LTC2190 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Lista de partido
LTC2190 Datasheet PDF : 28 Pages
| |||
LTC2192
LTC2191/LTC2190
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
LTC2192
LTC2191
LTC2190
MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
SNR
Signal-to-Noise Ratio
5MHz Input
77
76.9
77.1
dBFS
30MHz Input
l tbd 76.9
tbd 76.8
tbd 77
dBFS
70MHz Input
76.8
76.7
76.9
dBFS
140MHz Input
76.3
76.2
76.4
dBFS
SFDR Spurious Free Dynamic Range 5MHz Input
90
90
90
dBFS
2nd or 3rd Harmonic
30MHz Input
l tbd 90
tbd 90
tbd 90
dBFS
70MHz Input
89
89
89
dBFS
140MHz Input
84
84
84
dBFS
Spurious Free Dynamic Range 5MHz Input
95
95
95
dBFS
4th Harmonic or Higher
30MHz Input
l tbd 95
tbd 95
tbd 95
dBFS
70MHz Input
95
95
95
dBFS
140MHz Input
95
95
95
dBFS
S/(N+D) Signal-to-Noise Plus
5MHz Input
76.8
76.7
76.9
dBFS
Distortion Ratio
30MHz Input
l tbd 76.7
tbd 76.6
tbd 76.8
dBFS
70MHz Input
76.4
76.3
76.5
dBFS
140MHz Input
76.3
75.2
76.4
dBFS
Crosstalk
10MHz Input
–110
–110
–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
VCM Output Temperature Drift
VCM Output Resistance
VREF Output Voltage
VREF Output Temperature Drift
VREF Output Resistance
VREF Line Regulation
IOUT = 0
–600µA < IOUT < 1mA
IOUT = 0
–400µA < IOUT < 1mA
1.7V < VDD < 1.9V
0.5 • VDD – 25mV
1.225
0.5 • VDD
±25
4
1.250
±25
7
0.6
0.5 • VDD + 25mV
1.275
V
ppm/°C
Ω
V
ppm/°C
Ω
mV/V
DIGITAL INPUTS AND OUTPUTS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 5)
SYMBOL PARAMETER
ENCODE INPUTS (ENC+, ENC–)
CONDITIONS
MIN
TYP
MAX
UNITS
Differential Encode Mode (ENC– Not Tied to GND)
VID
Differential Input Voltage
VICM
Common Mode Input Voltage
(Note 8)
Internally Set
Externally Set (Note 8)
l
0.2
V
1.2
V
l
1.1
1.6
V
VIN
Input Voltage Range
RIN
Input Resistance
CIN
Input Capacitance
Single-Ended Encode Mode (ENC– Tied to GND)
ENC+, ENC– to GND
See Figure 10
(Note 8)
l
0.2
3.6
V
10
kΩ
3.5
pF
VIH
High Level Input Voltage
VDD =1.8V
l
1.2
V
VIL
Low Level Input Voltage
VDD =1.8V
l
0.6
V
219210p
4
Share Link: 