LTC1257CS8 Linear Technology, LTC1257CS8 Datasheet - Page 3

• Manufacturer Part Number: LTC1257CS8
• Description: IC D/A CONV 12BIT VOLT OUT 8SOIC
• Manufacturer: Linear Technology

Specifications of LTC1257CS8

• 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: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ELECTRICAL CHARACTERISTICS
The
T
SYMBOL
Power Supply
V
I
Op Amp DC Performance
AC Performance
Digital I/O
V
V
V
V
I
C
Switching (Note 2)
t1
t2
t3
t4
t5
t6
t7
t8
f
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Guaranteed by design; not subject to test.
CC
LEAK
CLK
A
CC
IH
IL
OH
OL
IN
= T
MIN
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at
to T
PARAMETER
Positive Supply Voltage
Supply Current
Short-Circuit Current Low
Short-Circuit Current High
Output Impedance to GND
Voltage Output Slew Rate
Voltage Output Settling Time
Digital Feedthrough
Digital Input High Voltage
Digital Input Low Voltage
Digital Output High Voltage
Digital Output Low Voltage
Digital Input Leakage
Digital Input Capacitance
D
D
CLK High Time
CLK Low Time
LOAD Pulse Width
LSB CLK to LOAD
LOAD High to CLK
D
Maximum Clock Frequency
IN
IN
OUT
MAX
Valid to CLK Setup
Valid to CLK Hold
Output Delay
. V
CC
= 4.75V to 15.75V, internal or external reference (2.475V V
CONDITIONS
For Specified Performance
4.75V V
4.75V V
V
V
Input Code = 0
5k in Parallel with 100pF
To 1/2LSB, 5k in Parallel with 100pF, V
(Notes 2,3)
I
I
V
(Note 2)
C
OUT
OUT
OUT
OUT
IN
LOAD
= GND to V
= –1mA, D
= 1mA, D
Shorted to GND
Shorted to V
= 15pF
CC
CC
OUT
5.25V
15.75V
CC
OUT
CC
Only
Only
Note 3: DAC switched from all 1s to all 0s, and all 0s to all 1s code.
Note 4: Guaranteed with internal V
2.475V to 12V. Tested at 10V.
CC
= 4.75V
REF
V
CC
– 2.7V), unless otherwise noted.
V
CC
MIN
4.75
100
350
350
150
1.0
2.4
0.4
25
35
REF
0
0
– 1
or with external V
TYP
350
800
250
50
15.75
MAX
1500
600
500
150
LTC1257
0.8
1.4
60
60
10
REF
6
10
range of
UNITS
3
V/ s
nV/s
MHz
mA
mA
pF
ns
ns
ns
ns
ns
ns
ns
ns
V
A
A
V
V
V
V
A
s