LTC1746 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1746' PDF : 20 Pages View PDF
LTC1746
DY A IC ACCURACY The q indicates specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
SNR
Signal-to-Noise Ratio
5MHz Input Signal (2V Range)
5MHz Input Signal (3.2V Range)
q 75.5
30MHz Input Signal (2V Range)
30MHz Input Signal (3.2V Range)
70MHz Input Signal (2V Range)
70MHz Input Signal (3.2V Range)
SFDR Spurious Free Dynamic Range
5MHz Input Signal (2V Range)
5MHz Input Signal (3.2V Range)
q 80
30MHz Input Signal (2V Range)
30MHz Input Signal (3.2V Range)
70MHz Input Signal (2V Range)
70MHz Input Signal (3.2V Range)
S/(N + D) Signal-to-(Noise + Distortion) Ratio 5MHz Input Signal (2V Range)
5MHz Input Signal (3.2V Range)
q 75
30MHz Input Signal (2V Range)
30MHz Input Signal (3.2V Range)
70MHz Input Signal (2V Range)
70MHz Input Signal (3.2V Range)
THD
Total Harmonic Distortion
5MHz Input Signal, First 5 Harmonics (2V Range)
5MHz Input Signal, First 5 Harmonics (3.2V Range)
30MHz Input Signal, First 5 Harmonics (2V Range)
30MHz Input Signal, First 5 Harmonics (3.2V Range)
70MHz Input Signal, First 5 Harmonics (2V Range)
70MHz Input Signal, First 5 Harmonics (3.2V Range)
IMD
Intermodulation Distortion
Sample-and-Hold Bandwidth
fIN1 = 4MHz, fIN2 = 5.1MHz (2V Range)
fIN1 = 4MHz, fIN2 = 5.1MHz (3.2V Range)
RSOURCE = 50Ω
TYP
74
77.5
73.5
76.5
72.5
75
96
91
95
86.5
79
71
74
77.5
73.5
76.5
71.5
70
– 92
– 90
– 90.5
– 85.5
–77.5
–70
86
84
240
MAX UNITS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dB
dB
dB
dB
dB
dB
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dB
dB
dB
dB
dB
dB
dBc
dBc
MHz
UU
U
I TER AL REFERE CE CHARACTERISTICS (Note 5)
PARAMETER
VCM Output Voltage
VCM Output Tempco
VCM Line Regulation
VCM Output Resistance
CONDITIONS
IOUT = 0
IOUT = 0
4.75V ≤ VDD ≤ 5.25V
1mA ≤ IOUT ≤ 1mA
MIN
TYP
MAX UNITS
2.29
2.35
2.41
V
± 30
ppm/°C
3
mV/V
4
Ω
1746f
3
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