ADS62P19IRGCR datasheet(6/65 Pages) TI

Numer części	ADS62P19IRGCR

Szczegółowy opis	Dual-Channel, 11-Bit, 250-MSPS ADC With DDR LVDS and Parallel CMOS Outputs

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Producent	TI [Texas Instruments]

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ADS62P19

SLAS937 – APRIL 2013

www.ti.com

DIGITAL CHARACTERISTICS

The dc specifications refer to the condition where the digital outputs do not switch, but are permanently at a valid logic level

'0' or '1'. AVDD = 3.3 V and DRVDD = 1.8 V.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DIGITAL INPUTS (CTRL1, CTRL2, CTRL3, RESET, SCLK, SDATA, SEN(1))

All digital inputs support 1.8-V and 3.3-V

1.3

V

VIH

High-level input voltage

CMOS logic levels

All digital inputs support 1.8-V and 3.3-V

0.4

V

VIL

Low-level input voltage

CMOS logic levels

SDATA, SCLK(2)

VHIGH = 3.3 V

16

μA

High-level input

IIH

current

SEN(3)

VHIGH = 3.3 V

10

μA

SDATA, SCLK

VLOW = 0 V

0

μA

Low-level input

IIL

current

SEN

VLOW = 0 V

–20

μA

CI

Input capacitance

4

pF

DIGITAL OUTPUTS (CMOS INTERFACE: DA[10:0], DB[10:0], CLKOUT, SDOUT)

DRVDD

VOH

High-level output voltage

IOH = 1 mA

DRVDD

V

– 0.1

VOL

Low-level output voltage

IOL = 1 mA

0

0.1

V

CO

Output capacitance (internal to device)

2

pF

DIGITAL OUTPUTS (LVDS INTERFACE)

VODH

High-level output differential voltage

With external 100-

Ω termination

275

350

425

mV

VODL

Low-level output differential voltage

With external 100-

Ω termination

–425

–350

–275

mV

VOCM

Output common-mode voltage

1

1.15

1.4

V

Capacitance inside the device from each

CO

Output capacitance

2

pF

output to ground

(1)

SCLK, SDATA, and SEN function as digital input pins in serial configuration mode.

(2)

SDATA, SCLK, RESET, CTRL1, CTRL2, and CTRL3 have an internal 100-k

Ω pull-down resistor.

(3)

SEN has an internal 100-k

Ω pull-up resistor to AVDD. SEN can also be driven by 1.8-V or 3.3-V CMOS buffers because the pull-up

resistor is weak.

6

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