ADS5560 datasheet(7/53 Pages) TI

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DIGITAL CHARACTERISTICS

Dn_Dn+1_P

Dn_Dn+1_M

GND

* With external 100-

termination

OCM

Logic0

= –350mV*

ODL

Logic1

=350mV*

ODH

T0334-01

ADS5560

ADS5562

www.ti.com ....................................................................................................................................................................................................... SLWS207 – MAY 2008

DC specifications refer to the condition where the digital outputs are not switching, but are permanently at a valid logic level 0

or 1, AVDD = 3.0V to 3.6V, IO = 3.5 mA, RL = 100 Ω

(1) (2)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DIGITAL INPUTS

High-level input voltage

2.4

Low-level input voltage

0.8

High-level input current

µA

Low-level input current

-33

µA

Input capacitance

DIGITAL OUTPUTS – CMOS MODE

High-level output voltage

DRVDD

Low-level output voltage

Output capacitance

Capacitance inside the device from each output pin to

ground

DIGITAL OUTPUTS – LVDS MODE

VODH High-level output voltage

+350

VODL Low-level output voltage

-350

VOCM Output common-mode

1.2

voltage

Output capacitance

Capacitance inside the device from each output pin to

ground

(1)

All LVDS and CMOS specifications are characterized, but not tested at production.

(2)

IO refers to the LVDS buffer current setting; RL is the differential load resistance between the LVDS output pair.

Figure 1. LVDS Output Voltage Levels

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