AD1970 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD1970

Digital BTSC Encoder with Integrated ADC and DAC

Analog Devices 

Table 10. Digital Timing

Parameter

tDMD

MCLK Duty Cycle, External 512 fS Mode

tDBL

MCLK Low Pulse Width, External 512 fS Mode

tDBH

MCLK High Pulse Width, External 512 fS Mode

tDBL

MCLK Low Pulse Width, PLL, 256 fS or fS Mode

tDBH

MCLK High Pulse Width, PLL, 256 fS or fS Mode

tDLS

LRCLK Setup

tDLH

LRCLK Hold

tDDS

SDATA Setup

tDDH

SDATA Hold

tIBC

I2C Bus Clock Frequency

tISST

I2C Setup Time for Start Condition

tIH

I2C Hold Time for Start Condition

tSDS

SDA Setup Time

tSDH

SDA Hold Time

tSDF

SDA Fall Time at 3 mA Sink and 400 pF Load

tSDR

SDA Rise Time

tPWS

Pulse Width of Spikes Supressed by the Input Filter

tPDRP

RESETB Low Pulse Width

AD1970

Min

Typ

Max Unit

40

50

60

%

15

ns

15

ns

15

ns

15

ns

10

ns

10

ns

10

ns

10

ns

400 kHz

10

ns

30

ns

50

ns

25

ns

25

ns

300 ns

50

ns

15

ns

Rev. 0 | Page 5 of 20

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