ADC10D020 - 双路 10 位、20 MSPS、150 mW A/D 转换器

ADC10D020是TI德州仪器公司的一款高速ADC(>10MSPS)产品，ADC10D020是双路 10 位、20 MSPS、150 mW A/D 转换器，本站介绍了ADC10D020的封装应用图解、特点和优点、功能等，并给出了与ADC10D020相关的TI元器件型号供参考。

ADC10D020 - 双路 10 位、20 MSPS、150 mW A/D 转换器 - 高速ADC(>10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADC10D020 is a dual low power, high performance CMOS analog-to-digital converter that digitizes signals to 10 bits resolution at sampling rates up to 30 MSPS while consuming a typical 150 mW from a single 3.0V supply. No missing codes is ensured over the full operating temperature range. The unique two stage architecture achieves 9.5 Effective Bits over the entire Nyquist band at 20 MHz sample rate. An output formatting choice of offset binary or 2's complement coding and a choice of two gain settings eases the interface to many systems. Also allowing great flexibility of use is a selectable 10-bit multiplexed or 20-bit parallel output mode. An offset correction feature minimizes the offset error.

To ease interfacing to most low voltage systems, the digital output power pins of the ADC10D020 can be tied to a separate supply voltage of 1.5V to 3.6V, making the outputs compatible with other low voltage systems. When not converting, power consumption can be reduced by pulling the PD (Power Down) pin high, placing the converter into a low power state where it typically consumes less than 1 mW and from which recovery is less than 1 ms. Bringing the STBY (Standby) pin high places the converter into a standby mode where power consumption is about 27 mW and from which recovery is 800 ns.

The ADC10D020's speed, resolution and single supply operation makes it well suited for a variety of applications, including high speed portable applications.

Operating over the industrial (−40° ≤ TA ≤ +85°C) temperature range, the ADC10D020 is available in a 48-pin TQFP package. An evaluation board is available to ease the design effort.

产品特性

Internal Sample-and-Hold
Internal Reference Capability
Dual Gain Settings
Offset Correction
Selectable Offset Binary or 2's Complement Output
Multiplexed or Parallel Output Bus
Single +2.7V to 3.6V Operation
Power Down and Standby Modes

Key Specifications

Resolution 10 Bits
Conversion Rate 20 MSPS
ENOB 9.5 Bits (typ)
DNL 0.35 LSB (typ)
Conversion Latency Parallel Outputs 2.5 Clock Cycles
Multiplexed Outputs, I Data Bus 2.5 Clock Cycles
Multiplexed Outputs, Q Data Bus 3 Clock Cycles
PSRR 90 dB
Power Consumption—Normal Operation 150 mW (typ)
Power Down Mode <1 mW (typ)
Fast Recovery Standby Mode 27 mW (typ)

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