(China (Mainland))
Product Summary
The IDT821034DNG is a single-chip, four channel PCM CODEC with onchip filters and programmable gain setting. This device provides both m-Law and A-Law companding digital-to-analog and analog-to-digital conversions based on ITU-T G.711 - G.714 specifications. The digital filters in IDT821034DNG provides the necessary transmit and receive filtering for voice telephone circuit to interface with time-division multiplexed systems. The IDT821034DNG has a flexible PCM interface with software selectable timing modes and independently programmable time slot for each transmit and receive channel. It also integrates the SLIC signaling functions through internal registers. The CODEC and SLIC control/status registers are accessed via the Serial Control Interface. The IDT821034DNG can be used in digital telecommunication applications such as PBX, Central Office Switch, Digital Telephone and Integrated Voice/Data Access Unit.
Parametrics
IDT821034DNG absolute maximum ratings: (1)Power Supply Voltage ≤ 6.5 V; (2)Voltage on Any Pin with Respect to Ground: -0.5 to 5.5 V; (3)Package Power Dissipation ≤ 600 mW; (4)Storage Temperature: -65 to +150 ℃; (5)Total SLIC Control pins output current per device: 50mA.
Features
IDT821034DNG features: (1)4 channel CODEC with on-chip digital filters; (2)Software Selectable A-law/m-law companding; (3)Programmable gain setting; (4)Automatic master clock frequency selection: 2.048MHz, 4.096 MHz or 8.192MHz; (5)Flexible PCM interface with up to 128 programmable time slots, data rate from 512 kbits/s to 8.192 Mbits/s; (6)5 SLIC signaling pins per channel; (7)Flexible Serial Control Interface to microcontroller; (8)Software programmable timing modes; (9)TTL and CMOS compatible digital I/O; (10)Meets or exceeds ITU-T G.711 - G.714 requirements; (11)+5 V single power supply; (12)Low power consumption: 100mW Typ.; (13)Operating temperature range: -40 ℃ to +85 ℃; (14)Packages available: 52 pin PQFP.
Diagrams
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 IDT821034DNG |
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IC PCM CODEC QUAD MPI 52-PQFP |
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