Datasheet LT1795 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | Dual 500mA/50MHz Current Feedback Line Driver Amplifier |
| Pages / Page | 12 / 6 — TYPICAL PERFOR A CE CHARACTERISTICS. Third Harmonic Distortion vs. Second … |
| File Format / Size | PDF / 158 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. Third Harmonic Distortion vs. Second Harmonic Distortion vs. Frequency. –3dB Bandwidth vs
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LT1795
W U TYPICAL PERFOR A CE CHARACTERISTICS Third Harmonic Distortion vs Second Harmonic Distortion vs Third Harmonic Distortion vs Frequency Frequency Frequency
–40 –40 –40 AV = 10 DIFFERENTIAL A A V = 2 DIFFERENTIAL V = 2 DIFFERENTIAL V V –50 OUT = 4VP-P I VOUT = 4VP-P OUT = 4VP-P V Q = 5mA –50 –50 S = ±12V V V S = ±5V S = ±5V R I LOAD = 50Ω Q = 5mA R RLOAD = 50Ω –60 LOAD = 50Ω IQ PER AMPLIFIER I –60 IQ PER AMPLIFIER –60 Q PER AMPLIFIER IQ = 10mA –70 IQ = 10mA I –70 –70 Q = 15mA IQ = 5mA –80 IQ = 10mA I DISTORTION (dBc) –80 DISTORTION (dBc) –80 DISTORTION (dBc) Q = 15mA –90 IQ = 20mA IQ = 15mA –90 IQ = 20mA –90 –100 IQ = 20mA –110 –100 –100 10k 100k 1M 10k 100k 1M 10k 100k 1M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) LT1795 G16 LT1795 G17 LT1795 G18
Second Harmonic Distortion vs Third Harmonic Distortion vs Frequency Frequency
–40 –40 A A V = 10 DIFFERENTIAL V = 10 DIFFERENTIAL V V OUT = 4VP-P OUT = 4VP-P IQ = 5mA –50 V –50 V S = ±5V S = ±5V R R LOAD = 50Ω LOAD = 50Ω I IQ PER AMPLIFIER –60 Q PER AMPLIFIER –60 IQ = 10mA IQ = 20mA –70 I –70 Q = 15mA IQ = 10mA IQ = 15mA –80 DISTORTION (dBc) –80 DISTORTION (dBc) –90 IQ = 5mA –90 IQ = 20mA –100 –100 10k 100k 1M 10k 100k 1M FREQUENCY (Hz) FREQUENCY (Hz) LT1795 G19 LT1795 G20
–3dB Bandwidth vs Slew Rate vs Supply Current Supply Current
1200 50 1000 45 RISING µs) 800 40 FALLING 600 35 SLEW RATE (V/ 400 V V S = ±15V S = ±15V T T –3dB BANDWIDTH (MHz) A =25°C A =25°C 30 AV = 4 200 AV = 4 R R LOAD = 25Ω LOAD = 25Ω R R F = 1k F = 1k 0 25 7.5 10 15 20 25 30 7.5 10 15 20 25 30 SUPPLY CURRENT PER AMPLIFIER (mA) SUPPLY CURRENT PER AMPLIFIER (mA) 1795 • G21 1795 • G22 1795fa 6
W U TYPICAL PERFOR A CE CHARACTERISTICS Third Harmonic Distortion vs Second Harmonic Distortion vs Third Harmonic Distortion vs Frequency Frequency Frequency
–40 –40 –40 AV = 10 DIFFERENTIAL A A V = 2 DIFFERENTIAL V = 2 DIFFERENTIAL V V –50 OUT = 4VP-P I VOUT = 4VP-P OUT = 4VP-P V Q = 5mA –50 –50 S = ±12V V V S = ±5V S = ±5V R I LOAD = 50Ω Q = 5mA R RLOAD = 50Ω –60 LOAD = 50Ω IQ PER AMPLIFIER I –60 IQ PER AMPLIFIER –60 Q PER AMPLIFIER IQ = 10mA –70 IQ = 10mA I –70 –70 Q = 15mA IQ = 5mA –80 IQ = 10mA I DISTORTION (dBc) –80 DISTORTION (dBc) –80 DISTORTION (dBc) Q = 15mA –90 IQ = 20mA IQ = 15mA –90 IQ = 20mA –90 –100 IQ = 20mA –110 –100 –100 10k 100k 1M 10k 100k 1M 10k 100k 1M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) LT1795 G16 LT1795 G17 LT1795 G18
Second Harmonic Distortion vs Third Harmonic Distortion vs Frequency Frequency
–40 –40 A A V = 10 DIFFERENTIAL V = 10 DIFFERENTIAL V V OUT = 4VP-P OUT = 4VP-P IQ = 5mA –50 V –50 V S = ±5V S = ±5V R R LOAD = 50Ω LOAD = 50Ω I IQ PER AMPLIFIER –60 Q PER AMPLIFIER –60 IQ = 10mA IQ = 20mA –70 I –70 Q = 15mA IQ = 10mA IQ = 15mA –80 DISTORTION (dBc) –80 DISTORTION (dBc) –90 IQ = 5mA –90 IQ = 20mA –100 –100 10k 100k 1M 10k 100k 1M FREQUENCY (Hz) FREQUENCY (Hz) LT1795 G19 LT1795 G20
–3dB Bandwidth vs Slew Rate vs Supply Current Supply Current
1200 50 1000 45 RISING µs) 800 40 FALLING 600 35 SLEW RATE (V/ 400 V V S = ±15V S = ±15V T T –3dB BANDWIDTH (MHz) A =25°C A =25°C 30 AV = 4 200 AV = 4 R R LOAD = 25Ω LOAD = 25Ω R R F = 1k F = 1k 0 25 7.5 10 15 20 25 30 7.5 10 15 20 25 30 SUPPLY CURRENT PER AMPLIFIER (mA) SUPPLY CURRENT PER AMPLIFIER (mA) 1795 • G21 1795 • G22 1795fa 6
