| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 28 Pin |
| Supply Voltage (DC) | 2.70V (min) |
| Case/Package | SSOP-28 |
| Supply Current | 75 mA |
| Number of Circuits | 2 Circuit |
| Number of Channels | 2 Channel |
| Number of Positions | 28 Position |
| Number of Bits | 8 Bit |
| Power Dissipation | 225 mW |
| Sample Rate | 28 Msps |
| Resolution (Bits) | 8.0 Bit |
| Input Capacitance | 2.00 pF |
| Input Impedance | 9.00 GΩ |
| Number of ADCs | 2 ADC |
| Number of Inputs | 2 Input |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 260 mW |
| Number of Input Channels | 2 Channel |
| Supply Voltage | 2.7V ~ 5.5V |
| Supply Voltage (Max) | 5.5 V |
| Supply Voltage (Min) | 2.7 V |
| Input Voltage | 1.5 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Height | 1.75 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The AD9281ARSZ is a 2-channel resolution CMOS Analog-to-digital Converter (ADC) optimized specifically for applications where close matching between two ADC is required. The 28MHz sampling rate and wide input bandwidth will cover both narrowband and spread-spectrum channels. The converter integrates two 8-bit 28MSPS ADC, two input buffer amplifiers, an internal voltage reference and multiplexed digital output buffers. Each ADC incorporates a simultaneous sampling sample-and-hold amplifier at its input. The analog inputs are buffered no external input buffer op amp will be required in most applications. The ADC is implemented using a multistage pipeline architecture that offers accurate performance and guarantees no missing codes. The outputs of the ADC are ported to a multiplexed digital output buffer. It is manufactured on an advanced CMOS process, operates from a single supply from 2.7 to 5.5V and consumes 225mW of power.
● Differential nonlinearity error - 0.1LSB
● On-chip analog input buffers
● On-chip reference
● Over seven effective bits
● -65dB Spurious-free dynamic range
● No missing codes guaranteed
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