Datasheet

LTC1407-1/LTC1407A-1
3
14071fb
DYNAMIC ACCURACY
The l denotes the specifi cations which apply over the full operating temperature range,
otherwise specifi cations are at T
A
= 25°C. With internal reference, V
DD
= 3V. Single-ended signal drive CH0
+
/CH1
+
with
CHO
–
/CH1
–
= 1.5V DC. Differential signals drive both inputs of each channel with V
CM
= 1.5V DC.
LTC1407-1 LTC1407A-1
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
SINAD Signal-to-Noise Plus
Distortion Ratio
100kHz Input Signal (Note 19)
750kHz 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
72.0
72.0
70
73.5
73.5
76.3
76.3
dB
dB
dB
dB
THD Total Harmonic
Distortion
100kHz First 5 Harmonics (Note 19)
750kHz First 5 Harmonics (Note 19)
l
–87
–83 –77
–90
–86 –80
dB
dB
SFDR Spurious Free
Dynamic Range
100kHz Input Signal (Note 19)
750kHz 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 CH0
+
and Inverted into CHO
–
. Also Applicable
to CH1
+
and CH1
–
–82 –82 dB
Code-to-Code
Transition Noise
V
REF
= 2.5V (Note 17) 0.25 1 LSB
RMS
Full Power Bandwidth V
IN
= 2.5V
P-P
, SDO = 11585LSB
P-P
(–3dBFS) (Note 15) 50 50 MHz
Full Linear Bandwidth S/(N + D) ≥ 68dB 5 5 MHz
The l denotes the specifi cations which apply over the full operating temperature range,
otherwise specifi cations are at T
A
= 25°C. With internal reference, V
DD
= 3V.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Analog Differential Input Range (Notes 3, 8, 9) 2.7V ≤ V
DD
≤ 3.3V –1.25 to 1.25 V
V
CM
Analog Common Mode + Differential
Input Range (Note 10)
0 to V
DD
V
I
IN
Analog Input Leakage Current
l
1µA
C
IN
Analog Input Capacitance (Note 18) 13 pF
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
t
SK
Sample-and-Hold Aperture Skew from CH0 to CH1 200 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
ANALOG INPUT