參數(shù)資料
型號(hào)： MSP430F2274MRHAEP
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, RISC MICROCONTROLLER, PQCC40
封裝： GREEN, PLASTIC, MO-220VJJD-2, VQFN-40
文件頁數(shù)： 38/79頁
文件大小： 1274K
代理商： MSP430F2274MRHAEP
www.ti.com
SLAS614C – SEPTEMBER 2008 – REVISED JULY 2010
10-Bit ADC, Linearity Parameters – Electrical Characteristics
(1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TA
VCC
MIN
TYP
MAX
UNIT
EI
Integral linearity error
–55°C to 125°C
2.2 V/3 V
±1
LSB
ED
Differential linearity error
–55°C to 125°C
2.2 V/3 V
±1
LSB
EO
Offset error
Source impedance RS < 100
–55°C to 125°C
2.2 V/3 V
±1
LSB
SREFx = 010, un-buffered external
reference,
–55°C to 125°C
2.2 V
±1.1
±2
VeREF+ = 1.5 V
SREFx = 010; un-buffered external
reference,
–55°C to 125°C
3 V
±1.1
±2
VeREF+ = 2.5 V
EG
Gain error
LSB
SREFx = 011, buffered external
reference(2),
–55°C to 125°C
2.2 V
±1.1
±4
VeREF+ = 1.5 V
SREFx = 011, buffered external
reference (2),
–55°C to 125°C
3 V
±1.1
±3
VeREF+ = 2.5 V
SREFx = 010, unbuffered external
reference,
–55°C to 125°C
2.2 V
±2
±5
VeREF+ = 1.5 V
SREFx = 010, unbuffered external
reference,
–55°C to 125°C
3 V
±2
±5
VeREF+ = 2.5 V
ET
Total unadjusted error
LSB
SREFx = 011, buffered external
reference(2),
–55°C to 125°C
2.2 V
±2
±7
VeREF+ = 1.5 V
SREFx = 011, buffered external
reference(2),
–55°C to 125°C
3 V
±2
±6
VeREF+ = 2.5 V
(1)
2.2V Not Production Tested.
(2)
The reference buffer's offset adds to the gain and total unadjusted error.
Copyright 2008–2010, Texas Instruments Incorporated
43
Product Folder Link(s): MSP430F2274-EP
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