DIR9001系列介绍资料

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DIR9001

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96kHz 数字音频接收器

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The DIR9001 is a digital audio interface receiver that can receive a 28-kHz to 108-kHz sampling- frequency, 24-bit-data-word, biphase-encoded signal. The DIR9001 complies with IEC60958-3, JEITA CPR-1205 (Revised version of EIAJ CP-1201), AES3, EBUtech3250, and it can be used in various applications that require a digital audio interface.

The DIR9001 supports many output system clock and output data formats and can be used flexibly in many application systems. As the all functions which the DIR9001 provides can be controlled directly through control pins, it can be used easily in an application system that does not have a microcontroller. Also, as dedicated pins are provided for the channel-status bit and user-data bit, processing of their information can be easily accomplished by connecting with a microcontroller, DSP, or others.

The DIR9001 does not require an external clock source or resonator for decode operation if the internal actual-sampling-frequency calculator is not used. Therefore, it is possible to reduce the cost of a system.

The operating temperature range of the DIR9001 is specified as –40°C to 85°C, which makes it suitable for automotive applications.

One-Chip Digital Audio Interface Receiver (DIR)
Including Low-Jitter Clock-Recovery System
Compliant With Digital Audio Interface Standards:
IEC60958 (former IEC958), JEITA CPR-1205
(former EIAJ CP-1201, CP-340), AES3, EBU
tech3250
Clock Recovery and Data Decode From Biphase
Input Signal, Generally Called S/PDIF, EIAJ CP-
1201, IEC60958, AES/EBU
Biphase Input Signal Sampling Frequency (f_S)
Range: 28 kHz to 108 kHz
Low-Jitter Recovered System Clock: 50 ps
Jitter Tolerance Compliant With IEC60958-3
Selectable Recovered System Clock: 128 f_S,
256 f_S, 384 f_S, 512 f_S
Serial Audio Data Output Formats: 24-Bit I²S;
MSB-First, 24-Bit Left-Justified; MSB-First 16-, 24-
Bit Right-Justified
User Data, Channel-Status Data Outputs
Synchronized With Decoded Serial Audio Data
No External Clock Required for Decode
Includes Actual Sampling Frequency Calculator
(Needs External 24.576-MHz Clock)
Function Control: Parallel (Hardware)
Functions Similar and Pin Assignments Equivalent
to Those of DIR1703
Single Power Supply: 3.3 V (2.7 V to 3.6 V)
Wide Operating Temperature Range: –40°C to
85°C
5 V-Tolerant Digital Inputs
Package: 28-pin TSSOP, Pin Pitch: 0,65 mm

Jitter (ps)	50
Sampling rate (max) (kHz)	108
Rating	Catalog
Operating temperature range (°C)	-40 to 85

TSSOP (PW)

62.08 mm² 9.7 x 6.4

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DIR9001

96kHz 数字音频接收器

4000-306-326