Datasheet

LTC1403-1/LTC1403A-1
3
14031fc
DYNAMIC ACCURACY
INTERNAL REFERENCE CHARACTERISTICS
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
Sample-and-Hold Acquisition Time (Note 6)
l
39 ns
t
AP
Sample-and-Hold Aperture Delay Time 1 ns
t
JITTER
Sample-and-Hold Aperture Delay Time Jitter 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
–15
dB
dB
The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. V
DD
= 3V. Single-ended A
IN
+
signal drive with A
IN
–
= 1.5V DC. Differential signal drive with
V
CM
= 1.5V at A
IN
+
and A
IN
–
Symbol PARAMETER CONDITIONS
LTC1403-1 LTC1403A-1
UNITSMIN TYP MAX MIN TYP MAX
SINAD Signal-to-Noise Plus
Distortion Ratio
100kHz Input Signal (Note 19)
1.4MHz Input Signal (Note 19)
100kHz Input Signal, External V
REF
= 3.3V,
V
DD
≥ 3.3V (Note 19)
750kHz Input Signal, External V
REF
= 3.3V,
V
DD
≥ 3.3V (Note 19)
l
68
70.5
70.5
72
72
70
73.5
73.5
76.3
76.3
dB
dB
dB
dB
THD Total Harmonic
Distortion
100kHz First 5 Harmonics (Note 19)
1.4MHz First 5 Harmonics (Note 19)
l
–87
–83 –76
–90
–86 –78
dB
dB
SFDR Spurious Free
Dynamic Range
100kHz Input Signal (Note 19)
1.4MHz Input Signal (Note 19)
–87
–83
–90
–86
dB
dB
IMD Intermodulation
Distortion
0.625V
P-P
1.4MHz Summed with 0.625V
P-P
1.56MHz into A
IN
+
and Inverted into A
IN
–
–82 –82 dB
Code-to-Code
Transition Noise
V
REF
= 2.5V (Note 18) 0.25 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
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
The l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25°C. V
DD
= 3V