LTC2188 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC2188 Datasheet PDF : 36 Pages
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LTC2188
Dynamic Accuracy The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
SNR
Signal-to-Noise Ratio
5MHz Input
77.1
dBFS
30MHz Input
l 75.3
77
dBFS
70MHz Input
76.9
dBFS
140MHz Input
76.4
dBFS
SFDR Spurious Free Dynamic Range 2nd Harmonic
5MHz Input
90
dBFS
30MHz Input
l
84
90
dBFS
70MHz Input
89
dBFS
140MHz Input
84
dBFS
Spurious Free Dynamic Range 3rd Harmonic
5MHz Input
90
dBFS
30MHz Input
l
84
90
dBFS
70MHz Input
89
dBFS
140MHz Input
84
dBFS
Spurious Free Dynamic Range 4th Harmonic or Higher 5MHz Input
95
dBFS
30MHz Input
l
89
95
dBFS
70MHz Input
95
dBFS
140MHz Input
95
dBFS
S/(N+D) Signal-to-Noise Plus Distortion Ratio
5MHz Input
76.9
dBFS
30MHz Input
l 74.9
76.8
dBFS
70MHz Input
76.5
dBFS
140MHz Input
76.4
dBFS
Crosstalk
10MHz Input
–110
dBc
Internal Reference Characteristics The l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCM Output Voltage
IOUT = 0
0.5 • VDD – 25mV
0.5 • VDD
0.5 • VDD + 25mV
V
VCM Output Temperature Drift
VCM Output Resistance
VREF Output Voltage
VREF Output Temperature Drift
VREF Output Resistance
–600µA < IOUT < 1mA
IOUT = 0
–400µA < IOUT < 1mA
1.225
±25
4
1.250
±25
7
1.275
ppm/°C
Ω
V
ppm/°C
Ω
VREF Line Regulation
1.7V < VDD < 1.9V
0.6
mV/V
2188f
5
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