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ADS4249 Datasheet(PDF) 3 Page - Texas Instruments

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Part # ADS4249
Description  Dual-Channel, 14-/12-Bit, 160/125/65MSPS Ultralow-Power ADC
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

ADS4249 Datasheet(HTML) 3 Page - Texas Instruments

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ADS4222, ADS4225, ADS4226
ADS4242, ADS4245, ADS4246
www.ti.com
SBAS533C
– MARCH 2011 – REVISED JUNE 2011
ABSOLUTE MAXIMUM RATINGS
(1)
ADS424x/422x
MIN
MAX
UNIT
Supply voltage range, AVDD
–0.3
2.1
V
Supply voltage range, DRVDD
–0.3
2.1
V
Voltage between AGND and DRGND
–0.3
0.3
V
Voltage between AVDD to DRVDD (when AVDD leads DRVDD)
–2.4
2.4
V
Voltage between DRVDD to AVDD (when DRVDD leads AVDD)
–2.4
2.4
V
Minimum
INP_A, INM_A, INP_B, INM_B
–0.3
V
(1.9, AVDD + 0.3)
Voltage applied to input pins
CLKP, CLKM(2)
–0.3
AVDD + 0.3
V
RESET, SCLK, SDATA, SEN,
–0.3
3.9
V
CTRL1, CTRL2, CTRL3
Operating free-air temperature range, TA
–40
+85
°C
Operating junction temperature range, TJ
+125
°C
Storage temperature range, Tstg
–65
+150
°C
ESD rating
Human body model (HBM)
2
kV
(1)
Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may
degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond
those specified is not implied.
(2)
When AVDD is turned off, it is recommended to switch off the input clock (or ensure the voltage on CLKP, CLKM is less than |0.3V|).
This configuration prevents the ESD protection diodes at the clock input pins from turning on.
THERMAL INFORMATION
ADS42xx
THERMAL METRIC(1)
RGC
UNITS
64 PINS
θJA
Junction-to-ambient thermal resistance
23.9
θJCtop
Junction-to-case (top) thermal resistance
10.9
θJB
Junction-to-board thermal resistance
4.3
°C/W
ψJT
Junction-to-top characterization parameter
0.1
ψJB
Junction-to-board characterization parameter
4.4
θJCbot
Junction-to-case (bottom) thermal resistance
0.6
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
Copyright
© 2011, Texas Instruments Incorporated
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Product Folder Link(s): ADS4222 ADS4225 ADS4226 ADS4242 ADS4245 ADS4246


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