参数资料
型号: AD7280AWBSTZ
厂商: Analog Devices Inc
文件页数: 3/48页
文件大小: 0K
描述: IC BATT MON LI-ION AUTO 48LQFP
标准包装: 1
功能: 电池监控器,过压/欠压保护
电池化学: 锂离子(Li-Ion)
电源电压: 8 V ~ 30 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 托盘

AD7280A
SPECIFICATIONS
V DD = 8 V to 30 V, V SS = 0 V, DV CC = AV CC = V REG , V DRIVE = 2.7 V to 5.5 V, T A = ?40°C to +105°C, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DC ACCURACY (VIN0 TO VIN6) 1
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Offset Error Match
Gain Error
Gain Error Match
ADC Unadjusted Error 2, 3
12
±1
±0.8
±1
1
±1
1
±1.2
Bits
LSB
LSB
LSB
LSB
LSB
LSB
mV
No missing codes
Total Unadjusted Error 4, 5
±1.6
±9
±10
±14.5
mV
mV
mV
V IN range 6 = 1 V to 4.1 V, ?10°C to +85°C
V IN range 6 = 1 V to 4.1 V, ?40°C to +85°C
V IN range 6 = 1 V to 4.1 V, ?40°C to +105°C
CELL VOLTAGE INPUTS (VIN0 TO VIN6)
Pseudo Differential Input Voltage
VIN(x) ? VIN(x ? 1)
Absolute Input Voltage
Common-Mode Input Voltage
Static Leakage Current 7
1
V CM ? V REF
0.5
±5
2 × V REF
V CM + V REF
27.5
±70
V
V
V
nA
Dynamic Leakage Current 7
Input Capacitance
15
±3
nA
pF
CNVST pulse every 100 ms
DC ACCURACY (AUX1 TO AUX6) 1, 8
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Offset Error Match
Gain Error
Gain Error Match
ADC Unadjusted Error 9
12
±1
±0.8
±2
2
±2
2
±1.2
Bits
LSB
LSB
LSB
LSB
LSB
LSB
mV
No missing codes
Total Unadjusted Error 10
±1.6
±20
±22
mV
mV
?40°C to +85°C
?40°C to +105°C
AUXILIARY ADC INPUTS (AUX1 TO AUX6)
Input Voltage Range
Static Leakage Current 7
0
±15
2 × V REF
V
nA
Dynamic Leakage Current 7
Input Capacitance
15
±3
nA
pF
CNVST pulse every 100 ms
REFERENCE
Reference Voltage
2.494
2.5
2.506
V
?40°C to +85°C
Reference Voltage Temperature
2.494
2.5
±3
2.509
±15
V
ppm/°C
?40°C to +105°C
?40°C to +85°C
Coefficient
±11
ppm/°C
?40°C to +105°C
Output Voltage Hysteresis
Long-Term Drift
50
150
ppm
ppm/1000
?40°C to +105°C
hours
Line Regulation
±5
ppm/V
Turn-On Settling Time 11, 12
5.5
10
ms
V REG = 1 μF, V REF = 1 μF, C REF = 100 nF
Rev. 0 | Page 3 of 48
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