Datasheet LT1969 (Analog Devices) - 7

LT1969
W U TYPICAL PERFOR A CE CHARACTERISTICS 13k resistor from CTRL1 to V – and a 49.9k resistor from CTRL2 to V – Common Mode Rejection Ratio Harmonic Distortion vs vs Frequency Amplifier Crosstalk vs Frequency Frequency, AV = 10, VS =
±
6V
100 0 0 VS = ±6V VS = ±6V TA = 25°C 90 T –10 A = 25°C AV = 10 –10 AV = 10 R 2V 80 –20 L = 100Ω –20 P-P OUT INPUT = –20dBm 70 –30 –30 60 –40 –40 2nd 50 –50 –50 R 3rd B → A L = 25Ω 40 –60 –60 30 –70 DISTORTION (dBc) –70 20 –80 –80 2nd A → B OUTPUT TO INPUT CROSSTALK (dB) –90 3rd COMMON MODE REJECTION RATIO (dB) 10 –90 RL = 100Ω 0 –100 –100 100k 1M 10M 100M 1M 10M 100M 1G 100k 1M 10M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 1969 G15 1969 G16 1969 G17
Harmonic Distortion vs Harmonic Distortion Harmonic Distortion Frequency, AV = 10, VS =
±
2.5V vs Resistive Load vs Resistive Load
0 0 0 T T A = 25°C A = 25°C TA = 25°C –10 –10 A V –10 V = 10 S = ±6V VS = ±2.5V 2V A A –20 P-P OUT –20 V = 10 –20 V = 10 2VP-P OUT 2VP-P OUT –30 –30 f = 1MHz –30 f = 1MHz –40 –40 –40 –50 –50 –50 RL = 25Ω –60 2nd –60 –60 2nd 2nd 2nd DISTORTION (dBc) DISTORTION (dBc) –70 3rd –70 DISTORTION (dBc) –70 –80 3rd –80 –80 3rd 3rd –90 –90 –90 RL = 100Ω –100 –100 –100 100k 1M 10M 1 10 100 1k 1 10 100 1k FREQUENCY (Hz) LOAD RESISTANCE (Ω) LOAD RESISTANCE (Ω) 1969 G18 1969 G19 1969 G20
Harmonic Distortion vs Output Harmonic Distortion vs Output Harmonic Distortion vs Output Swing, AV = 10, VS =
±
6V Swing, AV = 10, VS =
±
2.5V Swing, AV = 2, VS =
±
6V
0 0 0 TA = 25°C TA = 25°C TA = 25°C –10 f = 1MHz –10 f = 1MHz –10 RF = RG = 1k R –20 –20 –20 C = 124Ω CC = 100pF –30 –30 –30 f = 1MHz SEE FIGURE 3 –40 –40 –40 –50 RL = 25Ω –50 RL = 25Ω –50 –60 2nd –60 2nd –60 RL = 25Ω RL = 100Ω DISTORTION (dBc) –70 3rd DISTORTION (dBc) –70 3rd DISTORTION (dBc) –70 2nd –80 2nd –80 2nd 2nd –80 3rd –90 3rd R –90 –90 L = 100Ω 3rd RL = 100Ω 3rd –100 –100 –100 0 2 4 6 8 10 12 0 1 2 3 4 5 0 2 4 6 8 10 12 OUTPUT VOLTAGE (VP-P) OUTPUT VOLTAGE (VP-P) OUTPUT VOLTAGE (VP-P) 1969 G21 1969 G22 1969 G23 7