Datasheet LT1993-2 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | 800MHz Low Distortion, Low Noise Differential Amplifier ADC Driver (Av = 2V/V) |
| Seiten / Seite | 22 / 5 — TA = 25°C, VCCA = VCCB = VCCC = 5V, VEEA = VEEB = VEEC = 0V, |
| Revision | B |
| Dateiformat / Größe | PDF / 2.4 Mb |
| Dokumentensprache | Englisch |
TA = 25°C, VCCA = VCCB = VCCC = 5V, VEEA = VEEB = VEEC = 0V,
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Textversion des Dokuments
LT1993-2 AC ELECTRICAL CHARACTERISTICS
TA = 25°C, VCCA = VCCB = VCCC = 5V, VEEA = VEEB = VEEC = 0V, ENABLE = 0.8V, +INA shorted to +INB (+IN), –INA shorted to –INB (–IN), VOCM = 2.2V, Input common mode voltage = 2.2V, no RLOAD unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS 50MHz Signal
Second/Third Harmonic Distortion 2VP-P Differential (+OUTFILTERED, –OUTFILTERED) –77 dBc 2VP-P Differential (+OUT, –OUT) –77 dBc 2VP-P Differential (+OUT, –OUT), RL = 100 –74 dBc 3.2VP-P Differential (+OUTFILTERED, –OUTFILTERED) –68 dBc 3.2VP-P Differential (+OUT, –OUT) –65 dBc 3.2VP-P Differential (+OUT, –OUT), RL = 100 –65 dBc Third-Order IMD 2VP-P Differential Composite (+OUTFILTERED, –84 dBc –OUTFILTERED), f1 = 49.5MHz, f2 = 50.5MHz 2VP-P Differential Composite (+OUT, –OUT), –88 dBc RL = 100 , f1 = 49.5MHz, f2 = 50.5MHz 3.2VP-P Differential Composite (+OUTFILTERED, –75 dBc –OUTFILTERED), f1 = 49.5MHz, f2 = 50.5MHz OIP350M Output Third-Order Intercept Differential (+OUTFILTERED, –OUTFILTERED), 45 dBm f1 = 49.5MHz, f2 = 50.5MHz NF Noise Figure Measured Using DC800A Demo Board 11.8 dB en50M Input Referred Noise Voltage Density 3.65 nV/√Hz 1dB Compression Point RL = 100 19.7 dBm
70MHz Signal
Second/Third Harmonic Distortion 2VP-P Differential (+OUTFILTERED, –OUTFILTERED) –70 dBc 2VP-P Differential (+OUT, –OUT) –61 dBc 2VP-P Differential (+OUT, –OUT), RL = 100 –61 dBc Third-Order IMD 2VP-P Differential Composite (+OUTFILTERED, –70 dBc –OUTFILTERED), f1 = 69.5MHz, f2 = 70.5MHz 2VP-P Differential Composite (+OUT, –OUT), –72 dBc RL = 100 , f1 = 69.5MHz, f2 = 70.5MHz OIP370M Output Third-Order Intercept Differential (+OUTFILTERED, –OUTFILTERED), 38 dBm f1 = 69.5MHz, f2 = 70.5MHz NF Noise Figure Measured Using DC800A Demo Board 12.3 dB en70M Input Referred Noise Voltage Density 3.8 nV/√Hz 1dB Compression Point RL = 100 18.5 dBm
100MHz Signal
Second/Third Harmonic Distortion 2VP-P Differential (+OUTFILTERED, –OUTFILTERED) –56 dBc 2VP-P Differential (+OUT, –OUT) –54 dBc 2VP-P Differential (+OUT, –OUT), RL = 100 –51 dBc Third-Order IMD 2VP-P Differential Composite (+OUTFILTERED, –58 dBc –OUTFILTERED), f1 = 99.5MHz, f2 = 100.5MHz 2VP-P Differential Composite (+OUT, –OUT), –59 dBc RL = 100 , f1 = 99.5MHz, f2 = 100.5MHz OIP3100M Output Third-Order Intercept Differential (+OUTFILTERED, –OUTFILTERED), 32 dBm f1 = 99.5MHz, f2 = 100.5MHz NF Noise Figure Measured Using DC800A Demo Board 12.8 dB Rev B For more information www.analog.com 5
