MCP3911
TABLE 1-3: SERIAL AC CHARACTERISTICS TABLE
Electrical Specifications: Unless otherwise indicated, all parameters apply at DVDD = 2.7 to 3.6V,
TA = -40°C to +125°C, GAIN = 1, CLOAD = 30 pF.
Characteristics
Sym Min
Typ
Max
Units
Test Conditions
Serial Clock frequency
fSCK
—
CS setup time
tCSS
25
CS hold time
tCSH
50
CS disable time
tCSD
50
Data setup time
tSU
5
Data hold time
tHD
10
Serial Clock high time
tHI
20
Serial Clock low time
tLO
20
Serial Clock delay time
tCLD
50
Serial Clock enable time
tCLE
50
Output valid from SCK low
tDO
—
Modulator output
valid from AMCLK high
tDOMDAT —
—
20
MHz
—
—
ns
—
—
ns
—
—
ns
—
—
ns
—
—
ns
—
—
ns
—
—
ns
—
—
ns
—
—
ns
—
25
ns
—
1/(2 x AMCLK)
s
Output hold time
tHO
0
—
—
ns
Output disable time
tDIS
—
—
25
ns
Reset Pulse Width (RESET) tMCLR 100
—
—
ns
Data Transfer Time to DR
(Data Ready)
tDODR
—
25
ns
Modulator Mode Entry to
Modulator Data Present
tMODSU
—
100
ns
Data Ready Pulse Low Time tDRP
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.
(Note 1)
(Note 1)
(Note 2)
TABLE 1-4: TEMPERATURE SPECIFICATIONS TABLE
Electrical Specifications: Unless otherwise indicated, all parameters apply at AVDD = 2.7 to 3.6V, DVDD = 2.7 to
3.6V.
Parameters
Sym Min Typ Max Units
Conditions
Temperature Ranges
Operating Temperature Range
Storage Temperature Range
Thermal Package Resistances
TA
-40
—
+125
TA
-65
—
+150
°C Note 1
°C
Thermal Resistance, 20L QFN
θJA
—
43
—
°C/W
Thermal Resistance, 20L SSOP
θJA
—
87.3
—
°C/W
Note 1: The internal junction temperature (TJ) must not exceed the absolute maximum specification of +150°C.
2012-2013 Microchip Technology Inc.
DS20002286C-page 7