st62t25c STMicroelectronics, st62t25c Datasheet - Page 52

• Manufacturer Part Number: st62t25c
• Description: 8-bit Otp/eprom Mcus With A/d Converter, Oscillator Safeguard, Safe Reset And 28 Pins
• Manufacturer: STMicroelectronics

ST62T15C/T25C/E25C
6.5 A/D CONVERTER CHARACTERISTICS
(T
Notes:
1. Noise at VDD, VSS <10mV
2. With oscillator frequencies less than 1MHz, the A/D Converter accuracy is decreased.
6.6 TIMER CHARACTERISTICS
(T
52/70
Symbol
A
A
Symbol
AC
A
FSR
Res
ZIR
AD
= -40 to +125 C unless otherwise specified)
= -40 to +125 C unless otherwise specified)
TOT
t
C
f
t
IN
IN
W
I
Resolution
Total Accuracy
Conversion Time
Zero Input Reading
Full Scale Reading
Analog Input Current During
Conversion
Analog Input Capacitance
Input Frequency on TIMER Pin
Pulse Width at TIMER Pin
Parameter
(1) (2)
Parameter
f
f
f
f
Conversion result when
V
Conversion result when
V
V
OSC
OSC
OSC
OSC
IN
IN
DD
= V
= V
= 4.5V
Test Conditions
> 1.2MHz
> 32kHz
= 8MHz (T
= 4 MHz
SS
DD
V
V
Test Conditions
A
DD
DD
< 85 C)
= 3.0V
4.5V
Min.
00
Min.
125
1
Value
Typ.
140
70
8
2
Value
Typ.
Max.
1.0
FF
5
2
4
Max.
I
--------- -
INT
4
Unit
LSB
Hex
Hex
Bit
pF
MHz
A
Unit
s
ns
s