TA = 25°C, VCCA = VCCB = VCCC = 5V, VEEA = VEEB = VEEC = 0V, ENABLE = 0.8V, +INA shorted to +INB (+IN), –INA shorted to –INB (–IN), VOCM = 2.2V, Input common mode voltage = 2.2V, no RLOAD unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS 50MHz Signal
Second/Third Harmonic Distortion 2VP-P Differential (+OUTFILTERED, –OUTFILTERED) –77 dBc 2VP-P Differential (+OUT, –OUT) –77 dBc 2VP-P Differential (+OUT, –OUT), RL = 100 –74 dBc 3.2VP-P Differential (+OUTFILTERED, –OUTFILTERED) –68 dBc 3.2VP-P Differential (+OUT, –OUT) –65 dBc 3.2VP-P Differential (+OUT, –OUT), RL = 100 –65 dBc Third-Order IMD 2VP-P Differential Composite (+OUTFILTERED, –84 dBc –OUTFILTERED), f1 = 49.5MHz, f2 = 50.5MHz 2VP-P Differential Composite (+OUT, –OUT), –88 dBc RL = 100 , f1 = 49.5MHz, f2 = 50.5MHz 3.2VP-P Differential Composite (+OUTFILTERED, –75 dBc –OUTFILTERED), f1 = 49.5MHz, f2 = 50.5MHz OIP350M Output Third-Order Intercept Differential (+OUTFILTERED, –OUTFILTERED), 45 dBm f1 = 49.5MHz, f2 = 50.5MHz NF Noise Figure Measured Using DC800A Demo Board 11.8 dB en50M Input Referred Noise Voltage Density 3.65 nV/√Hz 1dB Compression Point RL = 100 19.7 dBm
70MHz Signal
Second/Third Harmonic Distortion 2VP-P Differential (+OUTFILTERED, –OUTFILTERED) –70 dBc 2VP-P Differential (+OUT, –OUT) –61 dBc 2VP-P Differential (+OUT, –OUT), RL = 100 –61 dBc Third-Order IMD 2VP-P Differential Composite (+OUTFILTERED, –70 dBc –OUTFILTERED), f1 = 69.5MHz, f2 = 70.5MHz 2VP-P Differential Composite (+OUT, –OUT), –72 dBc RL = 100 , f1 = 69.5MHz, f2 = 70.5MHz OIP370M Output Third-Order Intercept Differential (+OUTFILTERED, –OUTFILTERED), 38 dBm f1 = 69.5MHz, f2 = 70.5MHz NF Noise Figure Measured Using DC800A Demo Board 12.3 dB en70M Input Referred Noise Voltage Density 3.8 nV/√Hz 1dB Compression Point RL = 100 18.5 dBm
100MHz Signal
Second/Third Harmonic Distortion 2VP-P Differential (+OUTFILTERED, –OUTFILTERED) –56 dBc 2VP-P Differential (+OUT, –OUT) –54 dBc 2VP-P Differential (+OUT, –OUT), RL = 100 –51 dBc Third-Order IMD 2VP-P Differential Composite (+OUTFILTERED, –58 dBc –OUTFILTERED), f1 = 99.5MHz, f2 = 100.5MHz 2VP-P Differential Composite (+OUT, –OUT), –59 dBc RL = 100 , f1 = 99.5MHz, f2 = 100.5MHz OIP3100M Output Third-Order Intercept Differential (+OUTFILTERED, –OUTFILTERED), 32 dBm f1 = 99.5MHz, f2 = 100.5MHz NF Noise Figure Measured Using DC800A Demo Board 12.8 dB Rev B For more information www.analog.com 5