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MCP3008T Datasheet(PDF) 5 Page - Microchip Technology

Part No. MCP3008T
Description  2.7V 4-Channel/8-Channel 10-Bit A/D Converters with SPI Serial Interface
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP3008T Datasheet(HTML) 5 Page - Microchip Technology

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© 2008 Microchip Technology Inc.
DS21295D-page 5
MCP3004/3008
TEMPERATURE CHARACTERISTICS
FIGURE 1-1:
Serial Interface Timing.
Power Requirements
Operating Voltage
VDD
2.7
5.5
V
Operating Current
IDD
—425
225
550
µA
VDD = VREF = 5V,
DOUT unloaded
VDD = VREF = 2.7V,
DOUT unloaded
Standby Current
IDDS
—0.005
2
µA
CS = VDD = 5.0V
Electrical Specifications:
Unless otherwise indicated, VDD = +2.7V to +5.5V, VSS =GND.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Temperature Ranges
Specified Temperature Range
TA
-40
+85
°C
Operating Temperature Range
TA
-40
+85
°C
Storage Temperature Range
TA
-65
+150
°C
Thermal Package Resistances
Thermal Resistance, 14L-PDIP
θJA
—70
°C/W
Thermal Resistance, 14L-SOIC
θJA
—108
°C/W
Thermal Resistance, 14L-TSSOP
θJA
—100
°C/W
Thermal Resistance, 16L-PDIP
θJA
—70
°C/W
Thermal Resistance, 16L-SOIC
θJA
—90
°C/W
ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics:
Unless otherwise noted, all parameters apply at VDD = 5V, VREF = 5V,
TA = -40°C to +85°C, fSAMPLE = 200 ksps and fCLK = 18*fSAMPLE. Unless otherwise noted, typical values apply for
VDD = 5V, TA = +25°C.
Parameter
Sym
Min
Typ
Max
Units
Conditions
Note 1:
This parameter is established by characterization and not 100% tested.
2:
See graphs that relate linearity performance to VREF levels.
3:
Because the sample cap will eventually lose charge, effective clock rates below 10 kHz can affect linearity
performance, especially at elevated temperatures. See Section 6.2 “Maintaining Minimum Clock
Speed”
, “Maintaining Minimum Clock Speed”, for more information.
CS
CLK
DIN
MSB IN
TSU THD
TSUCS
TCSH
THI TLO
DOUT
TEN
TDO
TR
TF
LSB
MSB OUT
TDIS
NULL BIT


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