QN8075 查看數據表（PDF） - Unspecified

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QN8075

Single Chip Low Power FM Receiver for Portable Devices

Unspecified 

SYMBOL

PARAMETER

τpup

Chip power-up time 1

τchsw

Channel switching

time1

Receiver Timing

τwkup

Wake-up time from

standby to receive

τtune

Tune time

Notes:

1. Guaranteed by design.

CONDITIONS

From power up to register

access.

From any channel to any

channel.

Standby to RX mode.

Per channel during CCA.

MIN

TYP

MAX UNIT

20

ms

200

ms

200

ms

50

ms

Table 8: I2C Interface Timing Characteristics

(Typical values are at Vcc = 3.3V and TA = 25oC).

SYMBOL

PARAMETER

fSCL

I2C clock frequency

tLOW

Clock Low time

tHI

Clock High time

tST

SCL input to SDA

falling edge start 1,3

tSTHD

trc

tfc

tdtHD

SDA falling edge to

SCL falling edge start3

SCL rising edge3

SCL falling edge3

SCL falling edge to

next SDA rising edge3

tdtc

SDA rising edge to

next SCL rising edge3

tstp

SCL rising edge to

SDA rising edge 2,3

tw

Duration before restart3

Cb

SCL, SDA capacitive

loading3

Notes:

1. Start signaling of I2C interface.

2. Stop signaling of I2C interface.

3. Guaranteed by design.

CONDITIONS

Level from 30% to 70%

Level from 70% to 30%

MIN

1.3

0.6

0.8

0.8

20

0.6

1.3

TYP

MAX

400

UNIT

kHz

μs

μs

μs

μs

300

ns

300

ns

ns

900

ns

μs

μs

10

pF

Rev 0.2c (09/02)

Copyright ©2011 by Quintic Corporation

Page 7

Confidential A

Confidential Information contained herein is covered under Non-Disclosure Agreement (NDA).

Advance Technical Information. This is a product under development. Characteristics and specifications are subject to change without notice.

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