LTC1257C Linear Technology, LTC1257C Datasheet - Page 2

• Manufacturer Part Number: LTC1257C
• Description: Complete Single Supply 12-Bit Voltage Output DAC in SO-8
• Manufacturer: Linear Technology

A
LTC1257
ELECTRICAL C
(2.475V V
SYMBOL
DAC
DNL
INL
OFF
OFF
FSE
FSE
Reference
2
V
TTL Input Voltage .......................... – 0.5V to V
V
REF ................................................ – 0.5V to V
Operating Temperature Range
Maximum Junction Temperature
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
CC
OUT
BSOLUTE
TC
TC
LTC1257C ............................................. 0 C to 70 C
LTC1257I......................................... – 40 C to 85 C
Plastic Package ............................. – 65 C to 125 C
to GND ............................................ – 0.5V to 16.5V
.............................................. – 0.5V to V
PARAMETER
Resolution
Differential Nonlinearity
Integral Nonlinearity
Offset Error
Offset Error Tempco
Full-Scale Error
Full-Scale Error Tempco
Reference Output Voltage
Reference Output Tempco
Reference Line Regulation
Reference Load Regulation
Reference Input Range
Reference Input Resistance
Reference Input Capacitance
Short-Circuit Current
REF
V
CC
W
– 2.7V), I
A
HARA TERISTICS
XI
OUT
W
U
C
2mA, T
W
R
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)
I
I
I
I
I
0 I
V
(Note 1)
V
OUT
OUT
OUT
OUT
OUT
A
CC
OUT
= T
A
> V
OUT
= 0, LTC1257C
= 0, LTC1257I
= 0
= 0, LTC1257C
= 0, LTC1257I
Shorted to GND
TI
MIN
REF
U
to T
100 A
+ 2.7V
CC
CC
CC
G
MAX
+ 0.5V
+ 0.5V
+ 0.5V
S
V
, unless otherwise noted.
CC
= 4.75V to 15.75V, internal or external reference
Consult factory for Military grade parts.
PACKAGE/ORDER I FOR ATIO
LOAD
D
LOAD
D
CLK
OUT
D
CLK
OUT
D
IN
T
T
IN
JMAX
JMAX
1
2
3
4
1
2
3
4
8-LEAD PLASTIC SO
= 125 C,
= 125 C,
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
TOP VIEW
TOP VIEW
JA
JA
= 100 C/W
= 150 C/W
8
7
6
5
8
7
6
5
V
V
REF
GND
2.028
2.018
2.475
V
V
REF
GND
MIN
CC
OUT
CC
OUT
12
8
U
2.048
TYP
0.5
0.02
0.06
0.01
14
15
15
S8 PART MARKING
ORDER PART
LTC1257CN8
LTC1257IN8
LTC1257CS8
LTC1257IS8
NUMBER
2.068
2.078
W
MAX
0.066
0.02
12
18
90
1257
1257I
0.5
3.5
4.0
0.4
0.7
10
30
8
4
5
2
1
LSB/ C
LSB/ C
LSB/ C
UNITS
LSB/ V
LSB/V
U
V/ C
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
mV
mV
mA
k
pF
V
V
V