Product Details
Product Description
Product Description
explain
The AD7663 is a 16 bit, 250 kSPS, charge redistribution SAR, analog to digital converter that operates from a 5V power supply. It includes a high-speed 16 bit sampling ADC, a resistive input expander that allows a variety of input ranges, an internal conversion clock, error correction circuits, and serial and parallel system interface ports.
The AD7663 is factory calibrated and has been comprehensively tested. In addition to the more traditional gain, offset and linearity, it also ensures the signal to noise ratio, SNR, total harmonic distortion (THD) and other AC parameters. It adopts the high performance of analog devices, and is manufactured with 0.6 μ m CMOS process. It can use 48 lead LQFP and micro 48 lead LFCSP, and its operating range is from - 40 ° C to+85 ° C.
PRODUCT HIGHLIGHTS
1. Fast Throughput
The AD7663 is a 250 kSPS charge redistribution, 16-bit
SAR ADC with various bipolar and unipolar input ranges.
2. Single-Supply Operation
The AD7663 operates from a single 5 V supply and dissipates
only 35 mW typical. Its power dissipation decreases with
the throughput to, for instance, only 15 µW at a 100 SPS
throughput.
It consumes 7 µW maximum when in power-down.
3. Superior INL
The AD7663 has a maximum integral nonlinearity of 3 LSB
with no missing 16-bit code.
4. Serial or Parallel Interface
Versatile parallel (8 bits or 16 bits) or 2-wire serial interface
arrangement compatible with both 3 V or 5 V logic.
FEATURES
Throughput: 250 kSPS
INL: 3 LSB Max ( 0.0046% of Full Scale)
16-Bit Resolution with No Missing Codes
S/(N+D): 90 dB Typ @ 100 kHz
THD: –100 dB Typ @ 100 kHz
Analog Input Voltage Ranges
Bipolar: 10 V, 5 V, 2.5 V
Unipolar: 0 V to 10 V, 0 V to 5 V, 0 V to 2.5 V
Both AC and DC Specifications
No Pipeline Delay
Parallel (8/16 Bits) and Serial 5 V/3 V Interface
SPI®/QSPI™/MICROWIRE™/DSP Compatible
Single 5 V Supply Operation
Power Dissipation
35 mW Typical
15 W @ 100 SPS
Power-Down Mode: 7 W Max
Package: 48-Lead Quad Flatpack (LQFP)
Package: 48-Lead Chip Scale (LFCSP)
Pin-to-Pin Compatible with the AD7660/AD7664/AD7665
APPLICATIONS
Data Acquisition
Motor Control
Communication
Instrumentation
Spectrum Analysis
Medical Instruments
Process Control
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