参数资料
型号: LTC6803IG-1#TRPBF
厂商: Linear Technology
文件页数: 6/40页
文件大小: 0K
描述: IC MONITOR BATT STACK 44-SSOP
标准包装: 2,000
功能: 电池监控器,过压/欠压保护
电池化学: 多化学成分,超级电容器
电源电压: 4 V ~ 55 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 44-FSOP(0.209",5.30mm 宽)
供应商设备封装: 44-SSOP
包装: 带卷 (TR)
LTC6803-1/LTC6803-3
TYPICAL PERFORMANCE CHARACTERISTICS
Cell 12 Measurement Error vs V +
Cell Voltage Measurement Error
vs Common Mode Voltage
Cell Measurement Error
vs Cell Voltage
100
T A = 25°C
V CELL = 3.3V
2
0
1000
ALL OTHER CELLS = 3V
–2
100
10
–4
–6
10
CELL6
1
0.1
–0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0
V + – V C12 (V)
–8
–10
–12
–14
0
V CELL = 3.6V
T A = 25°C
CELL2 ERROR vs V C1
CELL3 ERROR vs V C2
CELLn ERROR VS V Cn–1 ,
n = 4 TO 12
1 2 3 4
COMMON MODE VOLTAGE (V)
5
1
0.1
–1.0 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0
V IN CELL6 (V)
680313 G04
Cell 1 Voltage Measurement Error
vs Temperature
680313 G05
Cell 2 Voltage Measurement Error
vs Temperature
680313 G06
Cell 3 to Cell 12 Voltage
Measurement Error vs Temperature
1.75
1.00
0.25
V CELL = 0.8V
V + = 9.6V
4 SAMPLES
2.50
1.75
1.00
V CELL = 0.8V
V + = 9.6V
4 SAMPLES
1.75
1.00
0.25
0.25
–0.50
–0.50
–0.50
V CELL = 0.8V
–1.25
–2.00
–50 –30 –10 10
30
50
70
90 110 130
–1.25
–2.00
–50 –30 –10 10
30
50
70
90 110 130
–1.25
V + = 9.6V
4 SAMPLES
–2.00
–50 –30 –10 10
30
50
70
90 110 130
TEMPERATURE (°C)
Measurement Gain Error
Hysteresis
680313 G07
TEMPERATURE (°C)
Measurement Gain Error
Hysteresis
680313 G08
TEMPERATURE (°C)
680313 G09
Cell Measurement Common Mode
Rejection
25
20
15
10
T A = 85°C TO 25°C
20
18
16
14
12
10
8
T A = –45°C TO 25°C
0
V CM(IN) = 5V P-P
72dB REJECTION
–10 CORRESPONDS TO
LESS THAN 1 BIT
–20 AT ADC OUTPUT
–30
–40
6
–50
5
4
2
–60
0
–250 –200 –150 –100 –50
0
50 100 150 200
0
–250 –200 –150 –100 –50
0
50 100 150 200
–70
10
100
1k
10k
100k
1M
10M
CHANGE IN GAIN ERROR (ppm)
680313 G10
CHANGE IN GAIN ERROR (ppm)
680313 G11
FREQUENCY (Hz)
680313 G12
680313fa
6
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