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3
225916f
LTC2259-16
CONVERTER CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
l
16
Bits
Integral Linearity Error
Differential Analog Input (Note 6)
l
–12
±4
12
LSB
Differential Linearity Error
Differential Analog Input
l
–1
±0.5
1.2
LSB
Offset Error
(Note 7)
l
–9
±1.5
9
mV
Gain Error
Internal Reference
External Reference
l
–1.5
±1.5
±0.4
1.5
%FS
Offset Drift
±20
μV/°C
Full-Scale Drift
Internal Reference
External Reference
±30
±10
ppm/°C
Transition Noise
External Reference
5
LSBRMS
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2259CUJ-16#PBF
LTC2259CUJ-16#TRPBF
LTC2259UJ-16
40-Lead (6mm
× 6mm) Plastic QFN
0°C to 70°C
LTC2259IUJ-16#PBF
LTC2259IUJ-16#TRPBF
LTC2259UJ-16
40-Lead (6mm
× 6mm) Plastic QFN
–40°C to 85°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *The temperature grade is identied by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
ANALOG INPUT The l denotes the specications which apply over the full operating temperature range, otherwise
specications are at TA = 25°C. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ – AIN–)
1.7V < VDD < 1.9V
l
1 to 2
VP-P
VINCM
Analog Input Common Mode (AIN+ + AIN–)/2 Differential Analog Input (Note 8)
l VCM – 100mV
VCM
VCM + 100mV
V
VSENSE
External Voltage Reference Applied to SENSE External Reference Mode
l
0.625
1.250
1.300
V
IINCM
Analog Input Common Mode Current
Per Pin, 80Msps
100
μA
IIN1
Analog Input Leakage Current
0 < AIN+, AIN– < VDD, No Encode
l
–1
1
μA
IIN2
PAR/SER Input Leakage Current
0 < PAR/SER < VDD
l
–3
3
μA
IIN3
SENSE Input Leakage Current
0.625 < SENSE < 1.3V
l
–6
6
μA
tAP
Sample-and-Hold Acquisition Delay Time
0
ns
tJITTER
Sample-and-Hold Acquisition Delay Jitter
0.17
psRMS
CMRR
Analog Input Common Mode Rejection Ratio
80
dB
BW-3B
Full-Power Bandwidth
Figure 6 Test Circuit
800
MHz
DYNAMIC ACCURACY The l denotes the specications which apply over the full operating temperature range,
otherwise specications are at TA = 25°C. AIN = –1dBFS. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
5MHz Input
70MHz Input
140MHz Input
l
70.9
73.1
72.9
72.4
dBFS