Datasheet

3
LTC1746
1746f
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input Signal (2V Range) 74 dBFS
5MHz Input Signal (3.2V Range)
● 75.5 77.5 dBFS
30MHz Input Signal (2V Range) 73.5 dBFS
30MHz Input Signal (3.2V Range) 76.5 dBFS
70MHz Input Signal (2V Range) 72.5 dBFS
70MHz Input Signal (3.2V Range) 75 dBFS
SFDR Spurious Free Dynamic Range 5MHz Input Signal (2V Range) 96 dB
5MHz Input Signal (3.2V Range)
● 80 91 dB
30MHz Input Signal (2V Range) 95 dB
30MHz Input Signal (3.2V Range) 86.5 dB
70MHz Input Signal (2V Range) 79 dB
70MHz Input Signal (3.2V Range) 71 dB
S/(N + D) Signal-to-(Noise + Distortion) Ratio 5MHz Input Signal (2V Range) 74 dBFS
5MHz Input Signal (3.2V Range)
● 75 77.5 dBFS
30MHz Input Signal (2V Range) 73.5 dBFS
30MHz Input Signal (3.2V Range) 76.5 dBFS
70MHz Input Signal (2V Range) 71.5 dBFS
70MHz Input Signal (3.2V Range) 70 dBFS
THD Total Harmonic Distortion 5MHz Input Signal, First 5 Harmonics (2V Range) –92 dB
5MHz Input Signal, First 5 Harmonics (3.2V Range) –90 dB
30MHz Input Signal, First 5 Harmonics (2V Range) –90.5 dB
30MHz Input Signal, First 5 Harmonics (3.2V Range) –85.5 dB
70MHz Input Signal, First 5 Harmonics (2V Range) –77.5 dB
70MHz Input Signal, First 5 Harmonics (3.2V Range) –70 dB
IMD Intermodulation Distortion f
IN1
= 4MHz, f
IN2
= 5.1MHz (2V Range) 86 dBc
f
IN1
= 4MHz, f
IN2
= 5.1MHz (3.2V Range) 84 dBc
Sample-and-Hold Bandwidth R
SOURCE
= 50Ω 240 MHz
The ● indicates specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. A
IN
= –1dBFS. (Note 5)
DY A IC ACCURACY
UW
PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CM
Output Voltage I
OUT
= 0 2.29 2.35 2.41 V
V
CM
Output Tempco I
OUT
= 0 ±30 ppm/°C
V
CM
Line Regulation 4.75V ≤ V
DD
≤ 5.25V 3 mV/V
V
CM
Output Resistance 1mA ≤ I
OUT
 ≤ 1mA 4 Ω
(Note 5)
I TER AL REFERE CE CHARACTERISTICS
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