ST92185B STMicroelectronics, ST92185B Datasheet - Page 171

• Manufacturer Part Number: ST92185B
• Description: 16k/24k/32k Rom Hcmos Mcu With On-screen-display
• Manufacturer: STMicroelectronics

AC ELECTRICAL CHARACTERISTICS (Cont’d)
A/D CONVERTER, EXTERNAL TRIGGER TIMING TABLE
(
A/D CONVERTER. ANALOG PARAMETERS TABLE
(
Notes: (*)
V
V
T
T
T
T
T
T
T
T
Analog Input Range
Conversion Time Fast/Slow
Sample Time Fast/Slow
Power-up Time
Resolution
Differential Non Linearity
Integral Non Linearity
Absolute Accuracy
Input Resistance
Hold Capacitance
DD
DD
low
high
ext
str
low
high
ext
str
Symbol
= 5V +/-10%;
= 5V +/-10%;
(**) ’LSBs’ , as used here, as a value of
(1)
(2)
(3)
(4)
The values are expected at 25 Celsius degrees with
@ 24 MHz external clock
including Sample time
it must be considered as the on-chip series resistance before the sampling capacitor
DNL ERROR= max {[V(i) -V(i-1)] / LSB-1}
ABSOLUTE ACCURACY= overall max conversion error
Pulse Width
Pulse Distance
Period/fast Mode
Start Conversion Delay
Pulse Width
Pulse Distance
Period/fast Mode
Start Conversion Delay
T
T
Parameter
A
A
= 0 to 70°C; unless otherwise specified
= 0 to 70°C; unless otherwise specified))
Parameter
Core Clock issued by Timing Controller
V
DD
/256
OSCIN divide by
2;min/max
INL ERROR= max {[V(i) -V(0)] / LSB-i}
ST92185B - ELECTRICAL CHARACTERISTICS
V
typ (*)
DD
8
3
4
2
= 5V
51.5/87.5
by 1; min/max
OSCIN divide
78/138
Value
min
V
60
SS
max
1.92
V
1.5
5
5
3
DD
INTCLK
INTCLK
78+1
min
1.5
0.5
Value
INTCLK
INTCLK
Kohm
LSBs
LSBs
LSBs
Unit
bits
(**)
pF
µs
V
max
1.5
INTCLK
171/178
Note
(1,2)
(1)
(4)
(4)
(4)
(3)
Unit
ns
ns
µs
ns
ns
µs
ns