ADS5560 datasheet(16/53 Pages) TI

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SERIAL REGISTER MAP

ADS5560

ADS5562

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

Table 9 gives a summary of all the modes that can be programmed through the serial interface.

Table 9. Summary of Functions Supported by Serial Interface(1)(2)

ADDRESS

IN HEX

A7 - A0

<LF NOISE

SUPPRESSION>

OUTPUT CLOCK POSITION PROGRAMMABILITY

<STBY>

<DF>

ENABLE LOW

GLOBAL

DATA FORMAT -

SAMPLING

POWER

2's COMP or

FREQUENCY

DOWN

OFFSET BINARY

OPERATION

<TEST PATTERN> – ALL 0S, ALL 1s,

TOGGLE, RAMP, CUSTOM PATTERN

<GAIN>

FINE GAIN 0dB to 6dB, in 1dB steps

<CUSTOM A> CUSTOM PATTERN (D7 TO D0)

<CUSTOM B> CUSTOM PATTERN (D15 TO D8)

<ODI> OUTPUT DATA INTERFACE

DDR LVDS or PARALLEL CMOS

<REF>

INTERNAL or

EXTERNAL

REFERENCE

<RST>

SOFTWARE

RESET

INTERNAL TERMINATION – DATA

LVDS CURRENT

INTERNAL TERMINATION – OUTPUT CLOCK

OUTPUTS

PROGRAMMABILITY

LVDS CURRENT DOUBLE

(1)

The unused bits in each register (shown by blank cells in above table) must be programmed as ‘0’.

(2)

Multiple functions in a register can be programmed in a single write operation.

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