Datasheet LT1227 (Analog Devices) - 3

制造商Analog Devices
描述140MHz Video Current Feedback Amplifier
页数 / 页12 / 3 — ELECTRICAL CH. ARA TERISTICS The. denotes the specifications which apply …
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ELECTRICAL CH. ARA TERISTICS The. denotes the specifications which apply over the full operating

ELECTRICAL CH ARA TERISTICS The denotes the specifications which apply over the full operating

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LT1227
ELECTRICAL CH C ARA TERISTICS The

denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VCM = 0,
±
5V

VS
≤ ±
15V, pulse tested, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Inverting Input Current VS = ±15V, VCM = ±13V, TA = 25°C 3.5 10 µA/V Common Mode Rejection VS = ±15V, VCM = ±12V ● 10 µA/V VS = ±5V, VCM = ±3V, TA = 25°C 4.5 10 µA/V VS = ±5V, VCM = ±2V ● 10 µA/V PSRR Power Supply Rejection Ratio VS = ±2V to ±15V, TA = 25°C 60 80 dB VS = ±3V to ±15V ● 60 dB Noninverting Input Current VS = ±2V to ±15V, TA = 25°C 2 50 nA/V Power Supply Rejection VS = ±3V to ±15V ● 50 nA/V Inverting Input Current VS = ±2V to ±15V, TA = 25°C 0.25 5 µA/V Power Supply Rejection VS = ±3V to ±15V ● 5 µA/V AV Large-Signal Voltage Gain VS = ±15V, VOUT = ±10V, RL = 1k ● 55 72 dB VS = ±5V, VOUT = ±2V, RL = 150Ω ● 55 72 dB ROL Transresistance, ∆VOUT/∆IIN– VS = ±15V, VOUT = ±10V, RL = 1k ● 100 270 kΩ VS = ±5V, VOUT = ±2V, RL = 150Ω ● 100 240 kΩ VOUT Maximum Output Voltage Swing VS = ±15V, RL = 400Ω, TA = 25°C ±12 ±13.5 V ● ±10 V VS = ±5V, RL = 150Ω, TA = 25°C ±3 ±3.7 V ● ±2.5 V IOUT Maximum Output Current RL = 0Ω, TA = 25°C 30 60 mA IS Supply Current (Note 3) VS = ±15V, VOUT = 0V, TA = 25°C 10 15.0 mA ● 17.5 mA Positive Supply Current, Shutdown VS = ±15V, Pin 8 Voltage = 0V, TA = 25°C 120 300 µA ● 500 µA I8 Shutdown Pin Current (Note 4) VS = ±15V ● 300 µA Output Leakage Current, Shutdown VS = ±15V, Pin 8 Voltage = 0V, TA = 25°C 10 µA SR Slew Rate (Notes 5 and 6) TA = 25°C 500 1100 V/µs tr, tf Rise and Fall Time, VOUT = 1VP-P VS = ±5V, RF = 1k, RG = 1k, RL = 150Ω 8.7 ns BW Small-Signal Bandwidth VS = ±15V, RF = 1k, RG = 1k, RL = 150Ω 140 MHz tr, tf Small-Signal Rise and Fall Time VS = ±15V, RF = 1k, RG = 1k, RL = 100Ω 3.3 ns Propagation Delay VS = ±15V, RF = 1k, RG = 1k, RL = 100Ω 3.4 ns Small-Signal Overshoot VS = ±15V, RF = 1k, RG = 1k, RL = 100Ω 5 % tS Settling Time 0.1%, VOUT = 10V, RF = 1k, RG = 1k, RL = 1k 50 ns Differential Gain (Note 7) VS = ±15V, RF = 1k, RG = 1k, RL = 150Ω 0.014 % VS = ±15V, RF = 1k, RG = 1k, RL = 1k 0.010 % Differential Phase (Note 7) VS = ±15V, RF = 1k, RG = 1k, RL = 150Ω 0.010 DEG VS = ±15V, RF = 1k, RG = 1k, RL = 1k 0.013 DEG
Note 1:
Absolute Maximum Ratings are those values beyond which the life
Note 4:
Ramp Pin 8 voltage down from 15V while measuring IS. When IS of a device may be impaired. drops to less than 0.5mA, measure Pin 8 current.
Note 2:
A heat sink may be required depending on the power supply
Note 5:
Slew rate is measured at ±5V on a ±10V output signal while voltage. operating on ±15V supplies with RF = 2k, RG = 220Ω and RL = 400Ω.
Note 3:
The supply current of the LT1227 has a negative temperature
Note 6:
AC parameters are 100% tested on the ceramic and plastic DIP coefficient. For more information, see Typical Performance Characteristics package parts (J and N suffix) and are sample tested on every lot of the SO curves. packaged parts (S suffix).
Note 7:
NTSC composite video with an output level of 2V. 3