ATtiny461A Atmel Corporation, ATtiny461A Datasheet - Page 192

• Manufacturer Part Number: ATtiny461A
• Manufacturer: Atmel Corporation

Specifications of ATtiny461A

• Flash (kbytes): 4 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 16
• Ext Interrupts: 16
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.25
• Eeprom (bytes): 256
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 6
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

Table 19-9.
Notes:
192
Symbol
V
V
AV
A
V
R
R
IN
DIFF
REF
INT
REF
AIN
CC
1. V
ATtiny261A/461A/861A
Parameter
Resolution
Absolute accuracy
(Including INL, DNL, and
Quantization, Gain and Offset
Errors)
Integral Non-Linearity (INL)
(Accuracy after Offset and
Gain Calibration)
Gain Error
Offset Error
Conversion Time
Clock Frequency
Input Voltage
Input Differential Voltage
Input Bandwidth
Analog Supply Voltage
External Voltage Reference
Internal 1.1V Reference
Internal 2.56V Reference
Reference Input Resistance
Analog Input Resistance
ADC Conversion Output
DIFF
ADC Characteristics, Differential Channels (Bipolar Mode). T = -40°C to +85°C
must be below V
REF
.
Gain = 1x / 8x / 20x / 32x
Gain = 1x / 8x
V
ADC clock = 50 - 200 kHz
Gain = 20x / 32x
V
ADC clock = 50 - 200 kHz
Gain = 1x / 8x
V
ADC clock = 50 - 200 kHz
Gain = 20x / 32x
V
ADC clock = 50 - 200 kHz
Gain = 1x / 8x
Gain = 20x / 32x
Gain = 1x / 8x
V
ADC clock = 50 - 200 kHz
Gain = 20x / 32x
V
ADC clock = 50 - 200 kHz
Free Running Conversion
V
REF
REF
REF
REF
REF
REF
CC
> 3.0V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
Condition
CC
CC
CC
CC
CC
CC
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
V
CC
GND
-512
Min
2.0
1.0
2.3
65
50
- 0.3
2.56
Typ
100
1.1
35
8
8
4
5
4
5
3
4
4
AVCC - 1.0
V
V
AV
REF
CC
Max
260
200
511
2.8
1.2
10
CC
/Gain
+ 0.3
(1)
8197C–AVR–05/11
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
kHz
kHz
MΩ
kΩ
µs
V
V
V
V
V
V