DIR9001 datasheet(3/38 Pages) TI2

3 / 38 page

DIR9001

www.ti.com

SLES198A – DECEMBER 2006 – REVISED MAY 2015

5 Device Comparison Table

5.1 Differences From DIR1703

The DIR9001 has many improved functions compared to the DIR1703.

The DIR9001 functions are similar to those of the DIR1703.

The DIR9001 pin assignment is equivalent to that of the DIR1703.

The DIR9001 biphase input signal decoding function is almost equivalent to that of the DIR1703.

The differences between the DIR9001 and DIR1703 are shown in Table 1.

Table 1. Main Differences Between DIR1703 and DIR9001

DIFFERENCE

DIR1703

DIR9001

Operational supply-voltage range

3 V to 3.6 V

2.7 V to 3.6 V

Operation temperature range

–25°C to 85°C

–40°C to 85°C

Package

SSOP-28P, pin pitch: 0.65 mm

TSSOP-28P, pin pitch: 0.65 mm

Clock recovery architecture

SpAct™ feature

Conventional PLL

IEC60958-3 jitter tolerance

Not compliant

Compliant

IEC60958 sampling frequency accuracy

Level II (±1000 ppm)

Level III (±12.5%)

Acceptable sampling frequency

32/44.1/48/88.2/96 kHz, ±1500 ppm

28 kHz to 108 kHz continuous

Biphase input signal level

CMOS level

5-V tolerant TTL level

Connection of loop filter

Between FILT pin and VCC

Between FILT pin and AGND

XTI source clock frequency

One of the following clock sources or

Optional 24.576-MHz (24.576-MHz clock is

resonators must be connected to the XTI pin:

only required to use the internal actual-

4.069/5.6448/6.144/ 8.192/11.2896/12.288/

sampling-frequency calculator or use the

16.384/16.9344/18.432/ 22.5792/24.576-MHz

DIR9001 as a 24.576-MHz clock generator.)

BFRAME H period

32/fS

8/fS

Channel status and user data

Synchronous with LRCK transition

17-BCK delay from LRCK transition

Latest tracked frequency hold

Available

Not available

PLL mode clock at error

Latest tracked frequency

VCO free-running frequency

Clock transition signal out

CKTRNS pin, active H

CLKST pin, active-high

Oscillation amplifier

External feedback resistor (typ. 1 M

Ω)

Internal feedback resistor

The differences between the DIR1703 and DIR9001 I/O pins are shown in Table 2.

Table 2. The Differences Between DIR1703 and DIR9001 in All I/O Pin

PIN NO.

DIR1703

DIR9001

DIFFERENCES

DESCRIPTIONS OF DIR9001

ADFLG

AUDIO

Pin name only

Channel-status data information of non-audio sample word, active-low

BRATE0

FSOUT0

Pin name only

Actual-sampling-frequency calculated result output 0

BRATE1

FSOUT1

Pin name only

Actual-sampling-frequency calculated result output 1

SCKO

Same function

System clock output

VDD

Same function

Digital power supply, 3.3-V

DGND

Same function

Digital ground

XTO

Same function

Oscillation amplifier output

XTI

Same function

Oscillation amplifier input, or external XTI source clock input

CKTRNS

CLKST

CLKST is active-high

Clock change/transition signal output

LRCKO

Same function

Audio data latch enable output

BCKO

Same function

Audio data bit clock output

DOUT

Same function

16 bit–24 bit decoded serial digital audio data output

SCF0

PSCK0

Pin name only

SCKO output frequency selection 0

SCF1

PSCK1

Pin name only

SCKO output frequency selection 1

CSBIT

COUT

Pin name only

Channel-status data serial output synchronized with LRCKO

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