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The AD6140 is a bandpass SD ADC IF IC for receivers requiring a high dynamic range and multiple filter bandwidths. With an external decimation filter, it creates a multibit analog-to-digital converter. The AD6140 consists of a variable gain, low noise preamplifier, mixer, AGC detector, bandpass SD modulator, an ECL-to-CMOS level translator for the system clock, and an auxiliary amplifier for use in biasing a discrete LNA. It is designed to operate with Motorola's ReFLEX chipset solution. Contact Motorola directly for more information about the ReFLEX chipset solution. With data and clock outputs at CMOS logic levels, it interfaces to an external decimation filter. It comes in a 20-lead plastic SSOP and operates over the 40°C to +85°C industrial temperature range at 2.7 V.
AD6140 Maximum Ratings
Supply Voltage to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+5.5 V Internal Power Dissipation2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 mW Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . 40°C to +85°C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . .65°C to +150°C Lead Temperature, Soldering (60 sec) . . . . . . . . . . . . . . . . . . . . . . . .+300°C NOTES 1Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended rating conditions for extended periods may affect device reliability. 2Thermal Characteristics: 20-Lead SSOP: qJA = 126°C/W.
AD6140 Features
IF Subsystem Bandpass Modulator Variable-Gain Preamplifier with 13 dB of AGC Range Mixer AGC Detector Op Amp for LNA Biasing ECL-to-CMOS Level Translator Ultralow Power Design 2.7 V Operating Voltage 4.8 mA Current Consumption Power-Down Control Small 20-Lead SSOP Package