ST7263BK1 STMicroelectronics, ST7263BK1 Datasheet - Page 163

• Manufacturer Part Number: ST7263BK1
• Description: LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 32K FLASH/ROM, DFU CAPABILITY, 8-BIT ADC, WDG, TIMER, SCI and I2C
• Manufacturer: STMicroelectronics

Specifications of ST7263BK1

• 4, 8, 16 Or 32 Kbytes Program Memory: high density Flash (HDFlash), FastROM or ROM with Read-Out and Write protection

ST7263Bxx
Figure 77. Typical application with ADC
Table 79.
1. Data based on characterization results over the whole temperature range, not tested in production.
2. Data based on characterization results, to guarantee 99.73% within ± max value from 0 to 70 °C ( ± 3s
3. ADC Accuracy vs. Negative Injection Current:
Symbol
|E
|E
|E
|E
|E
distribution limits).
For I
a loss of 1 LSB for each 10K
accuracy has been observed under worst-case conditions for injection:
- negative injection
- injection to an input with analog capability, adjacent to the enabled Analog input
- at 5V V
T
O|
G|
D
L
|
|
|
INJ-
Total unadjusted error
Offset error
Gain Error
Differential linearity error
Integral linearity error
=0.8mA, the typical leakage induced inside the die is 1.6µA and the effect on the ADC accuracy is
V
V
DD
AIN
DD
ADC accuracy with V
supply, and worst case temperature.
0.1
R
AIN
(3)
μ
(3)
F
Parameter
Ω
AINx
V
V
increase of the external analog source impedance. This effect on the ADC
DDA
SSA
(3)
(3)
Doc ID 7516 Rev 8
(3)
C
~2pF
DD
IO
=5 V, f
V
DD
CPU
V
0.6V
V
0.6V
T
T
= 8 MHz, f
I
±1μA
L
Typ
1.5
0.5
0.5
1
1
ADC
=4 MHz, R
Electrical characteristics
ADC
AIN
ST72XXX
Max
< 10 κΩ
1.5
1.5
1.5
2
1
(1)(2)
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