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 RangesBipolar: ±10 V, ±5 V, ±2.5 VUnipolar: 0 V to 10 V, 0 V to 5 V, 0 V to 2.5 V`Both AC and DC Specificatio...
AD7663: 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 RangesBip...
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Analog Inputs
IND2, INC2, INB2 . . . . . . . . . . . . . . . . . 11 V to +30 V
INA, REF, INGND, REFGND
. . . . . . . . . . . . . . . . . . . AGND 0.3 V to AVDD + 0.3 V
Ground Voltage Differences
AGND, DGND, OGND . . . . . . . . . . . . . . . . . . . . . ±0.3 V
Supply Voltages
AVDD, DVDD, OVDD . . . . . . . . . . . . . . . 0.3 V to +7 V
AVDD to DVDD, AVDD to OVDD . . . . . . . . . . . . . . ±7 V
DVDD to OVDD . . . . . . . . . . . . .. . . . . . 0.3 V to +7 V
Digital Inputs . . . . . . . . . . . . 0.3 V to DVDD + 0.3 V
Internal Power Dissipation3 . . . . . . . . . . . . . . 700 mW
Internal Power Dissipation4 . . . . . . . . . . . . . . . . 2.5 W
Junction Temperature . . . . . . . . . . . . . . . . .. . . . 150°C
Storage Temperature Range . . . . . 65°C to +150°C
Lead Temperature Range
(Soldering 10 sec) . . . . . . . . . . . . . . . . . . . . . 300°C
1Stresses above those listed under Absolute Maximum Ratings maycause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
2See Analog Inputs section.
3Specification is for device in free air: 48-Lead LQFP: JA = 91°C/W,JC = 30°C/W.
4Specification is for device in free air: 48-Lead LFCSP: JC = 26°C/W.
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 conversion clock, error correction circuits, and both serial and parallel system interface ports.
The AD7663 is hardware factory-calibrated and is comprehensively 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.
AD7663 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.