LTC1257
2
1257fc
ABSOLUTE MAXIMUM RATINGS
VCC to GND ............................................. –0.5V to 16.5V
TTL Input Voltage .......................... –0.5V to VCC + 0.5V
VOUT................................................ –0.5V to VCC + 0.5V
REF ................................................. –0.5V to VCC + 0.5V
Operating Temperature Range
LTC1257C ................................................ 0°C to 70°C
LTC1257I............................................. –40°C to 85°C
(Note 1)
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC1257CN8#PBF
LTC1257CN8#TRPBF
LTC1257CN8
8-Lead PDIP
0°C to 70°C
LTC1257IN8#PBF
LTC1257IN8#TRPBF
LTC1257IN8
8-Lead PDIP
–40°C to 85°C
LTC1257CS8#PBF
LTC1257CS8#TRPBF
1257
8-Lead Plastic SO
0°C to 70°C
LTC1257IS8#PBF
LTC1257IS8#TRPBF
1257I
8-Lead Plastic SO
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on nonstandard 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/
1
2
3
4
8
7
6
5
TOP VIEW
N8 PACKAGE
8-LEAD PDIP
VCC
VOUT
REF
GND
CLK
DIN
LOAD
DOUT
TJMAX = 125°C, θJA = 100°C/W
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
VCC
VOUT
REF
GND
CLK
DIN
LOAD
DOUT
TJMAX = 125°C, θJA = 150°C/W
PIN CONFIGURATION
Maximum Junction Temperature
Plastic Package...................................... –65°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)...................300°C
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = TMIN to TMAX. VCC = 4.75V to 15.75V, internal or external reference
(2.475V ≤ VREF ≤ VCC – 2.7V), unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DAC
Resolution
l
12
Bits
DNL
Differential Nonlinearity
Guaranteed Monotonic (Note 4)
l
±0.5
LSB
INL
Integral Nonlinearity
LTC1257C (Note 4)
LTC1257I (Note 4)
l
±3.5
±4.0
LSB