LTC2205-14 Datasheet, PDF (3/28 Pages) Linear Technology – 14-Bit, 65Msps ADC

LTC2205-14
ANALOG INPUT The ● denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at T_A = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
V_IN
Analog Input Range (A_IN+ – A_IN–)
3.135V ≤ V_DD ≤ 3.465V
●
1.5 to 2.25
V_P-P
V_{IN, CM}
I_IN
I_SENSE
Analog Input Common Mode
Analog Input Leakage Current
SENSE Input Leakage Current
Differential Input (Note 7)
0V ≤ A_IN+, A_IN– ≤ V_DD
0V ≤ SENSE ≤ V_DD
●1
1.25
1.5
V
● –1
1
µA
● –3
3
µA
I_MODE
C_IN
MODE Pin Pull-Down Current to GND
Analog Input Capacitance
Sample Mode ENC⁺ < ENC^–
Hold Mode ENC⁺ > ENC^–
10
µA
6.5
pF
1.8
pF
t_AP
Sample-and-Hold
Aperature Delay Time
0.7
ns
t_JITTER
Sample-and-Hold
Aperature Delay Time Jitter
90
fs_RMS
CMRR
Analog Input
Common Mode Rejection Ratio
1V < (A_IN+ = A_IN–) <1.5V
60
dB
BW-3dB
Full Power Bandwidth
700
MHz
DYNAMIC ACCURACY The ● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T_A = 25°C. A_IN = –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
dBFS
76.0
dBFS
15MHz Input (2.25V Range, PGA = 0)
15MHz Input (2.25V Range, PGA = 0)
15MHz Input (1.5V Range, PGA = 1)
● 76.8 78.2
dBFS
77.2 78.2
dBFS
76.0
dBFS
70MHz Input (2.25V Range, PGA = 0)
70MHz Input (1.5V Range, PGA = 1)
70MHz Input (1.5V Range, PGA = 1)
77.7
dBFS
● 74.2 75.7
dBFS
74.7
dBFS
140MHz Input (2.25V Range, PGA = 0)
140MHz Input (1.5V Range, PGA = 1)
76.4
dBFS
74.9
dBFS
170MHz Input (2.25V Range, PGA = 0)
170MHz Input (1.5V Range, PGA = 1)
75.6
dBFS
74.2
dBFS
SFDR
Spurious Free Dynamic Range
2^nd or 3^rd Harmonic
5MHz Input (2.25V Range, PGA = 0)
5MHz Input (1.5V Range, PGA = 1)
98
dBc
98
dBc
15MHz Input (2.25V Range, PGA = 0)
● 85
98
dBc
15MHz Input (2.25V Range, PGA = 0
86
98
dBc
15MHz Input (1.5V Range, PGA = 1)
98
dBc
70MHz Input (2.25V Range, PGA = 0)
90
dBc
70MHz Input (1.5V Range, PGA = 1)
● 82
92
dBc
70MHz Input (1.5V Range, PGA = 1)
83
92
dBc
140MHz Input (2.25V Range, PGA = 0)
140MHz Input (1.5V Range, PGA = 1)
88
dBc
90
dBc
170MHz Input (2.25V Range, PGA = 0)
170MHz Input (1.5V Range, PGA = 1)
80
dBc
82
dBc
220514fa
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