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AD7880

Features: 12-Bit Monolithic A/D Converter66 kHz Throughput Rate12 s Conversion Time3 s On-Chip Track/Hold AmplifierLow PowerPower Save Mode: 2 mW typNormal Operation: 25 mW typ70 dB SNRFast Data Access Time: 57 nsSmall 24-Lead SOIC and 0.3 DIP PackagesApplicationBattery Powered Portable SystemsDi...

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SeekIC No. : 004271177 Detail

AD7880: Features: 12-Bit Monolithic A/D Converter66 kHz Throughput Rate12 s Conversion Time3 s On-Chip Track/Hold AmplifierLow PowerPower Save Mode: 2 mW typNormal Operation: 25 mW typ70 dB SNRFast Data Acc...

AD7880 Data Sheet

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Part Number:
AD7880
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

12-Bit Monolithic A/D Converter
66 kHz Throughput Rate
12 s Conversion Time
3 s On-Chip Track/Hold Amplifier
Low Power
Power Save Mode: 2 mW typ
Normal Operation: 25 mW typ
70 dB SNR
Fast Data Access Time: 57 ns
Small 24-Lead SOIC and 0.3" DIP Packages





Application

Battery Powered Portable Systems
Digital Signal Processing
Speech Recognition and Synthesis
High Speed Modems
Control and Instrumentation




Pinout

AD7880 Diagram

Connection Diagram




Specifications

Resolution (Bits) 12bit
T-Put Rate 66kSPS
# Chan 1
Supply V Single(+5)
Pwr Diss (max) 37.5mW
Interface Par
Ain Range Bip (Vref),Uni (Vref),Uni (Vref) x 2
SNR (dB) 72dB
Pkg Type DIP,SOIC


VDD to AGND . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
VDD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
AGND to DGND . . . . . . . . . . . . . . . . . 0.3 V to VDD + 0.3 V
VINA, VINB to AGND (Figure 5) . . . . . . 0.3 V to VDD + 0.3 V
VINA to AGND (Figure 6) . . . . . . . . . 0.6 V to 2 VDD + 0.6 V
VINA to AGND (Figure 7) . . . . . VDD 0.3 V to VDD + 0.3 V
VREF to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to VDD
Digital Inputs to DGND . . . . . . . . . . . 0.3 V to VDD + 0.3 V
Digital Outputs to DGND . . . . . . . . . . 0.3 V to VDD + 0.3 V
Operating Temperature Range
Industrial (B, C Versions) . . . . . . . . . . . . . 40°C to +85°C
Storage Temperature Range . . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 secs) . . . . . . . . . . . . +300°C
Power Dissipation (Any Package) to +75°C . . . . . . . . 450 mW
Derates above +75°C by . . . . . . . . . . . . . . . . . . . . . 10 mW/°C




Description

The AD7880 is a high speed, low power, 12-bit A/D converter which operates from a single +5 V supply. It consists of a 3 s track/hold amplifier, a 12 ms successive-approximation ADC,versatile interface logic and a multiple-input-range circuit. The part also includes a power save feature.

An internal resistor network allows the part to accept both unipolar and bipolar input signals while operating from a single +5 V supply. Fast bus access times and standard control inputs ensure easy interfacing to modern microprocessors and digital signal processors.

The AD7880 features a total throughput time of 15 s and can convert full power signals up to 33 kHz with a sampling frequency of 66 kHz.

In addition to the traditional dc accuracy specifications such as linearity, full-scale and offset errors, the AD7880 is also fully specified for dynamic performance parameters including harmonic distortion and signal-to-noise ratio.

The AD7880 is fabricated in Analog Devices' Linear Compatible CMOS (LC2MOS) process, a mixed technology process that combines precision bipolar circuits with low power CMOS logic. The part is available in a 24-pin, 0.3 inch-wide, plastic or hermetic dual-in-line package (DIP) as well as a small 24-lead SOIC package.






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