LTC1257I(RevA) データシートの表示（PDF） - Linear Technology
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LTC1257I Datasheet PDF : 12 Pages
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LTC1257
ABSOLUTE AXI U RATI GS
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
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
PACKAGE/ORDER I FOR ATIO
TOP VIEW
CLK 1
DIN 2
LOAD 3
DOUT 4
8 VCC
7 VOUT
6 REF
5 GND
N8 PACKAGE
8-LEAD PDIP
TJMAX = 125°C, θJA = 100°C/W
TOP VIEW
CLK 1
DIN 2
LOAD 3
DOUT 4
8 VCC
7 VOUT
6 REF
5 GND
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 150°C/W
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC1257CN8
LTC1257IN8
LTC1257CS8
LTC1257IS8
S8 PART MARKING
1257
1257I
ELECTRICAL CHARACTERISTICS VCC = 4.75V to 15.75V, internal or external reference
(2.475V ≤ VREF ≤ VCC – 2.7V), IOUT ≤ 2mA, TA = TMIN to TMAX, unless otherwise noted.
SYMBOL
DAC
DNL
INL
PARAMETER
Resolution
Differential Nonlinearity
Integral Nonlinearity
OFF
Offset Error
OFFTC Offset Error Tempco
FSE
Full-Scale Error
FSETC Full-Scale Error Tempco
Reference
Reference Output Voltage
Reference Output Tempco
Reference Line Regulation
Reference Load Regulation
Reference Input Range
Reference Input Resistance
Reference Input Capacitance
Short-Circuit Current
CONDITIONS
Guaranteed Monotonic
LTC1257C
LTC1257I
When Using Internal Reference, LTC1257C
When Using Internal Reference, LTC1257I
When Using External Reference, LTC1257C
When Using External Reference, LTC1257I
When Using Internal Reference (Note 1)
When Using External Reference (Note 1)
(Note 1)
IOUT = 0, LTC1257C
IOUT = 0, LTC1257I
IOUT = 0
IOUT = 0, LTC1257C
IOUT = 0, LTC1257I
0 ≤ IOUT ≤ 100µA
VCC > VREF + 2.7V
(Note 1)
VOUT Shorted to GND
MIN TYP
q
12
q
q
q
q
q
q
q
q
±0.02
q
±15
q
0.5
q
± 0.01
q
2.028 2.048
q
2.018
q
±0.06
q
q
q
q
2.475
q
8
14
15
q
MAX
±0.5
±3.5
±4.0
±8
±10
±4
±5
±0.066
±30
±2
±0.02
2.068
2.078
±0.4
±0.7
±1
12
18
90
UNITS
Bits
LSB
LSB
LSB
LSB
LSB
mV
mV
LSB/°C
µV/°C
LSB
LSB/°C
V
V
LSB/°C
LSB/ V
LSB/ V
LSB
V
kΩ
pF
mA
2
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