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参数资料
| 型号： | LTC4151IS-2#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/18页 |
| 文件大小： | 435K |
| 描述： | IC CURRENT MONITOR(12BIT) 16SOIC |
| 标准包装： | 2,500 |
| 功能： | 电流监控器（12 位） |
| 检测方法： | 高端 |
| 精确度： | ±1% |
| 输入电压： | 7 V ~ 80 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
LTC4151
4
4151ff
For more information www.linear.com/LTC4151
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INL
Integral Nonlinearity
(SENSE
+
SENSE
)
V
IN
(Note 5)
ADIN
l
l
l
?
?
?.5
?
?
?
LSB
LSB
LSB
s
T
Transition Noise
(SENSE
+
SENSE
)
V
IN
ADIN
1.2
0.3
22
礦
RMS
mV
RMS
礦
RMS
f
CONV
Conversion Rate (Continuous Mode)
l
6
7.5
9
Hz
t
CONV
Conversion Time (Snapshot Mode)
(SENSE
+
SENSE
)
ADIN, V
IN
l
l
53
26
67
33
85
42
ms
ms
R
ADIN
ADIN Pin Input Resistance
ADIN = 3V
l
2
10
MW
I
ADIN
ADIN Pin Input Current
ADIN = 3V
l
?
礎
I
2
C Interface
V
ADR(H)
ADR0, ADR1 Input High Threshold
l
2.3
2.65
3.0
V
V
ADR(L)
ADRO, ADRI Input Low Threshold
l
0.2
0.6
0.9
V
I
ADR(IN)
ADRO, ADRI Input Current
ADR0, ADR1 = 0V or 3V
ADR0, ADR1 = 0.8V or 2.2V
l
l
?
?0
礎
礎
V
SDA(OL)
SDA, SDAO, SDAO Output Low Voltage
I
SDA
, I
SDAO
, I
SDAO
= 8mA
l
0.15
0.4
V
I
SDA,SCL(IN)
SDA, SDAI, SDAO, SDAO, SCL Input
Current
SDA, SDAI, SDAO, SDAO, SCL = 5V
l
0
?
礎
V
SDA,SCL(TH)
SDA, SDAI, SCL Input Threshold
l
1.6
1.8
2
V
V
SDA,SCL(CL)
SDA, SDAI, SCL Clamp Voltage
I
SDA
, I
SDAI
, I
SCL
= 3mA
l
5.5
6.1
6.6
V
I
2
C Interface Timing (Note 4)
f
SCL(MAX)
Maximum SCL Clock Frequency
400
kHz
t
LOW
Minimum SCL Low Period
0.65
1.3
祍
t
HIGH
Minimum SCL High Period
50
600
ns
t
BUF(MIN)
Minimum Bus Free Time Between Stop/
Start Condition
0.12
1.3
祍
t
HD,STA(MIN)
Minimum Hold Time After (Repeated) Start
Condition
140
600
ns
t
SU,STA(MIN)
Minimum Repeated Start Condition Set-Up
Time
30
600
ns
t
SU,STO(MIN)
Minimum Stop Condition Set-Up Time
30
600
ns
t
HD,DATI(MIN)
Minimum Data Hold Time Input
100
0
ns
t
HD,DATO(MIN)
Minimum Data Hold Time Output
300
600
900
ns
t
SU,DAT(MIN)
Minimum Data Set-Up Time Input
30
100
ns
t
SP(MAX)
Maximum Suppressed Spike
Pulse Width
50
110
250
ns
t
RST
Stuck-Bus Reset Time
SCL or SDA/SDAI Held Low
20
33
ms
C
X
SCL, SDA Input Capacitance
5
10
pF
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: Internal clamps limit the SCL, SDA (LTC4151) and SDAI
(LTC4151-1/LTC4151-2) pins to a minimum of 5.5V. Driving these pins to
voltages beyond the clamp may damage the part. The pins can be safely
tied to higher voltages through a resistor that limits the current below
5mA.
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25癈. V
IN
is from 7V to 80V, unless noted. (Note 3)
Note 3: All currents into pins are positive. All voltages are referenced to
GND, unless otherwise noted.
Note 4: Guaranteed by design and not subject to test.
Note 5: Integral nonlinearity and total unadjusted error of V
IN
are tested
between 7V and 80V.
Note 6: Offset error of V
IN
is defined by extrapolating the straight line
measured between 7V and 80V.
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