Datasheet

 2010 Microchip Technology Inc. DS22249A-page 7
MCP4802/4812/4822
FIGURE 1-1: SPI Input Timing Data.
TEMPERATURE CHARACTERISTICS
CS High Time t
CSH
15 — — ns Note 1
LDAC Pulse Width t
LD
100 — — ns Note 1
LDAC
Setup Time t
LS
40 — — ns Note 1
SCK Idle Time before CS Fall t
IDLE
40 — — ns Note 1
Electrical Specifications: Unless otherwise indicated, V
DD
= +2.7V to +5.5V, V
SS
= GND.
Parameters Sym Min Typ Max Units Conditions
Temperature Ranges
Specified Temperature Range T
A
-40 — +125 °C
Operating Temperature Range T
A
-40 — +125 °C Note 1
Storage Temperature Range T
A
-65 — +150 °C
Thermal Package Resistances
Thermal Resistance, 8L-MSOP 
JA
—211—°C/W
Thermal Resistance, 8L-PDIP 
JA
—90—°C/W
Thermal Resistance, 8L-SOIC 
JA
—150—°C/W
Note 1: The MCP4802/4812/4822 devices operate over this extended temperature range, but with reduced
performance. Operation in this range must not cause T
J
to exceed the maximum junction temperature
of +150°C.
AC CHARACTERISTICS (SPI TIMING SPECIFICATIONS)
Electrical Specifications: Unless otherwise indicated, V
DD
= 2.7V – 5.5V, T
A
= -40 to +125°C.
Typical values are at +25°C.
Parameters Sym Min Typ Max Units Conditions
Note 1: This parameter is ensured by design and not 100% tested.
CS
SCK
SDI
LDAC
t
CSSR
t
HD
t
SU
t
LO
t
CSH
t
CHS
LSb in
MSb in
t
IDLE
Mode 1,1
Mode 0,0
t
HI
t
LD
t
LS