(Hong Kong)
Product Summary
The AD7342AST-REEL is a Dual Low Power CMOS Analog Front End with DSP Microcomputer. The AD7342AST-REEL is optimized for digital signal processing (DSP) and other high speed numeric processing applications. The AD7342AST-REEL’s analog front end (AFE) section features a dual front-end converter for general purpose applications including speech and telephony. The AFE section features two 16-bit A/D conversion channels and two 16-bit D/A conversion channels.
Parametrics
AD7342AST-REEL absolute maximum ratings: (1)AVDD, DVDD to GND: –0.3 V to +4.6 V; (2)AGND to DGND: –0.3 V to +0.3 V; (3)Digital I/O Voltage to DGND: –0.3 V to DVDD + 0.3 V; (4)Analog I/O Voltage to AGND: –0.3 V to AVDD + 0.3 V; (5)Operating Temperature Range; (6)Industrial (B Version): –20℃ to +85℃; (7)Storage Temperature Range: –40℃ to +125℃; (8)Maximum Junction Temperature: +150℃; (9)PBGA, θJA Thermal Impedance: 25℃/W; (10)Maximum Temperature: +225℃; (11)Time at Maximum Temperature: 15 sec; (12)Maximum Temperature Ramp Rate: 1.3℃/sec.
Features
AD7342AST-REEL features: (1)AFE performance; (2)Two 16-Bit A/D Converters; (3)Two 16-Bit D/A Converters; (4)Programmable Input/Output Sample Rates; (5)78 dB ADC SNR; (6)77 dB DAC SNR; (7)64kS/s Maximum Sample Rate; (8)–90 dB Crosstalk; (9)Low Group Delay (25μs Typ per ADC Channel); (10)50μs Typ per DAC Channel); (11)Programmable Input/Output Gain; (12)On-Chip Reference.
Diagrams
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