Datasheet

LTC2381-16
3
238116f
DYNAMIC ACCURACY
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise + Distortion) Ratio f
IN
= 20kHz
l
88.5 92 dB
SNR Signal-to-Noise Ratio f
IN
= 20kHz
l
89 92 dB
THD Total Harmonic Distortion f
IN
= 20kHz, First 5 Harmonics
l
–106 –99 dB
SFDR Spurious Free Dynamic Range f
IN
= 20kHz 107 dB
–3dB Input Bandwidth 30 MHz
Aperture Delay 2ns
Aperture Jitter 30 ps
Transient Response Full-Scale Step 250 ns
The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C and A
IN
= –1dBFS. (Notes 4, 8)
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
+ Absolute Input Range (IN
+
) (Note 5)
l
–0.05 V
REF
V
V
IN
– Absolute Input Range (IN
–
) (Note 5)
l
–0.05 V
REF
V
V
IN
+ – V
IN
– Input Differential Voltage range V
IN
= V
IN
+ – V
IN
–
l
–V
REF
+V
REF
V
V
CM
Common-Mode Input Range
l
V
REF
/2–
0.05
V
REF
/2 V
REF
/2+
0.05
V
I
IN
Analog Input Leakage Current
l
±1 µA
C
IN
Analog Input Capacitance Sample Mode
Hold Mode
45
5
pF
pF
CMRR Input Common Mode Rejection Ratio 70 dB
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 4)
CONVERTER CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution
l
16 Bits
No Missing Codes
l
16 Bits
Transition Noise 0.6 LSB
RMS
INL Integral Linearity Error (Note 6)
l
–2 ±0.9 2 LSB
DNL Differential Linearity Error
l
–1 ±0.5 1 LSB
BZE Bipolar Zero-Scale Error (Note 7)
l
–6 ±0.25 6 LSB
Bipolar Zero-Scale Error Drift 3 mLSB/°C
FSE Bipolar Full-Scale Error (Note 7)
l
–14 ±3 14 LSB
Bipolar Full-Scale Error Drift ±0.1 ppm/°C
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 4)