Datasheet

 2012-2013 Microchip Technology Inc. DS20002286B-page 7
MCP3911
TABLE 1-3: SERIAL AC CHARACTERISTICS TABLE
Electrical Specifications: Unless otherwise indicated, all parameters apply at DV
DD
= 2.7 to 3.6V,
T
A
= -40°C to +125°C, GAIN = 1, C
LOAD
= 30 pF.
Characteristics Sym Min Typ Max Units Test Conditions
Serial Clock frequency f
SCK
—— 20 MHz
CS
setup time t
CSS
25 — — ns
CS
hold time t
CSH
50 — — ns
CS disable time t
CSD
50 — — ns
Data setup time t
SU
5— — ns
Data hold time t
HD
10 — — ns
Serial Clock high time t
HI
20 — — ns
Serial Clock low time t
LO
20 — — ns
Serial Clock delay time t
CLD
50 — — ns
Serial Clock enable time t
CLE
50 — — ns
Output valid from SCK low t
DO
—— 25 ns
Modulator output
valid from AMCLK high
t
DOMDAT
— — 1/(2 x AMCLK) s
Output hold time t
HO
0— — ns(Note 1)
Output disable time t
DIS
—— 25 ns(Note 1)
Reset Pulse Width (RESET)t
MCLR
100 — — ns
Data Transfer Time to DR
(Data Ready)
t
DODR
—25ns(Note 2)
Modulator Mode Entry to
Modulator Data Present
t
MODSU
— 100 ns
Data Ready Pulse Low Time t
DRP
1/DMCLK — µs
Note 1: This parameter is periodically sampled and not 100% tested.
2: This parameter is established by characterization and not production tested.
TABLE 1-4: TEMPERATURE SPECIFICATIONS TABLE
Electrical Specifications: Unless otherwise indicated, all parameters apply at AV
DD
= 2.7 to 3.6V, DV
DD
= 2.7 to
3.6V.
Parameters Sym Min Typ Max Units Conditions
Temperature Ranges
Operating Temperature Range T
A
-40 — +125 °C Note 1
Storage Temperature Range T
A
-65 — +150 °C
Thermal Package Resistances
Thermal Resistance, 20L QFN θ
JA
—43 — °C/W
Thermal Resistance, 20L SSOP θ
JA
— 87.3 — °C/W
Note 1: The internal junction temperature (T
J
) must not exceed the absolute maximum specification of +150°C.