ADS5560 datasheet(25/53 Pages) TI

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ADS5560

ADS5562

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

Table 22. PIN ASSIGNMENTS – CMOS Mode (continued)

NUMBER

PIN NAME

DESCRIPTION

TYPE

NUMBER

OF PINS

SDATA

This pin functions as serial interface data input when RESET is low.

It functions as STANDBY control pin when RESET is tied high.

See Table 5 for detailed information.

The pin has an internal 100-k

Ω pull-down resistor to DRGND.

SEN

This pin functions as serial interface enable input when RESET is low.

It functions as CLKOUT edge programmability when RESET is tied high. See

Table 6 for detailed information.

The pin has an internal 100-k

Ω pull-up resistor to DRVDD.

Output buffer enable input, active high.

The pin has an internal 100-k

Ω pull-up resistor to DRVDD.

DFS

Data Format Select input.

This pin sets the DATA FORMAT (Twos complement or Offset binary) and

the LVDS/CMOS output mode type. See Table 7 for detailed information.

The pin has an internal 100-k

Ω pull-down resistor to DRGND.

MODE

Mode select input.

This pin selects the Internal or External reference mode. See Table 8 for

detailed information.

The pin has an internal 100-k

Ω pull-down resistor to AGND.

CLKOUT

CMOS output clock

CMOS output data D0

CMOS output data D1

CMOS output data D2

CMOS output data D3

CMOS output data D4

CMOS output data D5

CMOS output data D6

CMOS output data D7

CMOS output data D8

CMOS output data D9

D10

CMOS output data D10

D11

CMOS output data D11

D12

CMOS output data D12

D13

CMOS output data D13

D14

CMOS output data D14

D15

CMOS output data D15

OVR

Out-of-range indicator, CMOS level signal

DRVDD

Digital and output buffer supply

2, 35

DRGND

Digital and output buffer ground

1, 36

UNUSED

Unused pin in CMOS mode

PAD

Connect the PAD to the ground plane. See in application section.

Do not connect

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