AD5560JSVUZ datasheet(62/67 Pages) AD

62 / 67 page

Data Sheet

AD5560

Rev. E | Page 61 of 66

REQUIRED EXTERNAL COMPONENTS

The minimum required external components are shown in the

block diagram in Figure 61. Decoupling is very dependent on

the type of supplies used, the board layout, and the noise in the

system. It is possible that less decoupling may be required as a

result. Although there are four compensation input pins and

five feedforward capacitor input pins, all capacitor inputs may

be used only if the user intends to drive large variations of DUT

load capacitances. If the DUT load capacitance is known and

does not change for all combinations of voltage ranges and test

conditions, then it is possible only one set of CCx and CFx is

required.

SHARED

ADC

VREF

AVSS

AVDD

VREF

DVCC

KELALM

CLALM

DVCC OR

OTHER

DIGITAL

SUPPLY

TMPALM

RESET

RPULLUP

DVCC OR

OTHER

DIGITAL

SUPPLY

RPULLUP

MEASOUT

CC0 CC1 CC2 CC3

EXTFORCE1

EXTFORCE2

CF4

CF3

CF2

CF1

DUT

EXTMEASHI1

SENSE

EXTMEASHI2

RSENSE 2

RSENSE 1

EXTMEASIL

DUTGND

FORCE

10µF

0.1µF

10µF

0.1µF

HCAVDD2

HCAVSS2

REF

HCAVDD1

HCAVSS1

SHARED

REFERENCE

10µF

0.1µF

10µF

0.1µF

AVDD

AVSS

10µF

0.1µF

DVCC

0.1µF

10µF

0.1µF

CF0

ADC

DRIVER

Figure 61. External Components Required for Use with the DPS

Table 27. References Suggested for Use with the AD55601

Part No.

Voltage (V)

Initial

Accuracy %

Ref OutTempco

(ppm/°C max)

A/B Grade

Ref Output

Current (mA)

SupplyVoltage

Range (V)

Package

ADR431

2.5

±0.04

10/3

4.5 to 18

MSOP, SOIC

ADR435

±0.04

10/3

7 to 18

MSOP, SOIC

ADR441

2.5

±0.04

10/3

3 to 18

MSOP, SOIC

ADR445

±0.04

10/3

5.5 to 18

MSOP, SOIC

1 Subset of the possible references suitable for use with the AD5560. See http://www.analog.com/references for more options.

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