Purchase ADS7809, In-stock ADS7809 From SeekIC.
Part Number: ADS7809
Description: The ADS7809 is a complete 16-bit sampling Analog-to- Digital (A/D) converter using state-of-the-art CM...
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ADS7809
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DataSheet
General Description
ADS7809 General Description
The ADS7809 is a complete 16-bit sampling Analog-to- Digital (A/D) converter using state-of-the-art CMOS structures. It contains a 16-bit capacitor-based Successive Approximation Register (SAR) A/D converter with sample-andhold, reference, clock, and a serial data interface. Data can be outputted using the internal clock, or can be synchronized to an external data clock. The ADS7809 also provides an output synchronization pulse for ease of use with standard DSP processors.
The ADS7809 is specified at a 100kHz sampling rate, and specified over the full temperature range. Laser-trimmed scaling resistors provide various input ranges including ±10V and 0V to 5V, while an innovative design operates from a single +5V supply, with power dissipation under 100mW. The 20-pin ADS7809 is available in a plastic 0.3" DIP and in an SO, both fully specified for operation over the industrial 40°C to +85°C range.
ADS7809 Maximum Ratings
Analog Inputs: R1IN .................................................... ±25V
R2IN ............................................................................ ±25V
R3IN ............................................................................ ±25V
CAP ....................................... VANA + 0.3V to AGND2 0.3V
REF ... Indefinite Short to AGND2, Momentary Short to VANA
Ground Voltage Differences: DGND, AGND2 ................ ±0.3V
VANA ................................................................................ 7V
VDIG to VANA ................................................................ +0.3
VDIG ................................................................................. 7V
Digital Inputs ....................................... 0.3V to VDIG + 0.3V
Maximum Junction Temperature ................................ +165°C
Internal Power Dissipation ........................................ 700mW
Lead Temperature (soldering, 10s) ........................... +300°C
NOTE: (1) Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. Exposure to absolute maximum conditions for extended periods may affect device reliability.
ADS7809 Features
` 100kHz SAMPLING RATE
` 86dB SINAD WITH 20kHz INPUT
` ±2LSB INL
` DNL: 16 Bits "No Missing Codes"
` SIX SPECIFIED INPUT RANGES
` SERIAL OUTPUT
` SINGLE +5V SUPPLY OPERATION
` PIN-COMPATIBLE WITH 12-BIT ADS7808
` USES INTERNAL OR EXTERNAL REFERENCE
` 100mW MAX POWER DISSIPATION
` 20-PIN 0.3" PLASTIC DIP AND SO
` SIMPLE DSP INTERFACE
` 86dB SINAD WITH 20kHz INPUT
` ±2LSB INL
` DNL: 16 Bits "No Missing Codes"
` SIX SPECIFIED INPUT RANGES
` SERIAL OUTPUT
` SINGLE +5V SUPPLY OPERATION
` PIN-COMPATIBLE WITH 12-BIT ADS7808
` USES INTERNAL OR EXTERNAL REFERENCE
` 100mW MAX POWER DISSIPATION
` 20-PIN 0.3" PLASTIC DIP AND SO
` SIMPLE DSP INTERFACE
ADS7809 Connection Diagram
ADS7809
PDF/DataSheet Download
- Datasheet: ADS7809
- File Size: 173147 KB
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- Click here to Download
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ADS7808U
The ADS7808U is designed as one kind of complete 12-bit sampling analogto-digital using state-of-the-art CMOS structures. It can be used in a plastic 0.3" DIP and in an SOIC, both fully specified for operation over the industrial -40°C to +85°C range. Also t...
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