Product Details
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DESCRIPTION The IDT821024 is a single-chip, four channel PCM CODEC with on-chip filters. The device provides analog-to-digital and digital-to-analog conversions and supports both a-law and μ-law companding. The digital filters in IDT821024 provides the necessary transmit and receive filtering for voice telephone circuit to interface with time-division multiplexed systems. All of the digital filters are performed in digital signal processors operating from an internal clock, which is derived from MCLK. The fixed filters set the transmit and receive gain and frequency response. FEATURES • 4 channelCODECwith on-chip digital filters • Selectable A-law orm-law companding • Master clock frequency selection: 2.048 MHz, 4.096 MHz or 8.192 MHz - Internal timing automatically adjusted based on MCLK and frame sync signal • Separate PCM and master clocks • Single PCM port with up to 8.192 MHz data rate (128 time slots) • Transhybrid balance impedance hardware adjustable via external components • Transmit gains hardware adjustable via external components • Low power +5.0 V CMOS technology • +5.0 V single power supply • Package available: 32 pin PLCC, 44 pin TQFP |
Product Description
| Type# | Description |
| ANSC PART# | ANSC- IDT821024J |
| Part Package Code | QFJ |
| Package Description | Qccj, Ldcc32,.5x.6 |
| Pin Count | 32 |
| Reach Compliance Code | Not Compliant |
| Companding Law | A/Mu-Law |
| Filter | Yes |
| Gain Tolerance-Max | 0.35 Db |
| JESD-30 Code | R-PQCC-J32 |
| JESD-609 Code | e0 |
| Length | 13.97 Mm |
| Linear Coding | Not Available |
| Moisture Sensitivity Level | 1 |
| Number of Functions | 1 |
| Number of Terminals | 32 |
| Operating Mode | Synchronous |
| Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -40 °C |
| Package Body Material | Plastic/Epoxy |
| Package Code | QCCJ |
| Package Equivalence Code | LDCC32,.5X.6 |
| Package Shape | Rectangular |
| Package Style | Chip Carrier |
| Peak Reflow Temperature (Cel) | 225 |
| Qualification Status | Not Qualified |
| Seated Height-Max | 3.56 Mm |
| Supply Voltage-Nom | 5 V |
| Surface Mount | Yes |
| Technology | Cmos |
| Telecom IC Type | Pcm Codec |
| Temperature Grade | Industrial |
| Terminal Finish | Tin/Lead (Sn85pb15) |
| Terminal Form | J Bend |
| Terminal Pitch | 1.27 Mm |
| Terminal Position | Quad |
| Time@Peak Reflow Temperature-Max (s) | 20 |
| Width | 11.43 Mm |
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