參數(shù)資料
型號(hào)： ST52X420
廠商： 意法半導(dǎo)體
元件分類： ADC
英文描述： 8-BIT INTELLIGENT CONTROLLER UNIT (ICU) Three Timer/PWMs, ADC, WDG
中文描述： 8位智能控制器病房（ICU）3個(gè)定時(shí)器/的PWM，ADC的，水分散粒劑
文件頁(yè)數(shù)： 67/84頁(yè)
文件大?。?/td> 1274K
代理商： ST52X420
ST52T410/ST52T420/E420
67/84
Table 11.1 Voltage Characteristics
Symbol
Ratings
Maximum Value
Unit
V
DD
-V
SS
Supply voltage
6.5
V
V
DDA
-V
SSA
|
V
DDA
|
and
|
V
SSA
|
|
V
SSA
-V
SSX
|
Analog reference voltage(V
DD
≥
V
DDA
)
6.5
Variation between different digital power pins
50
mV
Variation between digital and analog ground pins
50
V
IN
Input voltage on Vpp
V
SS
-0.3 to 13
V
Input voltage on any other pin
1) & 2)
V
SS
-0.3 to V
DD
+0.3
V
DESD
Electro-static discharge voltage
2000
Table 11.2 Current Characteristics
Symbol
Ratings
Maximum Value
Unit
I
VDD
Total current in V
DD
power lines (source)
3)
Total current in V
SS
ground lines (sink)
3)
Standard Output Source Sink current
100
mA
I
VSS
100
I
IO
±
16
I
INJ(PIN)
Injected current on V
PP
pin
±
5
Injected current on RESET pin
±
5
Injected current on OSCin and OSCout pins
±
5
Injected current on any other pin
4)
±
5
Σ
I
INJ(PIN)
Total Injected current (sum of all I/O and control
pins)
4)
±
20
Table 11.3 Thermal Characteristics
Symbol
Ratings
Maximum Value
Unit
T
A
Operating temperature
-25 to +85
°
C
T
STG
Storage temperature range
-65 to +150
°
C
T
J
Maximum junction temperature
150
°
C
Notes:
1. Connecting RESET and I/O Pins directly to V
DD
or V
SS
could damage the device if the unintentional internal reset is generated
or an unexpected change of I/O configuration occurs (for example, due to the corrupted program counter). In order to guarantee
safe operation, this connection has to be performed via a pull-up or pull-down resistor (typical: 4.7k
for RESET, 10K
for I/Os).
Unused I/O pins must be tied in the same manner to V
DD
or V
SS
according to their reset configuration.
2. When the current limitation is not possible, the VIN absolute maximum rating must be respected, otherwise refer to I
INJ(PIN)
specification. A positive injection is induced by V
IN
>V
DD
while a negative injection is induced by V
IN
<V
SS
to I
INJ(PIN)
specification.
A positive injection is VIN>VDD while a negative injection is induced by V
IN
<V
SS
.
3. All power (V
DD
) and ground (V
SS
) lines must always be connected to the external supply.
4. When several inputs are submitted to a current injection, the maximum
Σ
I
INJ(PIN)
is the absolute sum of the positive and negative
injected currents (instantaneous values).
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