LTC1403-1_15 Datasheet, PDF (3/22 Pages) Linear Technology – Serial 12-Bit/14-Bit, 2.8Msps Sampling ADCs with Shutdown

LTC1403-1/LTC1403A-1
ANALOG INPUT The l denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at T_A = 25°C. V_DD = 3V
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
t_ACQ
t_AP
t_JITTER
Sample-and-Hold Acquisition Time
Sample-and-Hold Aperture Delay Time
Sample-and-Hold Aperture Delay Time Jitter
(Note 6)
l
39
ns
1
ns
0.3
ps
CMRR Analog Input Common Mode Rejection Ratio
f_IN = 1MHz, V_IN = 0V to 3V
f_IN = 100MHz, V_IN = 0V to 3V
–60
dB
–15
dB
DYNAMIC ACCURACY The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are
V_CM = 1.5V at A_IN+ and A_IN–
at
T_A
=
25°C.
V_DD
=
3V.
Single-ended
A_IN+
signal
drive
with
A_IN–
=
1.5V
DC.
Differential
signal
drive
with
LTC1403-1
LTC1403A-1
Symbol
PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX UNITS
SINAD
Signal-to-Noise Plus 100kHz Input Signal (Note 19)
70.5
73.5
dB
Distortion Ratio
1.4MHz Input Signal (Note 19)
l 68 70.5
70 73.5
dB
100kHz Input Signal, External V_REF = 3.3V,
72
V_DD ≥ 3.3V (Note 19)
750kHz Input Signal, External V_REF = 3.3V,
72
V_DD ≥ 3.3V (Note 19)
76.3
dB
76.3
dB
THD
Total Harmonic
Distortion
100kHz First 5 Harmonics (Note 19)
1.4MHz First 5 Harmonics (Note 19)
–87
l
–83 –76
–90
dB
–86 –78
dB
SFDR
Spurious Free
Dynamic Range
100kHz Input Signal (Note 19)
1.4MHz Input Signal (Note 19)
–87
–90
dB
–83
–86
dB
IMD
Intermodulation
Distortion
10..5662M5VH^Pz^-Pin1t.o4MA_I^H_N+^z aSnudmImnveedrtwedithin0to.6A2_I⁵_N^V–P-P
–82
Code-to-Code
V_REF = 2.5V (Note 18)
0.25
Transition Noise
–82
dB
1
LSB_RMS
Full Power Bandwidth V_IN = 2.5V_P-P, SDO = 11585LSB_P-P (Note 15)
50
50
MHz
Full Linear Bandwidth S/(N + D) ≥ 68dB
5
5
MHz
INTERNAL REFERENCE CHARACTERISTICS The l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T_A = 25°C. V_DD = 3V
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V_REF Output Voltage
I_OUT = 0
2.5
V
V_REF Output Tempco
15
ppm/°C
V_REF Line Regulation
V_DD = 2.7V to 3.6V, V_REF = 2.5V
600
µV/V
V_REF Output Resistance
Load Current = 0.5mA
0.2
Ω
V_REF Settling Time
2
ms
14031fc
3