ST7265XEVALMS STMicroelectronics, ST7265XEVALMS Datasheet - Page 149

• Manufacturer Part Number: ST7265XEVALMS
• Manufacturer: STMicroelectronics

Specifications of ST7265XEVALMS

• Lead Free Status / Rohs Status: Supplier Unconfirmed

13.12 8-BIT ADC CHARACTERISTICS
Subject to general operating conditions for V
Figure 93. Typical Application with ADC
Notes:
1. When V
2. Any added external serial resistor will downgrade the ADC accuracy (especially for resistance greater than 10kΩ). Data
based on characterization results, not tested in production.
3. The stabilization time of the AD converter is masked by the first t
always valid.
Symbol
C
t
R
f
V
t
STAB
ADC
ADC
ADC
AIN
AIN
DDA
ADC clock frequency
Conversion range voltage
External input resistor
Internal sample and hold capacitor
Stabilization time after ADC enabled
Conversion time (Sample+Hold)
- Sample capacitor loading time
- Hold conversion time
V
V
and V
AIN
DD
SSA
Parameter
0.1
pins are not available on the pinout, the ADC refer to V
R
AIN
µ
F
1)
AINx
V
V
DDA
SSA
f
CPU
C
~2pF
DD
IO
=8MHz, f
, f
OSC
Conditions
V
, and T
DD
ADC
V
0.6V
V
0.6V
T
T
=2MHz
A
LOAD
unless otherwise specified.
. The first conversion after the enable is then
I
±1µA
L
V
Min
DD
SSA
and V
SS
Typ
0
.
6
6
4
8
ADC
3)
V
10
Max
DDA
4
2)
ST72XXX
ST7265x
149/163
1/f
Unit
MHz
kΩ
pF
µs
V
ADC