F1385 Datasheet

© 2022 Renesas Electronics Corporation

9

February 7, 2022

Table 7. Electrical Characteristics (continued)

combiner. The IF transformers and RF input trace losses are de-embedded.

Parameter

Symbol

Condition

Minimum

Typical

Maximum

Units

Attenuator Range

Range

25.5

dB

Attenuator Resolution

LSB

0.5

dB

Attenuator Glitching

Step from 15.5 to 16.0 dB

Step from 16.0 to 15.5 dB

Measure maximum excursion

0.7

dB

Attenuator Step Accuracy

DNL

0.2

dB

Attenuator Absolute Accuracy

INL

0.5 dB to 25.5 dB range

0.2

1

dB

Serial Clock Speed

SPI 3 wire bus

20

50

MHz

Data to Clock Setup

SPI 3 wire bus

3

ns

Data to Clock Hold

SPI 3 wire bus

3

ns

Clock to CSb Setup

SPI 3 wire bus

3

ns

Clock Pulse Width

SPI 3 wire bus

5

ns

EN bit on

LO_IN: 3250 MHz, 0 dBm

RF_INX: 3600 MHz, -20 dBm

100

ns

EN bit off

50

ns

RF switched X to Y

(no RF Y signal)

150

ns

RF switched Y to X

(no RF Y signal)

200

ns

Attenuator Switching Time

0.0 dB to 25.5 dB (max)

300

ns

Attenuator Switching Time

25.5 dB (max) to 0.0 dB

300

ns

Attenuator Switching Time

15.5 dB to 16.0 dB

250

ns

Attenuator Switching Time

16.0 dB to 15.5 dB

250

ns

[a] Items in min/max columns in bold italics are Guaranteed by Test.

[b] Items in min/max columns that are not bold/italics are Guaranteed by Design Characterization.

[c] SPI write time. Define Switching Time: The time from 50% CSb to within 0.1 dB of final value for switching states or 1

dB for isolation.