Datasheet AD7665 (Analog Devices)
| Hersteller | Analog Devices |
| Beschreibung | 16-Bit 570 kSPS Bipolar PulSAR® ADC |
| Seiten / Seite | 24 / 1 — 16-Bit, 570 kSPS CMOS ADC. AD7665. FEATURES. FUNCTIONAL BLOCK DIAGRAM. … |
| Revision | C |
| Dateiformat / Größe | PDF / 418 Kb |
| Dokumentensprache | Englisch |
16-Bit, 570 kSPS CMOS ADC. AD7665. FEATURES. FUNCTIONAL BLOCK DIAGRAM. Throughput. 570 kSPS (Warp Mode). AVDD AGND REF REFGND. DVDD
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16-Bit, 570 kSPS CMOS ADC AD7665 FEATURES FUNCTIONAL BLOCK DIAGRAM Throughput 570 kSPS (Warp Mode) AVDD AGND REF REFGND DVDD DGND 500 kSPS (Normal Mode) 4R INL: 2.5 LSB Max ( 0.0038% of Full Scale) IND(4R) AD7665 OVDD 4R 16-Bit Resolution with No Missing Codes INC(4R) OGND 2R S/(N+D): 90 dB Typ @ 180 kHz SERIAL INB(2R) PORT R THD: –100 dB Typ @ 180 kHz INA(R) SWITCHED SER/PAR Analog Input Voltage Ranges CAP DAC INGND BUSY Bipolar: 10 V, 5 V, 2.5 V PARALLEL 16 Unipolar: 0 V to 10 V, 0 V to 5 V, 0 V to 2.5 V INTERFACE D[15:0] Both AC and DC Specifications CLOCK PD CS No Pipeline Delay RESET RD CONTROL LOGIC AND Parallel (8/16 Bits) and Serial 5 V/3 V Interface CALIBRATION CIRCUITRY OB/2C SPI®/QSPI™/MICROWIRE™/DSP Compatible BYTESWAP Single 5 V Supply Operation WARP IMPULSE CNVST Power Dissipation 64 mW Typical 15 W @ 100 SPS PulSAR Selection Power-Down Mode: 7 W Max Package: 48-Lead Quad Flatpack (LQFP) Type/kSPS 100–250 500–570 800–1000 Package: 48-Lead Chip Scale (LFCSP)
Pseudo AD7660 AD7650
Pin-to-Pin Compatible Upgrade of the AD7664/AD7663
Differential AD7664
APPLICATIONS
True Bipolar AD7663 AD7665 AD7671
Data Acquisition Communication
True Differential AD7675 AD7676 AD7677
Instrumentation
18-Bit AD7678 AD7673 AD7674
Spectrum Analysis Medical Instruments
Simultaneous/ AD7654 AD7655
Process Control
Multichannel
GENERAL DESCRIPTION
It is fabricated using Analog Devices’ high performance, 0.6 micron The AD7665 is a 16-bit, 570 kSPS, charge redistribution SAR, CMOS process and is available in a 48-lead LQFP and a tiny analog-to-digital converter that operates from a single 5 V power 48-lead LFCSP with operation specified from –40°C to +85°C. supply. It contains a high speed 16-bit sampling ADC, a resistor input scaler that allows various input ranges, an internal conver-
PRODUCT HIGHLIGHTS
sion clock, error correction circuits, and both serial and parallel 1. Fast Throughput system interface ports. The AD7665 is a very high speed (570 kSPS in Warp Mode The AD7665 is hardware factory-calibrated and is comprehen- and 500 kSPS in Normal Mode), charge redistribution, 16-bit sively tested to ensure such ac parameters as signal-to-noise ratio SAR ADC. (SNR) and total harmonic distortion (THD), in addition to the 2. Single-Supply Operation more traditional dc parameters of gain, offset, and linearity. The AD7665 operates from a single 5 V supply, dissipates only 64 mW typical, even lower when a reduced throughput It features a very high sampling rate mode (Warp), a fast mode is used with the reduced power mode (Impulse) and a power- (Normal) for asynchronous conversion rate applications, and for down mode. low power applications, a reduced power mode (Impulse) where 3. Superior INL the power is scaled with the throughput. The AD7665 has a maximum integral nonlinearity of 2.5 LSB with no missing 16-bit code. 4. Serial or Parallel Interface REV. Versatile parallel (8 bits or 16 bits) or 2-wire serial interface C arrangement compatible with both 3 V or 5 V logic. Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
under any patent or patent rights of Analog Devices. Trademarks and
Tel: 781/329-4700 www.analog.com
registered trademarks are the property of their respective companies.
