±18V or 4V to 36V
OBSOLETE PRODUCT Data Sheet For Reference Only
The LT1311 is a quad current-to-voltage converter designed for the demanding requirements of photo diode amplification. A new approach to current-to-voltage conversion provides excellent DC and AC performance without external DC trims or AC frequency compensation. The LT1311 is ideal for converting multiple photo diode currents to voltages and for general purpose matched inverting amplifier applications.
The LT1311 contains four current feedback amplifiers, each with an internal 20k feedback resistor. A supply bypass capacitor is the only external component required to convert four signal currents to voltages. Unlike voltage feedback-based current-to-voltage converters that operate with only a specified value of input capacitance, the current feedback LT1311 settles cleanly with any input capacitance up to 50pF. Only in the most demanding applications will the LT1311 need to be mounted close to the photo diodes.
Applications
- Optical Disk Drive
- Color Scanners
- Matched Inverting Amplifiers
参考资料
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