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ADS4149 Arkusz danych(PDF) 10 Page - Texas Instruments

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Numer części ADS4149
Szczegółowy opis  14-/12-Bit, 160/250MSPS, Ultralow-Power ADC
Download  77 Pages
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Producent  TI [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI - Texas Instruments

ADS4149 Arkusz danych(HTML) 10 Page - Texas Instruments

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ADS4126, ADS4129
ADS4146, ADS4149
SBAS483D – NOVEMBER 2009 – REVISED APRIL 2010
www.ti.com
DIGITAL CHARACTERISTICS
Typical values are at +25°C, AVDD = 1.8V, DRVDD = 1.8V, and 50% clock duty cycle, unless otherwise noted. Minimum and
maximum values are across the full temperature range: TMIN = –40°C to TMAX = +85°C, AVDD = 1.8V, and DRVDD = 1.8V.
ADS4126, ADS4129, ADS4146, ADS4149(1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DIGITAL INPUTS (RESET, SCLK, SDATA, SEN, OE)
High-level input voltage
RESET, SCLK, SDATA, and
1.3
V
SEN support 1.8V and 3.3V
Low-level input voltage
0.4
V
CMOS logic levels
High-level input voltage
1.3
V
OE only supports 1.8V CMOS
logic levels
Low-level input voltage
0.4
V
High-level input current: SDATA, SCLK(2)
VHIGH = 1.8V
10
µA
High-level input current: SEN
VHIGH = 1.8V
0
µA
Low-level input current: SDATA, SCLK
VLOW = 0V
0
µA
Low-level input current: SEN
VLOW = 0V
10
µA
DIGITAL OUTPUTS (CMOS INTERFACE: D0 TO D13, OVR_SDOUT)
High-level output voltage
DRVDD – 0.1
DRVDD
V
Low-level output voltage
0
0.1
V
DIGITAL OUTPUTS (LVDS INTERFACE: DA0P/M TO DA13P/M, DB0P/M TO DB13P/M, CLKOUTP/M)
High-level output voltage(3)
VODH
Standard swing LVDS
270
+350
430
mV
Low-level output voltage(3)
VODL
Standard swing LVDS
–430
–350
–270
mV
High-level output voltage(3)
VODH
Low swing LVDS
+200
mV
Low-level output voltage(3)
VODL
Low swing LVDS
–200
mV
Output common-mode voltage
VOCM
0.85
1.05
1.25
V
(1)
The ADS4126, ADS4129, and ADS4146 are product preview devices.
(2)
SDATA and SCLK have an internal 180k
Ω pull-down resistor.
(3)
With an external 100
Ω termination.
10
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Copyright © 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): ADS4126 ADS4129 ADS4146 ADS4149


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