參數(shù)資料
型號(hào)： MAX472
廠(chǎng)商： Maxim Integrated Products, Inc.
英文描述： Extended Common-mode RS-485 Transceiver 8-PDIP -40 to 85
中文描述： 高精度、高邊電流檢測(cè)放大器
文件頁(yè)數(shù)： 4/12頁(yè)
文件大小： 120K
代理商： MAX472
M
Prec ision, High-S ide
Current-S ense Amplifiers
4
_______________________________________________________________________________________
__________________________________________Typic al Operating Charac teristic s
(Typical Operating Circuit (MAX471) or circuit of Figure 4, RG1 = RG2 = 200
, R
OUT
= 2k
(MAX472), T
A
= +25°C, unless
otherwise noted.)
65
35
SUPPLY CURRENT vs.
SUPPLY VOLTAGE
40
M
V
RS+
(V)
S
μ
A
21 24
15 18
9 12
3
6
27 30 33 36
45
50
55
60
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
2.5
0
0.5
2.0
M
I
S
μ
A
1.5
1.0
SHUTDOWN CURRENT vs.
SUPPLY VOLTAGE
V
RS+
(V)
21 24
15 18
9 12
3
6
27 30 33 36
T
A
= +85°C
T
A
= -40°C
T
A
= +25°C
4
-2
SIGN THRESHOLD vs.
SUPPLY VOLTAGE
-1
M
S
21 24
15 18
V
RS+
(V)
9 12
3
6
27 30 33 36
0
1
2
3
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
0.6
M
O
μ
A
MAX471
NO-LOAD OFFSET CURRENT vs.
SUPPLY VOLTAGE
V
RS+
(V)
MAX471
21 24
15 18
9 12
3
6
27 30 33 36
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
VS+ = VS-
T
A
= -40°C
T
A
= +85°C
T
A
= +25°C
28
-40
80
TEMPERATURE (°C)
R
)
20
30
-20
0
60
40
M
RS+ TORS- RESISTANCE vs.
TEMPERATURE
32
34
36
38
40
-12
0.01
0.10
MAX471
ERROR vs. LOAD CURRENT
M
I
LOAD
(A)
MAX472
E
1
10
-15
-6
-9
-3
0
3
6
9
12
15
I
LOAD
FROM RS+ TO RS-
I
LOAD
FROM RS- TO RS+
40
0.01
10
1000
MAX471
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
M
POWER-SUPPLY FREQUENCY (kHz)
P
1
100
35
30
25
20
15
10
5
0
0.10
V = 0mV TO 50mV
V = 0V TO 1V
V = 0V TO 0.5V
I
LOAD
= 1A
5V
RS+
OUT
GND
RS–
A
1
μ
F
5
V
3.0
0
NO-LOAD OUTPUT ERROR vs.
SUPPLY VOLTAGE
0.5
M
V
CC
(V)
I
O
μ
A
21 24
15 18
9 12
3
6
27 30 33 36
1.0
1.5
2.0
2.5
T
A
= +85°C
T
A
= -40°C
T
A
= +25°C
RG1 = RG2 = 0
0.70
M
E
MAX472
ERROR vs. SUPPLY VOLTAGE
V
CC
(V)
21 24
15 18
9 12
3
6
27 30 33 36
V
RG1
-V
RG2
= 60mV,
RG1 = RG2 = 200
0.80
0.90
1.00
1.10
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4720ELT+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX4720ELT+T 功能描述:模擬開(kāi)關(guān) IC Single-Supply SPDT Analog Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX4720ELT+TG104 功能描述:模擬開(kāi)關(guān) IC Single-Supply SPDT Analog Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX4720EYT+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX4720EYT+T 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
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