參數(shù)資料
型號(hào)： ST7FDALIF2M6
廠商： 意法半導(dǎo)體
元件分類： ADC
英文描述： 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI, DALI
中文描述： 8位單電壓閃存存儲(chǔ)器，數(shù)據(jù)EEPROM，模數(shù)轉(zhuǎn)換器，定時(shí)器，SPI和大理微控制器
文件頁數(shù)： 126/141頁
文件大?。?/td> 2175K
代理商： ST7FDALIF2M6
ST7DALI
126/141
ADC CHARACTERISTICS
(Cont’d)
Notes:
1) Data based on characterization results over the whole temperature range, not tested in production.
2) For precise conversion results it is recommended to calibrate the amplifier at the following two points:
– offset at V
INmin
= 0V
– gain at full scale (for example V
IN
=430mV)
3) Monotonicity guaranteed if V
IN
increases or decreases in steps of min. 5mV.
4) Please refer to the Application Note AN1830 for details of TE% vs Vin.
5) Refer to the offset variation in temperature below
Amplifier output offset variation
The offset is quite sensitive to temperature varia-
tions. In order to ensure a good reliability in meas-
urements, the offset must be recalibrated periodi-
cally i.e. during power on or whenever the device
is reset depending on the customer application
and during temperature variation. The table below
gives the typical offset variation over temperature:
Symbol
V
DD(AMP)
Parameter
Conditions
Min
3.6
0
0
Typ
Max
5.5
350
500
Unit
V
Amplifier operating voltage
V
IN
Amplifier input voltage
4)
V
DD
=3.6V
V
DD
=5V
V
DD
=5V
V
DD
=3.6V
V
DD
=5V
mV
V
OFFSET
Amplifier output offset voltage
5)
200
mV
V
STEP
Step size for monotonicity
3)
3.5
4.89
mV
Linearity
Gain factor
Vmax
Vmin
Output Voltage Response
Amplified Analog input Gain
2)
Output Linearity Max Voltage
Output Linearity Min Voltage
Linear
8
V
INmax
= 430mV,
V
DD
=5V
3.65
200
3.94
V
mV
Typical Offset Variation (LSB)
-45
-20
-12
-7
UNIT
°C
LSB
+25
-
+90
+13
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