參數(shù)資料
型號: MAX9920ASA+T
廠商: Maxim Integrated Products
文件頁數(shù): 14/18頁
文件大?。?/td> 0K
描述: IC AMP CURRENT SENSE 8SOIC
標(biāo)準(zhǔn)包裝: 2,500
放大器類型: 電流檢測
電路數(shù): 1
輸出類型: 滿擺幅
轉(zhuǎn)換速率: 1.5 V/µs
-3db帶寬: 230kHz
電流 - 輸入偏壓: 175µA
電壓 - 輸入偏移: 480µV
電流 - 電源: 1mA
電流 - 輸出 / 通道: 44mA
電壓 - 電源,單路/雙路(±): 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: *
封裝/外殼: *
供應(yīng)商設(shè)備封裝: *
包裝: *
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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