ADAF1080BCPZ datasheet(7/36 Pages) AD

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Data Sheet

ADAF1080

SPECIFICATIONS

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Rev. 0 | 7 of 36

OPTIONAL FEATURES SPECIFICATIONS

Flipping Functionality Specifications

Table 6. Flipping Functionality Specifications

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

VDD_FLIP

Supply Voltage

VDD_FLIP

4.5

5.5

Average Flip Current

IFLIP_AVG

FLIP_DRV clock period (tCLK_FLIP_DRV ) = 0.05 sec, TA = 25°C

308

µA

tCLK_FLIP_DRV = 0.05 sec, TA = −40°C

400

µA

tCLK_FLIP_DRV = 0.05 sec, TA = 125°C

226

µA

Peak Flip Current

IFLIP_ON

Peak current for tPULSE supported by CFLIP

TA = 25°C

2.4

TA = −40°C

3.1

TA = 125°C

1.8

Recommended Input

Capacitance

CFLIP

µF

Series Resistance

RFLIP

Ω

FLIP_DRV

Input Voltage

High

FLIPHIGH

1.5

Low

FLIPLOW

0.3

Input Drive Current

µA

FLIP_DRV Clock Frequency

fCLK_FLIP_DR

tCLK_FLIP_DRV period = 1/fCLK_FLIP_DRV

1000

Minimum Pulse Width

High

tCYCLE1

320

µs

Low

tCYCLE2

320

µs

Flip Pulse Delay

tDELAY

2.46

2.5

2.55

µs

Flip Pulse Duration

tPULSE

1.2

1.25

1.3

µs

OUTPUT TIMING

Invalid Output Time

tINVALID

Does not include settling of the amplifier

2.5

2.6

µs

Settling Time

tSETTLING

ROUT = 0 Ω, COUT = 150 pF, G = 80, BSENSED = 1 mT, 99% settling

0.7

µs

Figure 2. Flip Coil Driver Timing Diagram with Output Voltage Status

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