参数资料
型号: LT1999MPS8-50#PBF
厂商: Linear Technology
文件页数: 3/24页
文件大小: 0K
描述: IC AMP CURR SENSE HV 8-MSOP
标准包装: 100
放大器类型: 电流检测
电路数: 1
输出类型: 带缓冲
转换速率: 3 V/µs
-3db带宽: 1.2MHz
电流 - 输入偏压: 137.5µA
电压 - 输入偏移: 500µV
电流 - 电源: 5.8mA
电流 - 输出 / 通道: 40mA
电压 - 电源,单路/双路(±): 4.5 V ~ 5.5 V
工作温度: -55°C ~ 150°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 管件
LT1999-10/LT1999-20/
LT1999-50
11
1999fb
Typical perForMance characTerisTics
LT1999 Input Referred Noise
Density vs Frequency
FREQUENCY (kHz)
0.001 0.01
0.1
NOISE
DENSIT
Y(nV
/√
Hz
)
1000
100
10
1000
1999 G31
10000
10
1
TEMPERATURE (°C)
–55
I SC
(mA)
40
20
30
10
–20
0
–40
–10
–30
70
20
120
1999 G32
145
45
–5
–30
95
SINKING
SOURCING
TEMPERATURE (°C)
–55
REF
PIN
VOL
TAGE
(V)
3.0
2.5
1.0
2.0
0
1.5
0.5
70
20
120
1999 G33
145
45
–5
–30
95
SHDN MODE
ACTIVE MODE
V+ = 5V
Short-Circuit Current
vs Temperature
REF Open Circuit Voltage
vs Temperature
SHDN Pin Current vs SHDN Pin
Voltage and Temperature
Turn-On/Turn-Off Time
vs SHDN Voltage
VOUT vs VSENSE
I S
(1mA/DIV)
SHDN
PIN
VOL
TAGE
(5V
/DIV)
TIME (1s/DIV)
1999 G35
VSHDN
IS
SHUTDOWN
VCM = 12V
VSENSE (V)
–0.25
V OUT
(V)
6
4
5
1
2
3
–1
–0.05
0.15
1999 G36
0.25
–0.15
0.05
VREF = 2.5V
LT1999-10
LT1999-20
LT1999-50
0
VSHDN (V)
0
I SHDN
(A) –2
–4
–1
0
–3
2
4
5
1999 G34
1
3
TA = 150°C
TA = 25°C
TA = –55°C
V+ = 5V
VCM = 12V
VOUT vs VSENSE Over the Sense
ABSMAX Range
VSENSE (V)
–60
V OUT
(V)
6
4
5
1
2
3
–1
–30
30
1999 G37
60
0
VOUT PHASE REVERSAL FOR VSENSE < –25V
VREF = 2.5V
LT1999-10
LT1999-20
LT1999-50
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