Datasheet

3
LTC1401
1401fa
PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) ● 12 Bits
Integral Linearity Error (Note 6) ● ±1LSB
Differential Linearity Error ● ±1LSB
Offset Error ±6LSB
● ±8LSB
Full-Scale Error ±15 LSB
Full-Scale Tempco I
OUT(REF)
= 0 ● ±10 ±45 ppm/°C
CCHARA TERIST
ICS
CO
U
VERTER
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-Noise 50kHz Input Signal ● 65 68 dB
Plus Distortion Ratio 100kHz Input Signal 65 dB
THD Total Harmonic Distortion 50kHz Input Signal ● –72 –65 dB
Up to 5th Harmonic 100kHz Input Signal – 66 dB
Peak Harmonic or 50kHz Input Signal ● –74 –65 dB
Spurious Noise 100kHz Input Signal – 67 dB
IMD Intermodulation Distortion f
IN1
= 49.853kHz, f
IN2
= 53.076kHz – 69 dB
Full Power Bandwidth 2 MHz
Full Linear Bandwidth (S/(N + D) ≥ 68dB) 50 kHz
ACCURACY
IC
DY
U
W
A
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IH
High Level Input Voltage V
CC
= 3.6V ● 2.0 V
V
IL
Low Level Input Voltage V
CC
= 2.7V ● 0.8 V
I
IN
Digital Input Current V
IN
= 0V to V
CC
● ±10 µA
C
IN
Digital Input Capacitance 5pF
V
OH
High Level Output Voltage V
CC
= 2.7V, I
O
= –10µA ● 2.40 2.64 V
V
CC
= 2.7V, I
O
= – 200µA ● 2.25 2.50 V
V
OL
Low Level Output Voltage V
CC
= 2.7V, I
O
= 400µA ● 0.13 0.4 V
I
OZ
Hi-Z Output Leakage D
OUT
V
OUT
= 0V to V
CC
● ±10 µA
C
OZ
Hi-Z Output Capacitance D
OUT
15 pF
I
SOURCE
Output Source Current V
OUT
= 0V –5 mA
I
SINK
Output Sink Current V
OUT
= V
CC
10 mA
DIGITAL I PUTS AND OUTPUTS
UU
The ● denotes specifications which apply over the full operating temperature
range, unless otherwise noted specifications are at T
A
= 25°C. V
CC
= 3V, f
SAMPLE
= 200kHz, t
r
= t
f
= 5ns, unless otherwise specified.
The
● denotes specifications which apply over the full operating temperature range, unless
otherwise noted specifications are at T
A
= 25°C. V
CC
= 3V, f
SAMPLE
= 200kHz, t
r
= t
f
= 5ns, unless otherwise specified.
The
● denotes specifications which apply over the full operating temperature
range, unless otherwise noted specifications are at T
A
= 25°C. With internal reference V
CC
= 3V, f
SAMPLE
= 200kHz, t
r
= t
f
= 5ns, unless
otherwise specified.