LTC2230_15 Datasheet, PDF (3/32 Pages) Linear Technology – 10-Bit,170Msps/ 135Msps ADCs

LTC2230/LTC2231
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 9)
SYMBOL
V_IN
V_{IN, CM}
I_IN
I_SENSE
I_MODE
I_LVDS
t_AP
t_JITTER
CMRR
PARAMETER
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
CONDITIONS
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
MIN TYP MAX
●
±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
UNITS
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 PARAMETER
CONDITIONS
LTC2230
MIN TYP MAX
LTC2231
MIN TYP MAX
UNITS
SNR
Signal-to-Noise Ratio (Note 10) 5MHz Input (1V Range)
59.5
5MHz Input (2V Range)
61.2
59.5
dB
61.2
dB
70MHz Input (1V Range)
59.5
59.5
dB
70MHz Input (2V Range) ● 60.4 61.1
60.4 61.1
dB
140MHz Input (1V Range)
59.4
140MHz Input (2V Range)
61.0
59.4
dB
61.0
dB
250MHz Input (1V Range)
59.0
250MHz Input (2V Range)
60.6
59.0
dB
60.6
dB
SFDR Spurious Free Dynamic Range 5MHz Input (1V Range)
80
2nd or 3rd Harmonic (Note 11) 5MHz Input (2V Range)
78
80
dB
78
dB
70MHz Input (1V Range)
80
80
dB
70MHz Input (2V Range) ● 64
78
68
78
dB
140MHz Input (1V Range)
78
140MHz Input (2V Range)
78
78
dB
78
db
250MHz Input (1V Range)
75
250MHz Input (2V Range)
74
78
dB
78
dB
SFDR Spurious Free Dynamic Range 5MHz Input (1V Range)
86
4th Harmonic or Higher (Note 11) 5MHz Input (2V Range)
86
86
dB
86
dB
70MHz Input (1V Range)
86
86
dB
70MHz Input (2V Range) ● 73
86
74
86
dB
140MHz Input (1V Range)
86
140MHz Input (2V Range)
86
86
dB
86
dB
250MHz Input (1V Range)
85
250MHz Input (2V Range)
85
85
dB
85
dB
S/(N+D) Signal-to-Noise
5MHz Input (1V Range)
59.5
Plus Distortion Ratio (Note 12) 5MHz Input (2V Range)
61.2
59.5
dB
61.2
dB
70MHz Input (1V Range)
59.5
59.5
dB
70MHz Input (2V Range) ● 59.5 61.1
60
61.1
dB
IMD
Intermodulation Distortion
f_IN1 = 138MHz,
f_IN2 = 140MHz
81
81
dBc
22301fb
3