LTC1748 Linear Technology, LTC1748 Datasheet - Page 3

• Manufacturer Part Number: LTC1748
• Description: 14-Bit 80Msps Low Noise ADC
• Manufacturer: Linear Technology

DY A IC ACCURACY
I TER AL REFERE CE CHARACTERISTICS
SYMBOL
SNR
SFDR
S/(N + D)
THD
IMD
PARAMETER
V
V
V
V
U
CM
CM
CM
CM
Output Voltage
Output Tempco
Line Regulation
Output Resistance
U W
U
PARAMETER
Signal-to-Noise Ratio
Spurious Free Dynamic Range
Signal-to-(Noise + Distortion) Ratio
Total Harmonic Distortion
Intermodulation Distortion
Sample-and-Hold Bandwidth
U
T
A
CONDITIONS
5MHz Input Signal (2V Range)
5MHz Input Signal (3.2V Range)
30MHz Input Signal (2V Range)
30MHz Input Signal (3.2V Range)
70MHz Input Signal (2V Range)
70MHz Input Signal (3.2V Range)
140MHz Input Signal (2V Range)
250MHz Input Signal (2V Range)
5MHz Input Signal (2V Range)
5MHz Input Signal (3.2V Range) (2nd and 3rd)
5MHz Input Signal (3.2V Range) (Other)
30MHz Input Signal (2V Range)
30MHz Input Signal (3.2V Range) (2nd and 3rd)
30MHz Input Signal (3.2V Range) (Other)
70MHz Input Signal (2V Range)
70MHz Input Signal (3.2V Range) (2nd and 3rd)
70MHz Input Signal (3.2V Range) (Other)
140MHz Input Signal (2VRange) (2nd and 3rd)
140MHz Input Signal (2V Range) (Other)
250MHz Input Signal (2V Range) (2nd and 3rd)
250MHz Input Signal (2V Range) (Other)
5MHz Input Signal (2V Range)
5MHz Input Signal (3.2V Range)
30MHz Input Signal (2V Range)
30MHz Input Signal (3.2V Range)
70MHz Input Signal (2V Range)
70MHz Input Signal (3.2V Range)
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)
f
f
R
= 25 C, A
IN1
IN1
SOURCE
= 2.52MHz, f
= 2.52MHz, f
CONDITIONS
I
I
4.75V V
1mA
OUT
OUT
= 50
= 0
= 0
IN
= –1dBFS (Note 5)
I
OUT
DD
IN2
IN2
= 5.2MHz (2V Range)
= 5.2MHz (3.2V Range)
5.25V
1mA
(Note 5)
74.5
MIN
MIN
2.30
75
74
80
85
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72.6
76.3
72.5
76.1
72.2
75.4
71.4
68.9
72.4
76.0
72.3
75.6
TYP
–90
–90
–90
–85
–78
–74
240
2.35
TYP
90
90
94
90
88
94
85
76
94
77
93
64
89
71
71
97
93
3
4
30
LTC1748
MAX
MAX
2.40
ppm/ C
UNITS
UNITS
mV/V
1748fa
3
MHz
dBc
dBc
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V