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LTC2255 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC2255
Description  16-Bit, 20Msps ADC
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2255 Datasheet(HTML) 5 Page - Linear Technology

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LTC2201
5
2201f
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCM Output Voltage
IOUT = 0
1.15
1.25
1.35
V
VCM Output Tempco
IOUT = 0
±40
ppm/°C
VCM Line Regulation
3.135V ≤ VDD ≤ 3.465V
1
mV/ V
VCM Output Resistance
1mA ≤ | IOUT | ≤ 1mA
2
Ω
COMMON MODE BIAS CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC INPUTS (CLK, OE, DITH, PGA, SHDN, RAND)
VIH
High Level Input Voltage
VDD = 3.3V
l
2V
VIL
Low Level Input Voltage
VDD = 3.3V
l
0.8
V
IIN
Digital Input Current
VIN = 0V to VDD
l
±10
μA
CIN
Digital Input Capacitance
(Note 7)
1.5
pF
LOGIC OUTPUTS
OVDD = 3.3V
VOH
High Level Output Voltage
VDD = 3.3V
IO = –10μA
IO = –200μA
l
3.1
3.299
3.29
V
V
VOL
Low Level Output Voltage
VDD = 3.3V
IO = 160μA
IO = 1.6mA
l
0.01
0.10
0.4
V
V
ISOURCE
Output Source Current
VOUT = 0V
–50
mA
ISINK
Output Sink Current
VOUT = 3.3V
50
mA
OVDD = 2.5V
VOH
High Level Output Voltage
VDD = 3.3V
IO = –200μA
2.49
V
VOL
Low Level Output Voltage
VDD = 3.3V
IO = 1.60mA
0.1
V
OVDD = 1.8V
VOH
High Level Output Voltage
VDD = 3.3V
IO = –200μA
1.79
V
VOL
Low Level Output Voltage
VDD = 3.3V
IO = 1.60mA
0.1
V
DIGITAL INPUTS AND DIGITAL OUTPUTS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SFDR
Spurious Free
Dynamic Range
at –25dBFS
Dither “ON”
1MHz Input (2.5V Range, PGA = 0)
1MHz Input (1.667V Range, PGA = 1)
115
115
dBFS
dBFS
5MHz Input (2.5V Range, PGA = 0)
5MHz Input (1.667V Range, PGA = 1)
115
115
dBFS
dBFS
12.5MHz Input (2.5V Range, PGA = 0)
12.5MHz Input (1.667V Range, PGA = 1)
115
115
dBFS
dBFS
30MHz Input (2.5V Range, PGA = 0)
30MHz Input (1.667V Range, PGA = 1)
115
115
dBFS
dBFS
70MHz Input (2.5V Range, PGA = 0)
70MHz Input (1.667V Range, PGA = 1)
110
110
dBFS
dBFS
DYNAMIC ACCURACY The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)
The
l denotes the specifications which apply over
the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4)
The
l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4)



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