LTC1450L Linear Technology Corporation, LTC1450L Datasheet - Page 5

• Manufacturer Part Number: LTC1450L
• Description: Ltc1450l - Parallel Input, 12-bit Rail-to-rail Micropower Dacs In Ssop
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
1600
1400
1200
1000
800
600
400
200
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
10
0
0
0
– 55
1
LTC1450L Supply Current
vs Logic Input Voltage
0 0.3 0.6 0.9 1.2
LTC1450 Output Offset Voltage
vs Temperature
Power Supply Rejection
vs Frequency
–35
–15
10
LOGIC INPUT VOLTAGE (V)
TEMPERATURE ( C)
5
FREQUENCY (Hz)
V
100
OUT
25
1.5 1.8 2.1 2.4 2.7 3.0
45
V
ALL LOGIC INPUTS
TIED TOGETHER
1k
CC
REFOUT
65
= 3V
CODE = FFF
W
85 105
10k
1450/50L G07
1450/50L G10
1450/50L G04
U
H
10M
125
–100
– 0.2
–40
–50
–60
–70
–80
–90
0.2
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
100
10
0
LTC1450
Differential Nonlinearity (DNL)
LTC1450 Output Swing
vs Load Resistance
LTC1450 Total Harmonic
Distortion + Noise vs Frequency
V
V
V
CC
REFHI
OUT
512
= 5V
= 4V
= 2V
1024
P-P
LOAD RESISTANCE ( )
P-P
100
1k
FREQUENCY (Hz)
1536
CODE
2048 2560
R
R
L
FULL SCALE
ZERO SCALE
10k
L
TIED TO GND
1k
TIED TO V
3072 3584 4095
V
CC
1450/50L G05
1450/50L G08
1450/50L G11
= 5V
CC
100k
10k
LTC1450/LTC1450L
1000
100
0.1
– 2
10
0.0001
1
2
0
0
LTC1450 Pull-Down Voltage vs
Output Sink Current Capability
LTC1450
Integral Nonlinearity (INL)
LTC1450
Broadband Output Noise
CODE = FFF
X1/X2 = GND
BW = 3Hz to 1.2MHz
TOTAL = 0.35mV
512
0.001
OUTPUT SINK CURRENT (mA)
1024
H
0.01
1536
RMS
5ms/DIV
2048 2560
CODE
0.1
125 C
–55 C
1
3072 3584 4095
25 C
10
1450/50L G06
1450/50L G09
1450/50L G12
5
100