LTC2220-1_15 Datasheet, PDF (3/28 Pages) Linear Technology – 12-Bit,185Msps ADC

LTC2220-1
A ALOG I PUT 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
V_{IN, CM}
I_IN
I_SENSE
I_MODE
I_LVDS
t_AP
t_JITTER
CMRR
Analog Input Range (A_IN+ – A_IN–)
Analog Input Common Mode (A_IN+ + A_IN–)/2
Analog Input Leakage Current
SENSE Input Leakage
MODE Pin Pull-Down Current to GND
LVDS Pin Pull-Down Current to GND
Sample and Hold Acquisition Delay Time
Sample and Hold Acquisition Delay Time Jitter
Analog Input Common Mode Rejection Ratio
3.1V < V_DD < 3.5V (Note 7)
Differential Input (Note 7)
Single Ended Input (Note 7)
0 < A_IN+, A_IN– < V_DD
0V < SENSE < 1V
●
±0.5 to ±1
●1
1.6
1.9
● 0.5
1.6
2.1
● –1
1
● –1
1
10
10
0
0.15
80
V
V
V
µA
µA
µA
µA
ns
ps_RMS
dB
Full Power Bandwidth
Figure 8 Test Circuit
775
MHz
DY A IC 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
SNR
PARAMETER
Signal-to-Noise Ratio (Note 10)
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic (Note 11)
SFDR
Spurious Free Dynamic Range
4th Harmonic or Higher (Note 11)
S/(N+D)
IMD
Signal-to-Noise Plus
Distortion Ratio (Note 12)
Intermodulation Distortion
CONDITIONS
5MHz Input (1V Range)
5MHz Input (2V Range)
70MHz Input (1V Range)
70MHz Input (2V Range)
140MHz Input (1V Range)
140MHz Input (2V Range)
250MHz Input (1V Range)
250MHz Input (2V Range)
5MHz Input (1V Range)
5MHz Input (2V Range)
70MHz Input (1V Range)
70MHz Input (2V Range)
140MHz Input (1V Range)
140MHz Input (2V Range)
250MHz Input (1V Range)
250MHz Input (2V Range)
5MHz Input (1V Range)
5MHz Input (2V Range)
70MHz Input (1V Range)
70MHz Input (2V Range)
140MHz Input (1V Range)
140MHz Input (2V Range)
250MHz Input (1V Range)
250MHz Input (2V Range)
5MHz Input (1V Range)
5MHz Input (2V Range)
70MHz Input (1V Range)
70MHz Input (2V Range)
f_IN1 = 138MHz, f_IN2 = 140MHz
MIN TYP MAX UNITS
62.7
dB
67.7
dB
62.7
dB
● 65.2 67.6
dB
62.4
dB
67.5
dB
61.8
dB
66.1
dB
80
dB
80
dB
80
dB
● 69
80
dB
80
dB
80
dB
74
dB
73
dB
85
dB
85
dB
85
dB
● 74
85
dB
84
dB
84
dB
83
dB
83
dB
62.7
dB
67.5
dB
62.7
dB
● 64.2 67.3
dB
81
dBc
2220_1fa
3