Pentek 6210 Operating Manual page 157

Pentek dual a/d converter and digital receiver vim module for pentek vim motherboards
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TYPICAL PERFOR A CE CHARACTERISTICS
LTC1451
Supply Current vs Logic Input
Voltage
1.15
ALL DIGITAL INPUTS
1.05
TIED TOGETHER
0.95
0.85
0.75
0.65
0.55
0.45
0.35
0
0.5
1.0 1.5
2.0
2.5
3.0
LOGIC INPUT VOLTAGE (V)
LTC1451
Offset Voltage vs Temperature
900
800
700
600
500
400
300
–55
–25
5
35
65
TEMPERATURE (°C)
LTC1452
Total Harmonic Distortion + Noise
vs Frequency
–40
V
CC
V
IN
–50
V
OUT
–60
–70
–80
–90
–100
50
100
LTC1451
Output Swing vs Load Resistance
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
3.5
4.0
4.5
5.0
10
1451/2/3 G04
LTC1451
Differential Nonlinearity (DNL)
0.5
0.0
–0.5
0
512
95
125
1451/2/3 G07
= 5V
= 2V
P-P
= 4V
P-P
1k
10k
100k
FREQUENCY (Hz)
1451/2/3 G08
FULL SCALE
R
TIED TO GND
L
V
= 5V
CC
ZERO SCALE
R
TIED TO V
L
CC
100
1k
10k
LOAD RESISTANCE (Ω)
1451/2/3 G05
1024
1536
2048 2560
3072 3584 4095
CODE
1451/2/3 TA02
LTC1451
Broadband Output Noise
0.2LSB/DIV
CODE = FFFH
BW = 3Hz TO 1.4MHz
GAIN = 1000
LTC1451
LTC1452/LTC1453
LTC1451
Pull-Down Voltage vs Output Sink
Current Capability
1000
125°C
100
10
–55°C
1
0.1
0.0001
0.001
0.01
0.1
1
OUTPUT SINK CURRENT (mA)
LTC1451
Integral Nonlinearity (INL)
2.0
1.6
1.2
0.8
0.4
0
–0.4
–0.8
V
= 5V
–1.2
CC
INTERNAL REFERENCE
–1.6
T
= 25°C
A
–2.0
0
2048 2560
3072 3584 4095
512
1024
1536
CODE
5ms/DIV
1451/2/3 G10
25°C
10
100
1451/2/3 G06
1451/2/3 G09
5

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