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TMP512 数据表(PDF) 4 Page - Texas Instruments

部件名 TMP512
功能描述  Temperature and Power Supply System Monitors
PDF  62 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

TMP512 数据表(HTML) 4 Page - Texas Instruments

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TMP512
TMP513
SBOS491A
– JUNE 2010 – REVISED MAY 2011
www.ti.com
ELECTRICAL CHARACTERISTICS: V+ = +12V
Boldface limits apply over the specified temperature range, TA = –40°C to +125°C.
At TA = +25°C, V+ = 12V, VSENSE = (VIN+ – VIN–) = 32mV, PGA = ÷ 1, and BRNG
(1) = 1, unless otherwise noted.
TMP512, TMP513
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT
Current Sense (Input) Voltage Range
PGA =
÷ 1
0
±40
mV
PGA =
÷ 2
0
±80
mV
PGA =
÷ 4
0
±160
mV
PGA =
÷ 8
0
±320
mV
Bus Voltage (Input Voltage) Range(2)
BRNG = 0
0
16
V
BRNG = 1
0
32
V
Common-Mode Rejection
CMRR
VIN+ = 0V to 26V
100
120
dB
Offset Voltage, RTI(3)
VOS
PGA =
÷ 1
±10
±100
μV
PGA =
÷ 2
±20
±125
μV
PGA =
÷ 4
±30
±150
μV
PGA =
÷ 8
±40
±200
μV
vs Temperature
0.2
μV/°C
V+ = 3V to 5.5V, Configuration 3(4)
10
μV/V
vs Power Supply
PSRR
V+ = 4.5V to 26V, subregulator supply
0.1
μV/V
Current Sense Gain Error
±0.04
%
vs Temperature
0.0025
%
Input Impedance
Active Mode
VIN+ Pin
20
μA
VIN– Pin
20 || 320
μA || kΩ
Input Leakage
Power-Down Mode
VIN+ Pin
0.1
0.5
μA
VIN– Pin
0.1
0.5
μA
DC ACCURACY
ADC Basic Resolution
12
Bits
1 LSB Step Size
Shunt Voltage
10
μV
Bus Voltage
4
mV
Current Measurement Error
±0.2
±0.5
%
over Temperature
±1
%
Bus Voltage Measurement Error
±0.2
±0.5
%
over Temperature
±1
%
Differential Nonlinearity
±0.1
LSB
ADC TIMING
ADC Conversion Time
12-Bit
665
733
μs
11-Bit
345
380
μs
10-Bit
185
204
μs
9-Bit
105
117
μs
(1)
BRNG is bit 13 of Configuration Register 1.
(2)
This parameter only expresses the full-scale range of the ADC scaling. In no event should more than 26V be applied to this device.
(3)
Referred-to-input (RTI).
(4)
See Subregulator section.
4
Copyright
© 2010–2011, Texas Instruments Incorporated



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