Datasheet LT5554 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | Broadband Ultra Low Distortion 7-Bit Digitally Controlled VGA |
| Pages / Page | 32 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. (ROUT = 50Ω) TA = 25°C. VCC = 5V, … |
| File Format / Size | PDF / 619 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. (ROUT = 50Ω) TA = 25°C. VCC = 5V, VCCO = 5V,
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LT5554
TYPICAL PERFORMANCE CHARACTERISTICS (ROUT = 50Ω) TA = 25°C. VCC = 5V, VCCO = 5V, ENB = 3V, MODE = 5V, STROBE = 3V, VIH = 2.2V, VIL = 0.6V (Test circuit shown in Figure 16) POUT = 4dBm/tone (2VP-P into 50Ω), Δf = 200kHz, unless otherwise noted. Two-Tone IMD3 and OIP3 vs Two-Tone OIP3 vs Tone Power at Two-Tone OIP3 vs Tone Power at Attenuation at 200MHz Max-Gain Min-Gain
–70 48 47 47 IMD3 –74 46 OIP3 (dBm) 44 44 50MHz 70MHz –78 44 100MHz IMD3 (dBc) OIP3 (dBm) OIP3 (dBm) 140MHz OIP3 41 41 200MHz 50MHz –82 42 70MHz 100MHz 140MHz 200MHz –86 40 38 38 0 –4 –8 –12 –16 0 3 6 9 12 0 3 6 9 12 ATTENUATION (dB) OUTPUT TONE POWER (dBm) OUTPUT TONE POWER (dBm) 5554 G23 5554 G24 5554 G25
Two-Tone OIP3 vs VCCO, for GMAX Two-Tone OIP3 vs ROUT, for GMAX Two-Tone OIP3 vs VCCO, for GMAX –3.875dB
50 48 48 45 45 48 42 42 OIP3 (dBm) OIP3 (dBm) OIP3 (dBm) 46 39 25MHz 25MHz 39 25MHz 70MHz 70MHz 70MHz 140MHz 140MHz 140MHz 200MHz 200MHz 200MHz 44 36 36 50 75 100 2 3 4 5 6 2 3 4 5 6 R OUTPUT COMMON MODE VOLTAGE (V) OUTPUT COMMON MODE VOLTAGE (V) OUT (Ω) 5554 G28 5554 G52 5554 G30
Harmonic Distortion vs Attenuation, 50MHz, OIP3 vs Frequency for GMAX and POUT = 10dBm, Figure 17 GMIN, POUT = 10dBm
–70 50 –75 –80 45 TION (dBc) HD3 –85 –90 G OIP3 (dBm) MIN 40 –95 GMAX HARMONIC DISTOR –100 HD5 –105 35 0 –4 –8 –12 –16 50 100 150 200 ATTENUATION (dB) FREQUENCY (MHz) 5554 G27 5554 G29 5554f 10
TYPICAL PERFORMANCE CHARACTERISTICS (ROUT = 50Ω) TA = 25°C. VCC = 5V, VCCO = 5V, ENB = 3V, MODE = 5V, STROBE = 3V, VIH = 2.2V, VIL = 0.6V (Test circuit shown in Figure 16) POUT = 4dBm/tone (2VP-P into 50Ω), Δf = 200kHz, unless otherwise noted. Two-Tone IMD3 and OIP3 vs Two-Tone OIP3 vs Tone Power at Two-Tone OIP3 vs Tone Power at Attenuation at 200MHz Max-Gain Min-Gain
–70 48 47 47 IMD3 –74 46 OIP3 (dBm) 44 44 50MHz 70MHz –78 44 100MHz IMD3 (dBc) OIP3 (dBm) OIP3 (dBm) 140MHz OIP3 41 41 200MHz 50MHz –82 42 70MHz 100MHz 140MHz 200MHz –86 40 38 38 0 –4 –8 –12 –16 0 3 6 9 12 0 3 6 9 12 ATTENUATION (dB) OUTPUT TONE POWER (dBm) OUTPUT TONE POWER (dBm) 5554 G23 5554 G24 5554 G25
Two-Tone OIP3 vs VCCO, for GMAX Two-Tone OIP3 vs ROUT, for GMAX Two-Tone OIP3 vs VCCO, for GMAX –3.875dB
50 48 48 45 45 48 42 42 OIP3 (dBm) OIP3 (dBm) OIP3 (dBm) 46 39 25MHz 25MHz 39 25MHz 70MHz 70MHz 70MHz 140MHz 140MHz 140MHz 200MHz 200MHz 200MHz 44 36 36 50 75 100 2 3 4 5 6 2 3 4 5 6 R OUTPUT COMMON MODE VOLTAGE (V) OUTPUT COMMON MODE VOLTAGE (V) OUT (Ω) 5554 G28 5554 G52 5554 G30
Harmonic Distortion vs Attenuation, 50MHz, OIP3 vs Frequency for GMAX and POUT = 10dBm, Figure 17 GMIN, POUT = 10dBm
–70 50 –75 –80 45 TION (dBc) HD3 –85 –90 G OIP3 (dBm) MIN 40 –95 GMAX HARMONIC DISTOR –100 HD5 –105 35 0 –4 –8 –12 –16 50 100 150 200 ATTENUATION (dB) FREQUENCY (MHz) 5554 G27 5554 G29 5554f 10
