MCP4802/4812/4822
ELECTRICAL CHARACTERISTIC WITH EXTENDED TEMPERATURE (CONTINUED)
Electrical Specifications:
Unless otherwise indicated, V
DD
= 5V, V
SS
= 0V, V
REF
= 2.048V, Output Buffer Gain (G) = 2x,
R
L
= 5 k to GND, C
L
= 100 pF. Typical values are at +125°C by characterization or simulation.
Parameters
Output Amplifier
Output Swing
Sym
V
OUT
Min
—
Typ
0.01 to
V
DD
– 0.04
Max
—
Units
V
Conditions
Accuracy is better than 1 LSb
for
V
OUT
= 10 mV to (V
DD
–
40 mV)
Phase Margin
Slew Rate
Short Circuit Current
Settling Time
PM
SR
I
SC
t
SETTLING
—
—
—
—
66
0.55
17
4.5
—
—
—
—
Degree (°) C
L
= 400 pF, R
L
=
V/µs
mA
µs
Within 1/2 LSb of final value
from 1/4 to 3/4 full-scale range
Dynamic Performance (Note 2)
DAC-to-DAC Crosstalk
Major Code Transition
Glitch
Digital Feedthrough
Analog Crosstalk
Note 1:
2:
—
—
<10
45
—
—
nV-s
nV-s
1 LSb change around major
carry (0111...1111 to
1000...0000)
—
—
<10
<10
—
—
nV-s
nV-s
Guaranteed monotonic by design over all codes.
This parameter is ensured by design, and not 100% tested.
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
Schmitt Trigger High-Level
Input Voltage
(All digital input pins)
Schmitt Trigger Low-Level
Input Voltage
(All digital input pins)
Hysteresis of Schmitt Trigger
Inputs
Input Leakage Current
Digital Pin Capacitance
(All inputs/outputs)
Clock Frequency
Clock High Time
Clock Low Time
CS Fall to First Rising CLK
Edge
Data Input Setup Time
Data Input Hold Time
SCK Rise to CS Rise Hold
Time
Note 1:
Sym
V
IH
Min
0.7 V
DD
Typ
—
Max
—
Units
V
Conditions
V
IL
—
—
0.2 V
DD
V
V
HYS
I
LEAKAGE
C
IN
,
C
OUT
F
CLK
t
HI
t
LO
t
CSSR
t
SU
t
HD
t
CHS
—
-1
—
—
15
15
40
15
10
15
0.05 V
DD
—
10
—
—
—
—
—
—
—
—
1
—
20
—
—
—
—
—
—
V
A
pF
MHz
ns
ns
ns
ns
ns
ns
LDAC = CS = SDI = SCK =
V
DD
or V
SS
V
DD
= 5.0V, T
A
= +25°C,
f
CLK
= 1 MHz
T
A
= +25°C
Applies only when CS falls with
CLK high.
This parameter is ensured by design and not 100% tested.
DS22249A-page 6
2010 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
