Datasheet
LTC2258-12
LTC2257-12/LTC2256-12
3
225812fd
For more information www.linear.com/LTC2258-12
converTer characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 5)
PARAMETER CONDITIONS
LTC2258-12 LTC2257-12 LTC2256-12
UNITSMIN TYP MAX MIN TYP MAX MIN TYP MAX
Resolution (No Missing Codes)
l
12 12 12 Bits
Integral Linearity Error Differential Analog Input (Note 6)
l
–1 ±0.3 1 –1 ±0.3 1 –1 ±0.3 1 LSB
Differential Linearity Error Differential Analog Input
l
–0.4 ±0.1 0.4 –0.4 ±0.1 0.4 –0.4 ±0.1 0.4 LSB
Offset Error (Note 7)
l
–9 ±1.5 9 –9 ±1.5 9 –9 ±1.5 9 mV
Gain Error Internal Reference
External Reference
l
–1.5
±1.5
±0.4
1.5
–1.5
±1.5
±0.4
1.5
–1.5
±1.5
±0.4
1.5
%FS
%FS
Offset Drift ±20 ±20 ±20 µV/°C
Full-Scale Drift Internal Reference
External Reference
±30
±10
±30
±10
±30
±10
ppm/°C
ppm/°C
Transition Noise External Reference 0.32 0.32 0.32
LSB
RMS
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2258CUJ-12#PBF LTC2258CUJ-12#TRPBF LTC2258UJ-12 40-Lead (6mm × 6mm) Plastic QFN 0°C to 70°C
LTC2258IUJ-12#PBF LTC2258IUJ-12#TRPBF LTC2258UJ-12 40-Lead (6mm × 6mm) Plastic QFN –40°C to 85°C
LTC2257CUJ-12#PBF LTC2257CUJ-12#TRPBF LTC2257UJ-12 40-Lead (6mm × 6mm) Plastic QFN 0°C to 70°C
LTC2257IUJ-12#PBF LTC2257IUJ-12#TRPBF LTC2257UJ-12 40-Lead (6mm × 6mm) Plastic QFN –40°C to 85°C
LTC2256CUJ-12#PBF LTC2256CUJ-12#TRPBF LTC2256UJ-12 40-Lead (6mm × 6mm) Plastic QFN 0°C to 70°C
LTC2256IUJ-12#PBF LTC2256IUJ-12#TRPBF LTC2256UJ-12 40-Lead (6mm × 6mm) Plastic QFN –40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/