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マキシム >
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高周波ASIC
Test and Measurement
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回路設計の例
Maxim respects non-disclosure agreements with its ASIC customers. Because of the uniqueness and proprietary nature of ASICs, only a limited number of circuits are available for disclosure. The following examples refer to some of our leading-edge standard products and demonstrate Maxim's expertise in the development of Test and Measurement ASICs.
±5V, 1Gsps, 8-Bit ADC with On-Chip 2.2GHz Track/Hold Amplifier This integrated circuit is an example of a complex analog-to-digital converter (ADC) designed on our GST-2 (fT = 27GHz) process. Laser trim is utilized to perform active trim on 50Ω/square thin-film Nichrome resistors. It integrates a high-performance track/hold amplifier and a quantizer on a single monolithic die with the following characteristics: - 1Gsps Conversion Rate
- 2.2GHz Full-Power Analog Bandwidth
- > 7.5 Effective Bits at fIN = 500MHz
- ±0.25 LSB INL and DNL
- Selectable 8:16 Demultiplexer
- Low Error Rate: 10-16 Metastable States at 1Gsps
- Latched Differential PECL Outputs
The simplified functional block diagram is shown below:
This part has applications in Digital Signal Processing, High-Speed Acquisition, Digital Oscilloscopes, High-Energy Physics, Radar Systems, and ATE Systems.
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300Msps, 12-Bit DAC with Complementary Voltage Outputs This circuit is an advanced monolithic, 12-bit digital-to-analog converter (DAC) with complementary 50Ω outputs. It was designed on a 9GHz, oxide-isolated bipolar process. It features an output data rate of 300MHz and incorporates an analog multiplying function with 10MHz input bandwidth. The voltage output DAC uses precision laser trimming of 50Ω/square thin-film Nichrome resistors to achieve 12-bit accuracy with 1/2 LSB integral and differential linearity. Absolute gain error is a low 1% of full scale. This DAC features: - 12-Bit Resolution
- ±1/2 LSB INL and DNL
- 300Msps Min Update Rate
- Complementary 50Ω Outputs
- Multiplying Reference Input
- Low Glitch Energy (5.6pVs)
- Single -5.2V Power Supply
The simplified functional block diagram is shown below:
Applications include Direct Digital Synthesis, Arbitrary Waveform Generators, High Resolution Graphics, Instrumentation, and Automated Tester Applications.
Click here for additional information
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