LTC1458CSW Linear Technology, LTC1458CSW Datasheet - Page 4

• Manufacturer Part Number: LTC1458CSW
• Description: IC D/A CONV 12BIT R-R QUAD28SOIC
• Manufacturer: Linear Technology

Specifications of LTC1458CSW

• Settling Time: 14µs
• Number Of Bits: 12
• Data Interface: Serial
• Number Of Converters: 4
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 5.5mW
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC1458/LTC1458L
TYPICAL PERFOR A CE CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Nonlinearity is defined from the first code that is greater than or
equal to the maximum offset specification to code 4095 (full scale).
4
1000
–0.1
–0.2
–0.3
–0.4
–0.5
900
800
700
600
500
400
300
200
100
0.1
0.5
0.4
0.3
0.2
0.1
0
0
LTC1458
Differential Nonlinearity (DNL)
0
Minimum Output Voltage vs
Output Sink Current
REFLO = GND
X1/X2 = GND
512
5
OUTPUT SINK CURRENT (mA)
1024
10
1536
125 C
CODE
2048 2560
15
20
3072 3584 4095
25 C
–55 C
W
25
1458 G04
1458 G09
U
30
–0.4
–0.8
–1.2
–1.6
–2.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
2.0
1.6
1.2
0.8
0.4
0
0
10
LTC1458
Integral Nonlinearity (INL)
0
Output Swing vs Load Resistance
512
1024
LOAD RESISTANCE ( )
100
1536
CODE
2048 2560
Note 3: Load is 5k in parallel with 100pF.
Note 4: DAC switched between all 1s and the code corresponding to V
for the part.
Note 5: Digital inputs at 0V or V
REFLO = GND
X1/X2 = GND
DAC CODE = FFF
1k
3072 3584 4095
R
L
1458 G05A
1458 G08
H
10k
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1.4
1.2
1.0
0.8
0.6
0.4
0.2
CC
0
0
10
0
.
Minimum Supply Headroom for
Full Output Swing vs Load Current
Output Swing vs Load Resistance
REFLO = GND
X1/X2 = GND
CODE: ALL 1's
V
V
OUT
OUT
= 4.095V
5
< 1LSB
LOAD RESISTANCE ( )
LOAD CURRENT (mA)
100
10
15
REFLO = GND
X1/X2 = GND
DAC CODE = OOO
V
CC
20
1k
R
L
25
1458 G06A
1458 G03
OS
H
10k
30