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LTC2992 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC2992
Description  Dual Wide Range Power Monitor
PDF  46 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2992 Datasheet(HTML) 4 Page - Linear Technology

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LTC2992
4
Rev A
For more information www.analog.com
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ISENSE+(LO)
0V SENSE+ Source Current
SENSE+, SENSE− = 0V, VDD = 48V
Shutdown
l
l
–10
–1
µA
µA
ISENSE−(LO)
0V SENSE− Source Current
SENSE+, SENSE− = 0V, VDD = 48V
Shutdown
l
l
–5
–1
µA
µA
ADC
RES
Resolution (No Missing Codes)
(Note 5)
NADC[7] = 1
NADC[7] = 0
l
l
8
12
Bits
Bits
VFS
Full-Scale Voltage
∆SENSE (Note 6)
SENSE+
GPIO
l
l
l
50.9
102
2.042
51.2
102.4
2.048
51.5
102.8
2.054
mV
V
V
LSB
LSB Step Size
8-Bit Mode
∆SENSE
SENSE+
GPIO
200
400
8
µV
mV
mV
LSB Step Size
12-Bit Mode
∆SENSE
SENSE+
GPIO
12.5
25
0.5
µV
mV
mV
TUE
Total Unadjusted Error (Note 7)
8-Bit Mode
∆SENSE
SENSE+
GPIO
l
l
l
±0.8
±0.8
±0.8
%
%
%
Total Unadjusted Error
12-Bit Mode
∆SENSE
SENSE+
GPIO
l
l
l
±0.6
±0.4
±0.3
%
%
%
VOS
Offset Error
8-Bit Mode
∆SENSE, SENSE+, GPIO
l
±1
LSB
Offset Error
12-Bit Mode
∆SENSE (C-, I-Grade)
∆SENSE (H-Grade)
SENSE+
GPIO
l
l
l
l
±2.1
±3.1
±1.5
±1.1
LSB
LSB
LSB
LSB
INL
Integral Nonlinearity
8-Bit Mode
∆SENSE, SENSE+, GPIO
l
±1
LSB
Integral Nonlinearity
12-Bit Mode
∆SENSE
SENSE+, GPIO
l
l
±3.5
±2
LSB
LSB
σT
Transition Noise
∆SENSE
SENSE+
GPIO
0.5
0.3
5
µVRMS
mVRMS
µVRMS
tCONV
Conversion Time (Snapshot Mode)
8-Bit Mode
∆SENSE
SENSE+, GPIO
l
l
3.9
0.97
4.1
1.02
4.3
1.08
ms
ms
Conversion Time (Snapshot Mode)
12-Bit Mode
∆SENSE
SENSE+, GPIO
l
l
62.4
15.6
65.6
16.4
68.8
17.2
ms
ms
GPIO
VGPIO(TH)
GPIO Pin Input Threshold
VGPIO Rising
l
1.13
1.23
1.33
V
VGPIO(OL)
GPIO Pin Output Low Voltage
IGPIO = 8mA
l
0.15
0.4
V
IGPIO
GPIO Pin Input Current
VDD = 48V, GPIO = 3V
l
0
±1
A
I2C Interface (VDD = 48V)
VADR(H)
ADR0, ADR1 Input High Threshold
l
1.8
2.4
2.7
V
VADR(L)
ADR0, ADR1 Input Low Threshold
l
0.3
0.6
0.9
V
IADR(IN)
ADR0, ADR1 Input Current
ADR0, ADR1 = 0V, 3V
l
±13
A
IADR(IN,Z)
Allowable Leakage When Open
l
±7
A
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at TA = 25°C. VDD is from 3V to 100V unless otherwise noted. (Note 2)



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