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MFG:ADI D/C:09
Part Number: AD9280
MFG: ADI
D/C: 09
Description: The AD9280 is a monolithic, single supply, 8-bit, 32 MSPS analog-to-digital converter with an on-chip sample-and-hold a...
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AD9280
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DataSheet
General Description
AD9280 General Description
The AD9280 is a monolithic, single supply, 8-bit, 32 MSPS analog-to-digital converter with an on-chip sample-and-hold amplifier and voltage reference. The AD9280 uses a multistage differential pipeline architecture at 32 MSPS data rates and guarantees no missing codes over the full operating temperature range.
The input of the AD9280 has been designed to ease the development of both imaging and communications systems. The user can select a variety of input ranges and offsets and can drive the input either single-ended or differentially.
The sample-and-hold amplifier (SHA) is equally suited for both multiplexed systems that switch full-scale voltage levels in successive channels and sampling single-channel inputs at frequencies up to and beyond the Nyquist rate. AC-coupled input signals can be shifted to a predetermined level, with an onboard clamp circuit. The dynamic performance is excellent.
The AD9280 has an onboard programmable reference. An external reference can also be chosen to suit the dc accuracy and temperature drift requirements of the application.
A single clock input is used to control all internal conversion cycles. The digital output data is presented in straight binary output format. An out-of-range signal (OTR) indicates an overflow condition which can be used with the most significant bit to determine low or high overflow.
The AD9280 can operate with a supply range from +2.7 V to +5.5 V, ideally suiting it for low power operation in high speed applications.
The AD9280 is specified over the industrial (40°C to +85°C) temperature range.
AD9280 Maximum Ratings
| Parameter | With Respect to | Min | Max | Units |
| AVDD | AVSS | 0.3 | +6.5 | V |
| DRVDD | DRVSS | 0.3 | +6.5 | V |
| AVSS | DRVSS | 0.3 | +0.3 | V |
| AVDD | DRVDD | 6.5 | +6.5 | V |
| MODE | AVSS | 0.3 | AVDD + 0.3 | V |
| CLK | AVSS | 0.3 | AVDD + 0.3 | V |
| Digital Outputs | DRVSS | 0.3 | DRVDD + 0.3 | V |
| AIN | AVSS | 0.3 | AVDD + 0.3 | V |
| VREF | AVSS | 0.3 | AVDD + 0.3 | V |
| REFSENSE | AVSS | 0.3 | AVDD + 0.3 | V |
| REFTF, REFTB | AVSS | 0.3 | AVDD + 0.3 | V |
| REFTS, REFBS | AVSS | 0.3 | AVDD + 0.3 | V |
| Junction Temperature | +150 | °C | ||
| Storage Temperature | 65 | +150 | °C | |
| Lead Temperature 10 sec |
+300 | °C |
AD9280 Features
CMOS 8-Bit 32 MSPS Sampling A/D Converter
Pin-Compatible with AD876-8
Power Dissipation: 95 mW (3 V Supply)
Operation Between +2.7 V and +5.5 V Supply
Differential Nonlinearity: 0.2 LSB
Power-Down (Sleep) Mode
Three-State Outputs
Out-of-Range Indicator
Built-In Clamp Function (DC Restore)
Adjustable On-Chip Voltage Reference
IF Undersampling to 135 MHz
Pin-Compatible with AD876-8
Power Dissipation: 95 mW (3 V Supply)
Operation Between +2.7 V and +5.5 V Supply
Differential Nonlinearity: 0.2 LSB
Power-Down (Sleep) Mode
Three-State Outputs
Out-of-Range Indicator
Built-In Clamp Function (DC Restore)
Adjustable On-Chip Voltage Reference
IF Undersampling to 135 MHz
AD9280 Connection Diagram
AD9280
PDF/DataSheet Download
- Datasheet: AD9280
- File Size: 375195 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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