LTC1598CG-TR Ver la hoja de datos (PDF) - Linear Technology
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LTC1598CG-TR Datasheet PDF : 24 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC1594/LTC1598
Change in Offset
vs Reference Voltage
3.0
TA = 25°C
VCC = 5V
2.5
fCLK = 320kHz
fSMPL = 16.8kHz
2.0
1.5
1.0
0.5
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
REFERENCE VOLTAGE (V)
1594/98 G04
Change in Gain
vs Reference Voltage
–10
–9
TA = 25°C
VCC = 5V
–8
fCLK = 320kHz
fSMPL = 16.8kHz
–7
–6
–5
–4
–3
–2
–1
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
REFERENCE VOLTAGE (V)
1594/98 G07
Effective Bits and S/(N + D)
vs Input Frequency
12
74
11
68
10
62
9
56
8
50
7
44
6
38
5
4
3 TA = 25°C
2
1
VCC = 5V
fCLK = 320kHz
fSMPL = 16.8kHz
0
1
10
100
INPUT FREQUENCY (kHz)
1000
1594/98 G10
Change in Offset vs Temperature
0
– 0.5
–1.0
–1.5
– 2.0
– 2.5
VCC = VREF = 5V
fCLK = 320kHz
fSMPL = 16.8kHz
– 3.0
– 55 – 35 – 15 5 25 45
TEMPERATURE (°C)
65 85
1594/98 G05
Peak-to-Peak ADC Noise
vs Reference Voltage
2.0
TA = 25°C
VCC = 5V
fCLK = 320kHz
1.5
1.0
0.5
0
1
2
3
4
5
REFERENCE VOLTAGE (V)
1594/98 G08
Spurious Free Dynamic Range
vs Frequency
100
90
80
70
60
50
40
30
20 TA = 25°C
10 VCC = VREF = 5V
fSMPL = 16.8kHz
0
1
10
100
1000
INPUT FREQUENCY (kHz)
1594/98 G11
Change in Linearity
vs Reference Voltage
– 0 .50
– 0 .45
– 0 .40
– 0 .35
TA = 25°C
VCC = 5V
fCLK = 320kHz
fSMPL = 16.8kHz
– 0 .30
– 0 .25
– 0 .20
– 0 .15
– 0 .10
– 0 .05
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
REFERENCE VOLTAGE (V)
1594/98 G06
Differential Nonlinearity vs Code
1.0
0.8
0.6
0.4
0.2
0.0
– 0.2
– 0.4
– 0.6
– 0.8
– 1. 0
0
2048
CODE
4096
1594/98 G09
S/(N + D) vs Input Level
80
TA = 25°C
70 VCC = VREF = 5V
fIN = 1kHz
60 fSMPL = 16.8kHz
50
40
30
20
10
0
– 40
– 30
–20
–10
0
INPUT LEVEL (dB)
1594/98 G12
15948fb
5
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