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PIC16F1938_13 Datasheet, PDF (400/488 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver | |||
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PIC16(L)F1938/9
TABLE 30-10: COMPARATOR SPECIFICATIONS
Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated).
Param
No.
Sym.
Characteristics
Min. Typ. Max. Units Comments
CM01
VIOFF Input Offset Voltage
â
±7.5
±60
mV High-Power mode,
VICM = VDD/2
CM02
VICM
Input Common Mode Voltage
0
â
VDD
V
CM03
CMRR Common Mode Rejection Ratio
â
50
â
dB
CM04A
Response Time Rising Edge
â
400
800
ns High-Power mode
CM04B
CM04C
TRESP
Response Time Falling Edge
Response Time Rising Edge
â
200
400
â
1200
â
ns High-Power mode
ns Low-Power mode
CM04D
Response Time Falling Edge
â
550
â
ns Low-Power mode
CM05
TMC2OV Comparator Mode Change to
Output Valid*
â
â
10
ïs
CM06
CHYSTER Comparator Hysteresis
â
45
â
mV Hysteresis ON
*
Note 1:
2:
These parameters are characterized but not tested.
Response time measured with one comparator input at VDD/2, while the other input transitions
from VSS to VDD.
Comparator Hysteresis is available when the CxHYS bit of the CMxCON0 register is enabled.
TABLE 30-11: DIGITAL-TO-ANALOG CONVERTER (DAC) SPECIFICATIONS
Operating Conditions: 2.5V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated).
Param
No.
Sym.
Characteristics
Min. Typ. Max. Units
DAC01*
DAC02*
DAC03*
DAC04*
*
Note 1:
CLSB
Step Size
â VDD/32 â
V
CACC Absolute Accuracy
â
â ï± 1/2 LSb
CR
Unit Resistor Value (R)
CST
Settling Time(1)
â 5000 â
ï
â
â
10
ïs
These parameters are characterized but not tested.
Settling time measured while DACR<4:0> transitions from â0000â to â1111â.
Comments
FIGURE 30-14: USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
CK
US121
US121
DT
Note:
US120
Refer to Figure 30-5 for load conditions.
US122
DS40001574C-page 400
ï£ 2011-2013 Microchip Technology Inc.
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