LTC6401-20 Datasheet, PDF (4/16 Pages) Linear Technology – 1.3GHz Low Noise, Low Distortion Differential ADC Driver for 140MHz IF

LTC6401-20
AC ELECTRICAL CHARACTERISTICS Specifications are at T_A = 25°C. V⁺ = 3V, V^– = 0V, +IN and –IN
floating, V_OCM = 1.25V, ^⎯E^⎯N^⎯A^⎯B^⎯L^⎯E = 0V, No R_L unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
–3dBBW
0.1dBBW
0.5dBBW
1/f
–3dB Bandwidth
Bandwidth for 0.1dB Flatness
Bandwidth for 0.5dB Flatness
1/f Noise Corner
200mV_P-P,OUT (Note 6)
200mV_P-P,OUT (Note 6)
200mV_P-P,OUT (Note 6)
1.25
GHz
130
MHz
250
MHz
12.5
kHz
SR
Slew Rate
Differential (Note 6)
4500
V/μs
t_S1%
1% Settling Time
2V_P-P,OUT (Note 6)
2
ns
t_OVDR
Output Overdrive Recovery Time
1.9V_P-P,OUT (Note 6)
7
ns
t_ON
Turn-On Time
+OUT, –OUT Within 10% of Final Values
78
ns
t_OFF
Turn-Off Time
I_CC Falls to 10% of Nominal
146
ns
–3dBBW_CM
Common Mode Small Signal –3dB 0.1V_P-P at V_OCM, Measured Single-Ended at
15
MHz
BW
Output (Note 6)
10MHz Input Signal
HD_2,10M/HD_3,10M Second/Third Order Harmonic
Distortion
IMD_3,10M
Third-Order Intermodulation
(f1 = 9.5MHz f2 = 10.5MHz)
OIP_3,10M
Third-Order Output Intercept Point
(f1 = 9.5MHz f2 = 10.5MHz)
2V_P-P,OUT, R_L = 400Ω
2V_P-P,OUT, No R_L
2V_P-P,OUTFILT, No R_L
2V_P-P,OUT Composite, R_L = 400Ω
2V_P-P,OUT Composite, No R_L
2V_P-P,OUTFILT Composite, No R_L
2V_P-P,OUT Composite, No R_L (Note 7)
–122/–92
dBc
–110/–103
dBc
–113/–102
dBc
–96
dBc
–108
dBc
–105
dBc
58
dBm
P_1dB,10M
1dB Compression Point
R_L = 375Ω (Notes 5, 7)
NF_10M
Noise Figure
R_L = 375Ω (Note 5)
e_IN,10M
Input Referred Voltage Noise Density Includes Resistors (Short Inputs)
e_ON,10M
Output Referred Voltage Noise Density Includes Resistors (Short Inputs)
70MHz Input Signal
17.3
dBm
6.2
dB
2.1
nV/√⎯H⎯z
21
nV/√⎯H⎯z
HD_2,70M/HD_3,70M Second/Third Order Harmonic
Distortion
IMD_3,70M
Third-Order Intermodulation
(f1 = 69.5MHz f2 = 70.5MHz)
OIP_3,70M
Third-Order Output Intercept Point
(f1 = 69.5MHz f2 = 70.5MHz)
2V_P-P,OUT, R_L = 400Ω
2V_P-P,OUT, No R_L
2V_P-P,OUTFILT, No R_L
2V_P-P,OUT Composite, R_L = 400Ω
2V_P-P,OUT Composite, No R_L
2V_P-P,OUTFILT Composite, No R_L
2V_P-P,OUT Composite, No R_L (Note 7)
–91/–80
dBc
–95/–88
dBc
–95/–88
dBc
–88
dBc
–93
dBc
–92
dBc
50.5
dBm
P_1dB,70M
1dB Compression Point
R_L = 375Ω (Notes 5, 7)
NF_70M
Noise Figure
R_L = 375Ω (Note 5)
e_IN,70M
Input Referred Voltage Noise Density Includes Resistors (Short Inputs)
e_ON,70M
Output Referred Voltage Noise Density Includes Resistors (Short Inputs)
140MHz Input Signal
17.3
dBm
6.1
dB
2.1
nV/√⎯H⎯z
21
nV/√⎯H⎯z
HD_2,140M/HD_3,140M Second/Third Order Harmonic
Distortion
2V_P-P,OUT, R_L = 400Ω
2V_P-P,OUT, No R_L
2V_P-P,OUTFILT, No R_L
–80/–57
dBc
–81/–60
dBc
–80/–65
dBc
640120f
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