Overview
The AD7683ARMZ is a 16-bit, charge redistribution, successive approximation, PulSAR® analog-to-digital converter (ADC) produced by Analog Devices Inc. This ADC operates from a single power supply, VDD, ranging from 2.7 V to 5.5 V. It features a low power, high speed, 16-bit sampling ADC with no missing codes (B grade), an internal conversion clock, and a serial, SPI-compatible interface port. The device also includes a low noise, wide bandwidth, short aperture delay, track-and-hold circuit, making it ideal for various high-performance applications.
Key Specifications
| Parameter | Conditions | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Resolution | Bits | 16 | |||
| Analog Input Voltage Range | VDD = 2.7 V to 5.5 V; VREF = VDD; TA = –40°C to +85°C | V | 0 | VREF | |
| Absolute Input Voltage | V | -0.1 VDD + 0.1 | 0.1 VDD + 0.1 | ||
| Throughput Speed | kSPS | 0 | 100 | ||
| DCLOCK Frequency | MHz | 0 | 2.9 | ||
| Reference Voltage Range | V | 0.5 VDD + 0.3 | VDD | ||
| Load Current | 100 kSPS, V+IN − V−IN = VREF/2 = 2.5 V | µA | 50 | ||
| Digital Input Logic Levels | V | -0.3 VDD + 0.3 | 0.7 VDD + 0.3 |
Key Features
- 16-bit resolution with no missing codes (B grade)
- Single power supply operation: 2.7 V to 5.5 V
- Internal conversion clock and serial, SPI-compatible interface port
- Low noise, wide bandwidth, short aperture delay track-and-hold circuit
- Low power consumption with power scaling linearly with throughput
- No pipeline delay or latency, ideal for multiplexed channel applications
- Housed in 8-lead MSOP or 8-lead QFN (LFCSP) packages
Applications
The AD7683ARMZ is suitable for a variety of high-performance applications, including:
- Multiplexed channel systems due to its lack of pipeline delay or latency
- Industrial control systems requiring precise and fast analog-to-digital conversion
- Medical devices where low noise and high accuracy are critical
- Aerospace and defense applications needing reliable and high-speed ADCs
- Automotive systems requiring robust and accurate analog-to-digital conversion
Q & A
- What is the resolution of the AD7683ARMZ ADC?
The AD7683ARMZ has a 16-bit resolution.
- What is the operating voltage range of the AD7683ARMZ?
The AD7683ARMZ operates from a single power supply, VDD, ranging from 2.7 V to 5.5 V.
- What is the maximum throughput rate of the AD7683ARMZ?
The maximum throughput rate of the AD7683ARMZ is 100 kSPS.
- Does the AD7683ARMZ have an internal conversion clock?
- What type of interface does the AD7683ARMZ use?
The AD7683ARMZ uses a serial, SPI-compatible interface port.
- What are the package options for the AD7683ARMZ?
The AD7683ARMZ is available in 8-lead MSOP or 8-lead QFN (LFCSP) packages.
- What is the operating temperature range of the AD7683ARMZ?
The operating temperature range of the AD7683ARMZ is from –40°C to +85°C.
- Does the AD7683ARMZ exhibit any pipeline delay or latency?
No, the AD7683ARMZ does not exhibit any pipeline delay or latency.
- What is the reference voltage range for the AD7683ARMZ?
The reference voltage range for the AD7683ARMZ is from 0.5 VDD + 0.3 V to VDD.
- How does the power consumption of the AD7683ARMZ scale with throughput?
The power consumption of the AD7683ARMZ scales linearly with throughput.
