Datasheet

MCP4011/2/3/4
DS21978C-page 6 © 2006 Microchip Technology Inc.
FIGURE 1-1: Increment Timing Waveform.
CS
U/D
t
LCUR
t
LO
t
HI
t
LUC
W
t
CSHI
t
S
1/f
UD
t
CSLO
t
S
t
LCUF
t
LUC
t
LCUF
SERIAL TIMING CHARACTERISTICS
Electrical Specifications: Unless otherwise noted, all parameters apply across the specified operating ranges.
Extended (E): V
DD
= +1.8V to 5.5V, T
A
= -40°C to +125°C.
Parameters Sym Min Typ Max Units Conditions
CS
Low Time t
CSLO
5——µs
CS High Time t
CSHI
500 — — ns 2.7V ≤ V
DD
≤ 5.5V
———ns1.8V ≤ V
DD
< 2.7V
U/D to CS Hold Time t
LUC
500 — — ns 2.7V ≤ V
DD
≤ 5.5V
750 — — ns 1.8V ≤ V
DD
< 2.7V
CS to U/D Low Setup Time t
LCUF
500 — — ns
CS to U/D High Setup Time t
LCUR
3——µs
U/D High Time t
HI
500 — — ns
U/D Low Time t
LO
500 — — ns
Up/Down Toggle Frequency f
UD
—— 1MHz
Wiper Settling Time t
S
0.5 — — µs 2.1 kΩ, C
L
= 100 pF
1——µs5kΩ, C
L
= 100 pF
2——µs10kΩ, C
L
= 100 pF
10 5 — µs 50 kΩ, C
L
= 100 pF
Wiper Response on Power-up t
PU
—200— ns