AT89LP51RC2 Atmel Corporation, AT89LP51RC2 Datasheet - Page 236
AT89LP51RC2
Manufacturer Part Number
AT89LP51RC2
Description
Manufacturer
Atmel Corporation
Specifications of AT89LP51RC2
Flash (kbytes)
32 Kbytes
Max. Operating Frequency
20 MHz
Cpu
8051-1C
Max I/o Pins
42
Spi
1
Twi (i2c)
1
Uart
1
Adc Channels
7
Adc Resolution (bits)
10
Adc Speed (ksps)
153.8
Sram (kbytes)
1.375
Self Program Memory
API
Operating Voltage (vcc)
2.4 to 5.5
Timers
4
Isp
SPI/OCD/UART
Watchdog
Yes
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25.10 Dual Analog Comparator Characteristics
The values shown in this table are valid for T
Table 25-8.
Figure 25-16. Analog Reference Voltage Typical Characteristics
25.11 DADC Characteristics
The values shown in these tables are valid for T
Table 25-9.
236
Symbol
V
V
V
V
t
t
Symbol
CMP
AREF
OS
AREF
CM
ΔREF
AT89LP51RB2/RC2/IC2 Preliminary
Parameter
Resolution
Absolute Accuracy (including
INL, DNL, quantization error,
gain and offset error)
Integral Non-Linearity (INL)
DIfferential Non-Linearity
(DNL)
Parameter
Common Mode Input Voltage
Input Offset Voltage
Analog Reference Voltage
Reference Delta Voltage
Comparator Propagation Delay
Reference Settling Time
Dual Analog Comparator Characteristics
ADC Characteristics
1.5
1.4
1.3
1.2
1.1
2.4
2.7
Condition
A
= -40°C to 85°C and V
Condition
V
V
A
DD
IN+
Vcc (V)
= -40°C to 85°C and V
= 3.6V
– V
3.0
IN-
= 20mV; V
DD
3.3
= 2.4V
DD
= 2.4 to 5.5V, unless otherwise noted.
DD
Min
= 2.4 to 5.5V, unless otherwise noted.
3.6
GND
1.23
Min
90
Typical
3
4
4
4
Vref+ 85C
Vref+ 25C
Vref+ -40C
Vref 85C
Vref 25C
Vref -40C
Vref- -40C
Vref- 25C
Vref- 85C
Max
1.36
200
V
120
20
DD
Max
10
3722A–MICRO–10/11
Units
Units
mV
mV
ns
µs
LSB
LSB
LSB
Bits
V
V
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