LTC1454CS Linear Technology, LTC1454CS Datasheet - Page 4

• Manufacturer Part Number: LTC1454CS
• Description: IC D/A CONV 12BIT R-R DUAL16SOIC
• Manufacturer: Linear Technology

Specifications of LTC1454CS

• Settling Time: 14µs
• Number Of Bits: 12
• Data Interface: Serial
• Number Of Converters: 2
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 3.5mW
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC1454/LTC1454L
TYPICAL PERFORMANCE CHARACTERISTICS
4
4.110
4.105
4.100
4.095
4.090
4.085
4.080
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
–55
0
LTC1454
Differential Nonlinearity
LTC1454 Minimum Output
Voltage vs Output Sink Current
LTC1454 Full-Scale Voltage vs
Temperature
0
REFLO = GND
X1/X2 = GND
512
–25
5
OUTPUT SINK CURRENT (mA)
1024
TEMPERATURE ( C)
10
5
1536
125 C
2048 2560
CODE
15
35
20
65
3072 3584 4095
25 C
W
–55 C
25
95
1454 G04
1454 G02
1454 G08
U
125
30
–0.4
–0.8
–1.2
–1.6
–2.0
760
750
740
730
720
710
700
690
2.0
1.6
1.2
0.8
0.4
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
–55
10
LTC1454
Integral Nonlinearity
LTC1454 Output Swing vs
Load Resistance
0
LTC1454
Supply Current vs Temperature
REFLO = GND
X1/X2 = GND
512
–25
1024
LOAD RESISTANCE ( )
TEMPERATURE ( C)
100
V
V
V
5
1536
CC
CC
CC
= 4.5V
= 5.5V
= 5V
CODE
2048 2560
35
65
1k
3072 3584 4095
R
L
95
1454 G05
1454 G01
1454 G07
125
10k
2.6
2.1
1.6
1.1
0.6
1.0
0.8
0.6
0.4
0.2
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
10
0
0
Minimum Supply Headroom for
Full Output Swing vs Load Current
LTC1454 Output Swing vs
Load Resistance
LTC1454 Supply Current vs
Logic Input Voltage
REFLO = GND
CODE: ALL 1's
V
0.5
X1/X2 = GND
V
OUT
OUT
5
1.0
= 4.095V
LOGIC INPUT VOLTAGE (V)
< 1LSB
LOAD RESISTANCE ( )
LOAD CURRENT (mA)
1.5
100
10
2.0 2.5
15
3.0 3.5 4.0
V
20
CC
1k
REFLO = GND
X1/X2 = GND
R
L
25
1454 G09
1458 G06
4.5 5.0
1454 G03
10k
30