Kategori: IC AD


16-Bit, 250 kSPS CMOS ADC


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
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/A


Data Acquisition
Motor Control
Spectrum Analysis
Medical Instruments
Process Control

The AD7663 is a 16-bit, 250 kSPS, charge redistribution SAR,
analog-to-digital converter that operates from a single 5 V power
supply. It contains a high speed 16-bit sampling ADC, a resistor
input scaler that allows various input ranges, an internal conver-
sion clock, error correction circuits, and both serial and parallel
system interface ports.
The AD7663 is hardware factory-calibrated and is comprehen-
sively tested to ensure such ac parameters as signal-to-noise ratio
(SNR) and total harmonic distortion (THD), in addition to the
more traditional dc parameters of gain, offset, and linearity.
It is fabricated using Analog Devices’ high performance, 0.6 micron
CMOS process and is available in a 48-lead LQFP and a tiny
48-lead LFCSP with operation specified from –40°C to +85°C.

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