ADS5560 datasheet(24/53 Pages) TI

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PIN CONFIGURATION (CMOS MODE)

DRGND

DRVDD

OVR

UNUSED

CLKOUT

DFS

AVDD

AGND

CLKP

CLKM

AGND

DRGND

DRVDD

RESET

SCLK

SDATA

SEN

AVDD

AGND

P0023-10

ADS556x

RGZPACKAGE

(TOP VIEW)

ThermalPad

ADS5560

ADS5562

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

Figure 9. CMOS Mode Pinout

Table 22. PIN ASSIGNMENTS – CMOS Mode

NUMBER

PIN NAME

DESCRIPTION

TYPE

NUMBER

OF PINS

AVDD

Analog power supply

8, 18, 20,

22, 24, 26

AGND

Analog ground

9, 12, 14, 17,

19, 25

CLKP, CLKM

Differential clock input

10, 11

INP, INM

Differential analog input

15, 16

VCM

Internal reference mode – Common-mode voltage output.

I/O

External reference mode – Reference input. The voltage forced on this pin

sets the internal references.

RESET

Serial interface reset input.

When using the serial interface, the user should apply a high-going pulse on

this pin to reset the internal registers.

When the serial interface is not used, the user should tie RESET

permanently high. (SCLK, SDATA and SEN can be used as parallel pin

controls).

The pin has an internal 100-k

Ω pull-down resistor to DRGND.

SCLK

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

It functions as LOW SPEED MODE control when RESET is tied high. See

Table 4 for detailed information.

The pin has an internal 100-k

Ω pull-down resistor to DRGND.

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