AD9060SLASHPCB datasheet(5/12 Pages) AD

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AD9060

–5–

REV. A

AD9060 PIN DESCRIPTIONS

Pin No.

Name

Function

1/2REF

Midpoint of internal reference ladder.

2, 16, 28, 29, 35,

–VS

Negative supply voltage; nominally –5.2 V

± 5%.

41, 42, 54, 64

3, 6, 15, 30, 33, 34,

+VS

Positive supply voltage; nominally +5 V

± 5%.

37, 40, 65, 68

4, 5, 17, 18, 25, 27,

GROUND

All ground pins should be connected together and to low-

31, 32, 36, 38, 39, 43,

impedance ground plane.

45, 52, 53, 66, 67

3/4REF

Three-quarter point of internal reference ladder.

8, 9

ANALOG IN

Analog input; nominally between

±1.75 V.

+VSENSE

Voltage sense line to most positive point on internal resistor

ladder. Normally +1.75 V.

+VREF

Voltage force connection for top of internal reference ladder.

Normally driven to provide +1.75 V at +VSENSE.

ENCODE

Differential ECL convert signal that starts digitizing process.

ENCODE

ECL-compatible convert command used to begin digitizing process.

19–23, 46–50

D0–D9

ECL-compatible digital output data.

OVERFLOW

ECL-compatible output indicating ANALOG IN > +VSENSE.

–VREF

Voltage force connection for bottom of internal reference

ladder. Normally driven to provide –1.75 V at –VSENSE.

–VSENSE

Voltage sense line to most negative point on internal

resistor ladder. Normally –1.75 V.

LSBs INVERT

Normally grounded. When connected to +VS, lower order

bits (D0–D8) are inverted. Not ECL-compatible.

MSB INVERT

Normally grounded. When connected to +VS, most

significant bit (MSB; D9) is inverted. Not ECL-compatible.

1/4REF

One-quarter point of internal reference ladder.

AD9060

TOP VIEW

(Not to scale)

ENCODE

GND

(LSB) D

LSBs INVERT

GND

OVERFLOW

9 (MSB)

ENCODE

GND

SENSE

–V

SENSE

REF

–V

REF

–V

AD9060 Pin Designations

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