LTC1257CN8 Linear Technology, LTC1257CN8 Datasheet - Page 2

• Manufacturer Part Number: LTC1257CN8
• Description: IC D/A CONV 12BIT VOLT OUT 8-DIP
• Manufacturer: Linear Technology

Specifications of LTC1257CN8

• Settling Time: 6µs
• Number Of Bits: 12
• Data Interface: Serial
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 1.75mW
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ABSOLUTE AXI U RATI GS
ELECTRICAL CHARACTERISTICS
LTC1257
(Note 1)
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
The
T
SYMBOL
DAC
DNL
INL
OFF
OFF
Reference
2
A
CC
OUT
= T
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
MIN
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at
.............................................. – 0.5V to V
to T
PARAMETER
Resolution
Differential Nonlinearity
Integral Nonlinearity
Offset Error
Offset Error Tempco
Gain Error
Gain 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
MAX
. V
CC
W
= 4.75V to 15.75V, internal or external reference (2.475V V
W W
CONDITIONS
Guaranteed Monotonic (Note 4)
LTC1257C (Note 4)
LTC1257I (Note 4)
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 2)
When Using External Reference (Note 2)
(Note 2)
I
I
I
I
I
0 I
V
(Note 2)
V
REF
REF
REF
REF
REF
CC
REF
> V
= 0, LTC1257C
= 0, LTC1257I
= 0
= 0, LTC1257C
= 0, LTC1257I
REF
Shorted to GND
REF
U
100 A
+ 2.7V
CC
CC
CC
+ 0.5V
+ 0.5V
+ 0.5V
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature
ranges.
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
REF
TOP VIEW
TOP VIEW
V
JA
JA
CC
= 100 C/W
= 150 C/W
– 2.7V), unless otherwise noted.
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
W
2.068
2.078
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