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ADS4245 Datasheet(PDF) 21 Page - Texas Instruments

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Part # ADS4245
Description  Dual-Channel, 14-Bit, 250-MSPS Ultralow-Power ADC with Analog Input Buffer
PDF  66 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

ADS4245 Datasheet(HTML) 21 Page - Texas Instruments

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PowerSupply
AVDD,DRVDD
RESET
SEN
t
1
t
2
t
3
ADS42B49
www.ti.com
SBAS558B – DECEMBER 2012 – REVISED JANUARY 2013
NOTE: A high pulse on the RESET pin is required in the serial interface mode when initialized through a hardware reset. For parallel
interface operation, RESET must be permanently tied high.
Figure 11. Reset Timing Diagram
Table 9. Reset Timing (Only when Serial Interface is Used)(1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Delay from AVDD and DRVDD power-up to active RESET
1
ms
t1
Power-on delay
pulse
10
ns
t2
Reset pulse width
Active RESET signal pulse width
1
µs
t3
Register write delay
Delay from RESET disable to SEN active
100
ns
(1)
Typical values at +25°C; minimum and maximum values across the full temperature range: TMIN = –40°C to TMAX = +85°C, unless
otherwise noted.
Copyright © 2012–2013, Texas Instruments Incorporated
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