AD10242TZ

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1. DESCRIPTION

The AD10242TZ is a complete dual signal chain solution including on-board amplifiers, references, ADCs, and output buffering providing unsurpassed total system performance. Each channel is laser trimmed for gain and offset matching and provides channelto-channel crosstalk performance better than 80 dB. The AD10242TZ utilizes two each of the AD9632, OP279, and AD9042 in a custom MCM to gain space, performance, and cost advantages over solutions previously available. The AD10242TZ operates with ±5.0 V for the analog signal conditioning with a separate 5.0 V supply for the analog-to-digital conversion. Each channel is completely independent, allowing operation with independent encode or analog inputs. The AD10242TZ also offers the user a choice of analog input signal ranges to minimize additional signal conditioning required for multiple functions within a single system. The heart of the AD10242TZ is the AD9042, which is designed specifically for applications requiring wide dynamic range. The AD10242TZ is manufactured on Analog Devices’ MIL-PRF-38534 MCM line and is completely qualified. Units are packaged in a custom, cofired, ceramic 68-lead gull wing package and specified for operation from –55°C to +125°C. Contact the factory for additional custom options including those that allow the user to ac couple the ADC directly, bypassing the front end amplifier section. 

2. FEATURES

    1. 2 Matched ADCs with Input Signal Conditioning

    2. Selectable Bipolar Input Voltage Range (
0.5 V,
1.0 V,
2.0 V)

    3. Full MIL-STD-883B Compliant

    4. 80 dB Spurious-Free Dynamic Range

    5. Trimmed Channel-Channel Matching

3. APPLICATIONS

    1. Radar Processing

    2. Communications Receivers

    3. FLIR Processing

    4. Secure Communications

    5. Any I/Q Signal Processing Application

4. PRODUCT HIGHLIGHTS

    1. Guaranteed sample rate of 40 MSPS.

    2. Dynamic performance specified over entire Nyquist band; spurious signals @ 80 dBc for –1 dBFS input signals.

    3. Low power dissipation: <2 W off ±5.0 V supplies.

    4. User defined input amplitude.

    5. Packaged in 68-lead ceramic leaded chip carrier.