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AD7898AR-10REEL
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Product Detailed Parameters
- Description：IC ADC 12BIT SRL HS 5V 8-SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- Number of Bits：12
- Sampling Rate (Per Second)：220k
- Number of Inputs：-
- Input Type：-
- Data Interface：-
- Configuration：-
- Ratio - S/H:ADC：-
- Number of A/D Converters：1
- Architecture：-
- Reference Type：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- Features：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Mounting Type：Surface Mount
- Grade：-
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Overview
The AD7898AR-10REEL is a 12-bit successive approximation analog-to-digital converter housed in an 8-lead SOIC package. It operates from a single 5 V supply and achieves throughput rates up to 220 kSPS. The device features an on-chip track/hold amplifier, an internal clock oscillator, and a high-speed serial interface compatible with 3 V processors via the VDRIVE pin. Designed for bipolar input signals, the AD7898-10 variant supports an input voltage range of ±10 V. Maximum power consumption is specified at 22.5 mW, with a low-power shutdown mode available.
Feature Summary
- Integrated signal scaling circuitry enables direct interfacing with ±10 V analog sources while maintaining single-supply operation.
- Flexible serial interface architecture supports two distinct operating modes: internal clocking triggered by CONVST and external clocking driven by SCLK.
- VDRIVE logic supply pin allows the digital interface to operate independently at either 3 V or 5 V levels regardless of the main analog supply voltage.
Applications
- Portable instrumentation requiring low power consumption and space-efficient packaging
- Industrial data acquisition systems utilizing bipolar signal inputs
- Battery-powered measurement devices benefiting from dedicated power-down capabilities
Procurement Notes
Verify that the specific ordering suffix matches the required reel configuration and lead-free status. Confirm that the component version corresponds to the A specification for the designated temperature range. Ensure the input range designation aligns with the system requirements for ±10 V signals rather than lower voltage variants.
Selection Notes
Select this component when a 12-bit resolution and high sampling speed are required within a compact footprint. The AD7898-10 variant is necessary for applications involving ±10 V input ranges. Consider the VDRIVE pin configuration if the host processor operates at a different voltage level than the analog supply.
Part Context
This part belongs to the AD7898 family of fast, serial ADCs manufactured by Analog Devices. The family includes variants with different input ranges and packaging options. The AR-10 designation specifically identifies the commercial temperature grade and the ±10 V input capability within this series.
Replacement Considerations
The AD7898ARZ-10REEL serves as a verified lead-free replacement for the standard tin-lead version. Both parts share identical electrical specifications and pin configurations, ensuring functional compatibility without design modifications.
