参数资料
型号: MAX9919NASA+T
厂商: Maxim Integrated Products
文件页数: 14/18页
文件大小: 0K
描述: IC AMP CURRENT SENSE 8SOIC
标准包装: 2,500
放大器类型: 电流检测
电路数: 1
输出类型: 满摆幅
转换速率: 3 V/µs
-3db带宽: 120kHz
电流 - 输入偏压: 175µA
电压 - 输入偏移: 400µV
电流 - 电源: 1mA
电压 - 电源,单路/双路(±): 4.5 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm Width)裸露焊盘
供应商设备封装: 8-SOICN 裸露焊盘
包装: 带卷 (TR)
MAX9918/MAX9919/MAX9920
-20V to +75V Input Range, Precision
Uni-/Bidirectional, Current-Sense Amplifiers
5
Maxim Integrated
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 5V, VRS+ = VRS- = +14V, VSENSE = (VRS+ - VRS-) = 0V, VSHDN = VGND = 0V, VREFIN = VCC/2, RL = 100kΩ; for MAX9918, AV =
90V/V, R2/R1 = 89k
Ω/1kΩ; for MAX9920, AV = 20V/V, R2/R1 = 79kΩ/1kΩ; TA = -40°C to +125°C, unless otherwise noted. Typical val-
ues are at TA = +25°C.) (Note 1)
PARAMETERS
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX9918, MAX9919_
0V
≤ VREFIN ≤ (VCC
- 1.9V)
82
103
REFIN Common-Mode Rejection
Ratio
REFINCMRR
MAX9920
0V
≤ VREFIN ≤ (VCC
- 2.4V)
75
90
dB
MAX9918, MAX9919_, VRS+ = VRS- = ±50mV
±100
REFIN Current
IREFIN
MAX9920, VRS+ = VRS- = ±200mV
±100
μA
SHDN Logic-High
VIH
2.0
V
SHDN Logic-Low
VIL
0.8
V
SHDN Logic Input Current
0
≤ VSHDN ≤ VCC
5μA
Supply Voltage Range
VCC
Inferred from PSRR test
4.5
5.5
V
MAX9918, MAX9919_
4.5V
≤ VCC ≤ 5.5V
74
103
Power-Supply Rejection Ratio
(Note 3)
PSRR
MAX9920
4.5V
≤ VCC ≤ 5.5V
68
100
dB
TA = +25°C
0.7
1.2
VRS+ = VRS- = +14V
TA = -40°C to +125°C
1.5
TA = +25°C
1.0
1.6
Supply Current
ICC
VRS+ = VRS- = -2V
TA = -40°C to +125°C
2.2
mA
Shutdown Supply Current
ICC_SHDN
VSHDN = VCC = 5V
0.5
10
μA
MAX9918, VSENSE = 50mV
75
MAX9919F, VSENSE = 50mV
250
MAX9919N, VSENSE = 50mV
120
Small Signal -3dB Bandwidth
BW
MAX9920, VSENSE = 200mV
230
kHz
MAX9918
0.6
MAX9919F
0.9
MAX9919N
3.0
Slew Rate
SR
MAX9920
1.5
V/μs
VSENSE = 5mV to 50mV step
12
MAX9918
VSENSE = 50mV to 5mV step
7
VSENSE = 5mV to 50mV step
3.5
MAX9919F
VSENSE = 50mV to 5mV step
2.5
VSENSE = 5mV to 50mV step
3.5
MAX9919N
VSENSE = 50mV to 5mV step
3
VSENSE = 20mV to 200mV step
5
1% Settling Time from VSENSE
Step
MAX9920
VSENSE = 200mV to 20mV step
3
μs
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