LTC2205-14
3
220514fb
ANALOG INPUT
DYNAMIC ACCURACY
The ● denotes the specications which apply over the full operating temperature range, otherwise
specications are at TA = 25°C. (Note 4)
The ● denotes the specications which apply over the full operating temperature range,
otherwise specications are at TA = 25°C. AIN = –1dBFS. (Note 4)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
5MHz Input (2.25V Range, PGA = 0)
5MHz Input (1.5V Range, PGA = 1)
78.3
76.0
dBFS
15MHz Input (2.25V Range, PGA = 0)
15MHz Input (1.5V Range, PGA = 1)
l
76.8
77.2
78.2
76.0
dBFS
70MHz Input (2.25V Range, PGA = 0)
70MHz Input (1.5V Range, PGA = 1)
l
74.2
74.7
77.7
75.7
dBFS
140MHz Input (2.25V Range, PGA = 0)
140MHz Input (1.5V Range, PGA = 1)
76.4
74.9
dBFS
170MHz Input (2.25V Range, PGA = 0)
170MHz Input (1.5V Range, PGA = 1)
75.6
74.2
dBFS
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
5MHz Input (2.25V Range, PGA = 0)
5MHz Input (1.5V Range, PGA = 1)
98
dBc
15MHz Input (2.25V Range, PGA = 0)
15MHz Input (2.25V Range, PGA = 0
15MHz Input (1.5V Range, PGA = 1)
l
85
86
98
dBc
70MHz Input (2.25V Range, PGA = 0)
70MHz Input (1.5V Range, PGA = 1)
l
82
83
90
92
dBc
140MHz Input (2.25V Range, PGA = 0)
140MHz Input (1.5V Range, PGA = 1)
88
90
dBc
170MHz Input (2.25V Range, PGA = 0)
170MHz Input (1.5V Range, PGA = 1)
80
82
dBc
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ – AIN–)
3.135V ≤ VDD ≤ 3.465V
l
1.5 to 2.25
VP-P
VIN, CM
Analog Input Common Mode
Differential Input (Note 7)
l
1
1.25
1.5
V
IIN
Analog Input Leakage Current
0V ≤ AIN+, AIN– ≤ VDD
l
–1
1
μA
ISENSE
SENSE Input Leakage Current
0V ≤ SENSE ≤ VDD
l
–3
3
μA
IMODE
MODE Pin Pull-Down Current to GND
10
μA
CIN
Analog Input Capacitance
Sample Mode ENC+ < ENC–
Hold Mode ENC+ > ENC–
6.5
1.8
pF
tAP
Sample-and-Hold
Aperature Delay Time
0.7
ns
tJITTER
Sample-and-Hold
Aperature Delay Time Jitter
90
fsRMS
CMRR
Analog Input
Common Mode Rejection Ratio
1V < (AIN+ = AIN–) <1.5V
60
dB
BW-3dB
Full Power Bandwidth
700
MHz