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LTC1278 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC1278
Description  12-Bit, 500ksps Sampling A/D Converter with Shutdown
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1278 Datasheet(HTML) 3 Page - Linear Technology

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LTC1278
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
S/(N + D)
Signal-to-Noise Plus Distortion Ratio
100kHz Input Signal
q
70
72
dB
250kHz Input Signal
70
dB
THD
Total Harmonic Distortion
100kHz Input Signal
q
–80
– 78
dB
First 5 Harmonics
250kHz Input Signal
– 74
dB
Peak Harmonic or Spurious Noise
100kHz Input Signal
q
–84
– 78
dB
250kHz Input Signal
– 74
dB
IMD
Intermodulation Distortion
fIN1 = 99.37kHz, fIN2 = 102.4kHz
– 82
dB
fIN1 = 249.37kHz, fIN2 = 252.4kHz
– 70
dB
Full Power Bandwidth
4
MHz
Full Linear Bandwidth (S/(N + D)
≥ 68dB)
350
kHz
(Note 5)
LTC1278-4/LTC1278-5
ACCURACY
IC
DY A
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
2.400
2.420
2.440
V
VREF Output Tempco
IOUT = 0
q
±10
±45
ppm/
°C
VREF Line Regulation
4.95V
≤ VDD ≤ 5.25V
0.01
LSB/V
– 5.25V
≤ VSS ≤ –4.95V
0.01
LSB/V
VREF Load Regulation
0V
≤ |IOUT| ≤ 1mA
2
LSB/mA
LTC1278-4/LTC1278-5
I TER AL REFERE CE CHARACTERISTICS (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 5.25V
q
2.4
V
VIL
Low Level Input Voltage
VDD = 4.95V
q
0.8
V
IIN
Digital Input Current
VIN = 0V to VDD
q
±10
µA
CIN
Digital Input Capacitance
5pF
VOH
High Level Output Voltage
VDD = 4.95V
IO = – 10µA
4.7
V
IO = – 200µA
q
4V
VOL
Low Level Output Voltage
VDD = 4.95V
IO = 160µA
0.05
V
IO = 1.6mA
q
0.10
0.4
V
IOZ
High Z Output Leakage D11 to D0
VOUT = 0V to VDD, CS High
q
±10
µA
COZ
High Z Output Capacitance D11 to D0
CS High (Note 9 )
q
15
pF
ISOURCE
Output Source Current
VOUT = 0V
– 10
mA
ISINK
Output Sink Current
VOUT = VDD
10
mA
LTC1278-4/LTC1278-5
(Note 5)
DIGITAL I PUTS A D DIGITAL OUTPUTS



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