Fax: 781/461-3113 © 2011 Analog Devices, Inc. All rights reserved.
16-Bit, 570 kSPS CMOS ADC AD7665 FEATURES FUNCTIONAL BLOCK DIAGRAM Throughput 570 kSPS (Warp Mode) AVDD AGND REF REFGND DVDD DGND 500 kSPS (Normal Mode) 4R INL: 2.5 LSB Max ( 0.0038% of Full Scale) IND(4R) AD7665 OVDD 4R 16-Bit Resolution with No Missing Codes INC(4R) OGND 2R S/(N+D): 90 dB Typ @ 180 kHz SERIAL INB(2R) PORT R THD: –100 dB Typ @ 180 kHz INA(R) SWITCHED SER/PAR Analog Input Voltage Ranges CAP DAC INGND BUSY Bipolar: 10 V, 5 V, 2.5 V PARALLEL 16 Unipolar: 0 V to 10 V, 0 V to 5 V, 0 V to 2.5 V INTERFACE D[15:0] Both AC and DC Specifications CLOCK PD CS No Pipeline Delay RESET RD CONTROL LOGIC AND Parallel (8/16 Bits) and Serial 5 V/3 V Interface CALIBRATION CIRCUITRY OB/2C SPI®/QSPI™/MICROWIRE™/DSP Compatible BYTESWAP Single 5 V Supply Operation WARP IMPULSE CNVST Power Dissipation 64 mW Typical 15 W @ 100 SPS PulSAR Selection Power-Down Mode: 7 W Max Package: 48-Lead Quad Flatpack (LQFP) Type/kSPS 100–250 500–570 800–1000 Package: 48-Lead Chip Scale (LFCSP)
Pseudo AD7660 AD7650
Pin-to-Pin Compatible Upgrade of the AD7664/AD7663
Differential AD7664
APPLICATIONS
True Bipolar AD7663 AD7665 AD7671
Data Acquisition Communication
True Differential AD7675 AD7676 AD7677
Instrumentation
18-Bit AD7678 AD7673 AD7674
Spectrum Analysis Medical Instruments
Simultaneous/ AD7654 AD7655
Process Control
Multichannel
GENERAL DESCRIPTION
It is fabricated using Analog Devices’ high performance, 0.6 micron The AD7665 is a 16-bit, 570 kSPS, charge redistribution SAR, CMOS process and is available in a 48-lead LQFP and a tiny analog-to-digital converter that operates from a single 5 V power 48-lead LFCSP with operation specified from –40°C to +85°C. supply. It contains a high speed 16-bit sampling ADC, a resistor input scaler that allows various input ranges, an internal conver-
PRODUCT HIGHLIGHTS
sion clock, error correction circuits, and both serial and parallel 1. Fast Throughput system interface ports. The AD7665 is a very high speed (570 kSPS in Warp Mode The AD7665 is hardware factory-calibrated and is comprehen- and 500 kSPS in Normal Mode), charge redistribution, 16-bit sively tested to ensure such ac parameters as signal-to-noise ratio SAR ADC. (SNR) and total harmonic distortion (THD), in addition to the 2. Single-Supply Operation more traditional dc parameters of gain, offset, and linearity. The AD7665 operates from a single 5 V supply, dissipates only 64 mW typical, even lower when a reduced throughput It features a very high sampling rate mode (Warp), a fast mode is used with the reduced power mode (Impulse) and a power- (Normal) for asynchronous conversion rate applications, and for down mode. low power applications, a reduced power mode (Impulse) where 3. Superior INL the power is scaled with the throughput. The AD7665 has a maximum integral nonlinearity of 2.5 LSB with no missing 16-bit code. 4. Serial or Parallel Interface REV. Versatile parallel (8 bits or 16 bits) or 2-wire serial interface C arrangement compatible with both 3 V or 5 V logic. Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
under any patent or patent rights of Analog Devices. Trademarks and
Tel: 781/329-4700 www.analog.com
registered trademarks are the property of their respective companies.
Fax: 781/461-3113 © 2011 Analog Devices, Inc. All rights reserved.