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LABD 数据表(PDF) 5 Page - Linear Technology |
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LABD 数据表(HTML) 5 Page - Linear Technology |
5 / 20 page 5 LT1395/LT1396/LT1397 139567fc SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS ELECTRICAL C C HARA TERISTICS The ● denotes specifications which apply over the specified operating temperature range, otherwise specifications are at TA = 25°C. For each amplifier: VCM = 0V, VS = ±5V, pulse tested, unless otherwise noted. (Note 5) Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: This parameter is guaranteed to meet specified performance through design and characterization. It has not been tested. Note 3: A heat sink may be required depending on the power supply voltage and how many amplifiers have their outputs short circuited. The θJA specified for the DD package is with minimal PCB heat spreading metal. Using expanded metal area on all layers of a board reduces this value. Note 4: The LT1395C/LT1396C/LT1397C are guaranteed functional over the operating temperature range of – 40 °C to 85°C. The LT1397H is guaranteed functional over the operating temperature range of –40 °C to 125 °C. Note 5: The LT1395C/LT1396C/LT1397C are guaranteed to meet specified performance from 0 °C to 70°C. The LT1395C/LT1396C/LT1397C are designed, characterized and expected to meet specified performance from –40 °C and 85°C but are not tested or QA sampled at these temperatures. The LT1397H is guaranteed to meet specified performance from –40 °C to 125 °C. For guaranteed I-grade parts, consult the factory. Note 6: TJ is calculated from the ambient temperature TA and the power dissipation PD according to the following formula: LT1395CS5: TJ = TA + (PD • 250°C/W) LT1396CS6: TJ = TA + (PD • 230°C/W) LT1395CS8: TJ = TA + (PD • 150°C/W) LT1396CS8: TJ = TA + (PD • 150°C/W) LT1396CMS8: TJ = TA + (PD • 250°C/W) LT1396CDD: TJ = TA + (PD • 160°C/W) LT1397CS14: TJ = TA + (PD • 100°C/W) LT1397CGN16: TJ = TA + (PD • 135°C/W) LT1397CDE: TJ = TA + (PD • 43°C/W) LT1397HDE: TJ = TA + (PD • 43°C/W) Note 7: Slew rate is measured at ±2V on a ±3V output signal. Note 8: Differential gain and phase are measured using a Tektronix TSG120YC/NTSC signal generator and a Tektronix 1780R Video Measurement Set. The resolution of this equipment is 0.1% and 0.1 °. Ten identical amplifier stages were cascaded giving an effective resolution of 0.01% and 0.01 °. Note 9: For LT1395CS6, turn-on delay time (tON) is measured from control input to appearance of 1V(50%) at the output, for VIN = 1V and AV = 2. Likewise, turn-off delay time (tOFF) is measured from control input to appearance of 1V(50%) on the output for VIN = 1V and AV = 2. This specification is guaranteed by design and characterization. tON Turn-On Delay Time (Note 9) RF = RG = 255Ω, RL = 100Ω, (LT1395CS6 only) 30 75 ns tOFF Turn-Off Delay Time (Note 9) RF = RG = 255Ω, RL = 100Ω, (LT1395CS6 only) 40 100 ns – 3dB BW –3dB Bandwidth AV = 1, RF = 374Ω, RL = 100Ω 400 MHz AV = 2, RF = RG = 255Ω, RL = 100Ω 350 MHz 0.1dB BW 0.1dB Bandwidth AV = 1, RF = 374Ω, RL = 100Ω 100 MHz AV = 2, RF = RG = 255Ω, RL = 100Ω 100 MHz tr, tf Small-Signal Rise and Fall Time RF = RG = 255Ω, RL = 100Ω, VOUT = 1VP-P 1.3 ns tPD Propagation Delay RF = RG = 255Ω, RL = 100Ω, VOUT = 1VP-P 2.5 ns os Small-Signal Overshoot RF = RG = 255Ω, RL = 100Ω, VOUT = 1VP-P 10 % tS Settling Time 0.1%, AV = – 1, RF = RG = 280Ω, RL = 150Ω 25 ns dG Differential Gain (Note 8) RF = RG = 255Ω, RL = 150Ω 0.02 % dP Differential Phase (Note 8) RF = RG = 255Ω, RL = 150Ω 0.04 DEG |
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