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LT1993-4_15 Datasheet, PDF (4/16 Pages) Linear Technology – 900MHz Low Distortion, Low Noise Differential Amplifier/ ADC Driver
LT1993-4
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
Common Mode Voltage Control (VOCM Pin)
–3dBBWCM Common Mode Small-Signal –3dB
0.1VP-P at VOCM, Measured Single-Ended at +OUT
300
MHz
Bandwidth
and –OUT
SRCM
Common Mode Slew Rate
1.2V to 3.6V Step at VOCM
500
V/µs
Noise/Harmonic Performance Input/output Characteristics
1kHz Signal
Second/Third Harmonic Distortion
2VP-P Differential (+OUTFILTERED, –OUTFILTERED)
–100
2VP-P Differential (+OUT, –OUT)
–100
2VP-P Differential (+OUT, –OUT), RL = 100Ω
–100
3.2VP-P Differential (+OUTFILTERED,
–91
–OUTFILTERED)
3.2VP-P Differential (+OUT, –OUT)
–91
3.2VP-P Differential (+OUT, –OUT), RL = 100Ω
–91
Third-Order IMD
2VP-P Differential Composite (+OUTFILTERED,
–102
–OUTFILTERED), f1 = 0.95kHz, f2 = 1.05kHz
2VP-P Differential Composite (+OUT, –OUT),
–102
RL = 100Ω, f1 = 0.95kHz, f2 = 1.05kHz
3.2VP-P Differential Composite (+OUTFILTERED,
–93
–OUTFILTERED), f1 = 0.95kHz, f2 = 1.05kHz
OIP31k
Output Third-Order Intercept
Differential (+OUTFILTERED, –OUTFILTERED),
54
f1 = 0.95kHz, f2 = 1.05kHz
en1k
Input Referred Noise Voltage Density
2.15
1dB Compression Point
22.7
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBm
nV/√Hz
dBm
10MHz Signal
Second/Third Harmonic Distortion
2VP-P Differential (+OUTFILTERED, –OUTFILTERED)
–94
dBc
2VP-P Differential (+OUT, –OUT)
–94
dBc
2VP-P Differential (+OUT, –OUT), RL = 100Ω
–86
dBc
3.2VP-P Differential (+OUTFILTERED,
–OUTFILTERED)
–85
dBc
3.2VP-P Differential (+OUT, –OUT)
–85
dBc
3.2VP-P Differential (+OUT, –OUT), RL = 100Ω
–77
dBc
Third-Order IMD
2VP-P Differential Composite (+OUTFILTERED,
–OUTFILTERED), f1 = 9.5MHz, f2 = 10.5MHz
–96
dBc
2VP-P Differential Composite (+OUT, –OUT),
RL = 100Ω, f1 = 9.5MHz, f2 = 10.5MHz
–96
dBc
3.2VP-P Differential Composite (+OUTFILTERED,
–87
dBc
–OUTFILTERED), f1 = 9.5MHz, f2 = 10.5MHz
OIP310M
Output Third-Order Intercept
Differential (+OUTFILTERED, –OUTFILTERED),
f1 = 9.5MHz, f2 = 10.5MHz
51
dBm
NF
Noise Figure
Measured Using DC800A Demo Board
13.7
dB
en10M
Input Referred Noise Voltage Density
1dB Compression Point
2.15
nV/√Hz
22.6
dBm
50MHz Signal
Second/Third Harmonic Distortion
2VP-P Differential (+OUTFILTERED, –OUTFILTERED)
–80
2VP-P Differential (+OUT, –OUT)
–78
2VP-P Differential (+OUT, –OUT), RL = 100Ω
–75
dBc
dBc
dBc
19934fa
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