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LTC1740 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC1740
Description  14-Bit, 6Msps, Sampling ADC
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1740 Datasheet(HTML) 3 Page - Linear Technology

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LTC1740
1740f
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
S/(N + D)
Signal-to-Noise Plus Distortion Ratio
1MHz Input Signal
79.1
dB
2.5MHz Input Signal
79.0
dB
THD
Total Harmonic Distortion
1MHz Input Signal, First 5 Harmonics
– 90
dB
2.5MHz Input Signal, First 5 Harmonics
– 89
dB
SFDR
Spurious Free Dynamic Range
1MHz Input Signal
92
dB
2.5MHz Input Signal
91
dB
Full-Power Bandwidth
80
MHz
Input Referred Noise
0.45
LSBRMS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCM Output Voltage
IOUT = 0
2.475
2.500
2.525
V
VCM Output Tempco
IOUT = 0
±15
ppm/
°C
VCM Line Regulation
4.75V
≤ VDD ≤ 5.25V
0.6
mV/V
– 5.25V
≤ VSS ≤ –4.75V
0.03
mV/V
VCM Output Resistance
0.1mA
≤ IOUT≤ 0.1mA
8
Ω
VREF Output Voltage
SENSE = GND, IOUT = 0
4.500
V
SENSE = VREF, IOUT = 0
2.250
V
SENSE = VDD
Drive VREF with
V
External Reference
VREF Output Tempco
±15
ppm/
°C
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range
VREF = 4.5V (SENSE = 0V)
q
±2.50
V
VREF = 2.25V (SENSE Tied to VREF)
q
±1.25
V
External VREF (SENSE = 5V)
q
±VREF/1.8
V
IIN
Analog Input Leakage Current
q
±10
µA
CIN
Analog Input Capacitance
Between Conversions
12
pF
During Conversions
4
pF
tACQ
Sample-and-Hold Acquisition Time
67
ns
tAP
Sample-and-Hold Aperture Delay Time
– 900
ps
tjitter
Sample-and-Hold Aperture Delay Time Jitter
0.6
psRMS
CMRR
Analog Input Common Mode Rejection Ratio
VSS < (–AIN = +AIN) < VDD
75
dB
The q denotes specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. Specifications are guaranteed for both dual supply and single supply operation. (Note 4)
VDD = OVDD = 5V, VSS = 0V, VREF = 4.5V, AIN = – 0.1dBFS, AC coupled differential input.
TA = 25°C. Specifications are guaranteed for both dual supply and single supply operation. (Note 4)
A ALOG I PUT
DY A IC ACCURACY
I TER AL REFERE CE CHARACTERISTICS



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