AD5116 Просмотр технического описания (PDF) - Analog Devices

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AD5116

Single-Channel, 64-Position, Push Button, ±8% Resistor Tolerance, Nonvolatile Digital Potentiometer

Analog Devices 

Data Sheet

AD5116

INTERFACE TIMING SPECIFICATIONS

VDD = 2.3 V to 5.5 V; all specifications TMIN to TMAX, unless otherwise noted.

Table 3.

Parameter

t1

t2

t3

t4

t5

t1

EEPROM_PROGRAM

t2

POWER_UP

Test Conditions/Comments

ASE = 0 V, PD = GND, PU = GND

ASE = VDD

Min Typ Max Unit Description

8

ms

Debounce time

1

sec

Manual to auto scan time

140

ms

Auto scan step

1

sec

Auto save execute time

8

ms

Low pulse time to manual storage

15 50

ms

Memory program time

50

µs

Power-on EEPROM restore time

1 EEPROM program time depends on the temperature and EEPROM write cycles. Higher timing is expected at a lower temperature and higher write cycles.

2 Maximum time after VDD is equal to 2.3 V.

TIMING DIAGRAMS

t1

PU

PD (LOW)

RW

PD/PU (LOW)

ASE

EEPROM

t5

tEEPROM

PROGRAM

DATA

NEW DATA

Figure 2. Manual Increment Mode Timing

Figure 5. Manual Save Mode Timing

t1

PU

PD (LOW)

RW

t3

t2

Figure 3. Auto Increment Mode Timing

t1

PD

t4

tEEPROM

PROGRAM

RW

ASE (LOW)

EEPROM

DATA

NEW DATA

Figure 4. Auto Save Mode Timing

t1

PD

RW = 45Ÿ

RW

ASE

Figure 6. End Scale Indication Timing

Rev. B | Page 5 of 16

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