LTC6803IG データシートの表示（PDF） - Linear Technology
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LTC6803IG Datasheet PDF : 40 Pages
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LTC6803-1/LTC6803-3
TYPICAL PERFORMANCE CHARACTERISTICS
Cell 12 Measurement Error vs V+
100
TA = 25°C
VCELL = 3.3V
10
1
0.1
–0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0
V+ – VC12 (V)
680313 G04
Cell 1 Voltage Measurement Error
vs Temperature
1.75
VCELL = 0.8V
V+ = 9.6V
4 SAMPLES
1.00
0.25
–0.50
–1.25
–2.00
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
680313 G07
Measurement Gain Error
Hysteresis
25
TA = 85°C TO 25°C
20
15
10
5
0
–250–200–150–100 –50 0 50 100 150 200
CHANGE IN GAIN ERROR (ppm)
680313 G10
Cell Voltage Measurement Error
vs Common Mode Voltage
2
0
–2
–4
–6
–8
–10
–12
–14
0
VCELL = 3.6V
TA = 25°C
CELL2 ERROR vs VC1
CELL3 ERROR vs VC2
CELLn ERROR VS VCn–1,
n = 4 TO 12
1
2
3
4
5
COMMON MODE VOLTAGE (V)
680313 G05
Cell 2 Voltage Measurement Error
vs Temperature
2.50
VCELL = 0.8V
V+ = 9.6V
1.75
4 SAMPLES
1.00
0.25
–0.50
–1.25
–2.00
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
680313 G08
Measurement Gain Error
Hysteresis
20
TA = –45°C TO 25°C
18
16
14
12
10
8
6
4
2
0
–250–200–150–100 –50 0 50 100 150 200
CHANGE IN GAIN ERROR (ppm)
680313 G11
Cell Measurement Error
vs Cell Voltage
1000 ALL OTHER CELLS = 3V
100
10
CELL6
1
0.1
–1.0 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0
VIN CELL6 (V)
680313 G06
Cell 3 to Cell 12 Voltage
Measurement Error vs Temperature
1.75
1.00
0.25
–0.50
–1.25 VCELL = 0.8V
V+ = 9.6V
4 SAMPLES
–2.00
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
680313 G09
Cell Measurement Common Mode
Rejection
0
VCM(IN) = 5VP-P
72dB REJECTION
–10 CORRESPONDS TO
LESS THAN 1 BIT
–20 AT ADC OUTPUT
–30
–40
–50
–60
–70
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
680313 G12
680313f
6
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