AD7610BCPZ1 AD [Analog Devices], AD7610BCPZ1 Datasheet
AD7610BCPZ1
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AD7610BCPZ1 Summary of contents
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FEATURES Multiple pins/software programmable input ranges ±5 V, ±10 V Pins or serial SPI®-compatible input ranges/mode selection Throughput: 250 kSPS 16-bit resolution with no missing codes INL: ±0.75 LSB typ, ±1.5 LSB max (±23 ppm of ...
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AD7610 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Timing Specifications .................................................................. 5 Absolute Maximum Ratings............................................................ 7 ESD Caution.................................................................................. 7 Pin Configuration and Function Descriptions............................. ...
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SPECIFICATIONS AVDD = DVDD = 5 V; OVDD = 2 5.5 V; VCC = 15 V; VEE = − Table 2. Parameter RESOLUTION ANALOG INPUT Voltage Range Analog Input CMRR Input Current Input Impedance ...
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AD7610 Parameter EXTERNAL REFERENCE Voltage Range Current Drain TEMPERATURE PIN Voltage Output Temperature Sensitivity Output Resistance DIGITAL INPUTS Logic Levels DIGITAL OUTPUTS Data Format 5 Pipeline Delay POWER ...
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TIMING SPECIFICATIONS AVDD = DVDD = 5 V; OVDD = 2 5.5 V; VCC = 15 V; VEE = − Table 3. Parameter CONVERSION AND RESET (See Figure 33 and Figure 34) Convert Pulse Width Time ...
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AD7610 Table 4. Serial Clock Timings in Master Read After Convert Mode DIVSCLK[1] DIVSCLK[0] SYNC to SDCLK First Edge Delay Minimum Internal SDCLK Period Minimum Internal SDCLK Period Maximum Internal SDCLK High Minimum Internal SDCLK Low Minimum SDOUT Valid Setup ...
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ABSOLUTE MAXIMUM RATINGS Table 5. Parameter Rating Analog Inputs/Outputs 1 IN+, IN− to AGND VEE − 0 VCC + 0.3 V REF, REFBUFIN, TEMP, AVDD + 0 AGND − 0.3 V REFGND to AGND Ground Voltage ...
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AD7610 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS D2/DIVSCLK[0] D3/DIVSCLK[1] Table 6. Pin Function Descriptions 1 Pin No. Mnemonic Type Description AGND P Analog Power Ground Pins. Ground reference point for all analog I/O. All analog I/O should be ...
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Pin No. Mnemonic Type Description DI/O In parallel mode, this output is used as Bit 5 of the parallel port data output bus. INVSYNC Serial Data Invert Sync Select. In serial master mode (SER/PAR = high, ...
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AD7610 1 Pin No. Mnemonic Type Description 27 D14 or DI/O In parallel mode, this output is used as Bit 14 of the parallel port data output bus. SCCLK Serial Configuration Clock. In serial software configuration mode (SER/PAR = high, ...
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TYPICAL PERFORMANCE CHARACTERISTICS AVDD = DVDD = 5 V; OVDD = 5 V; VCC = 15 V; VEE = − 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 0 16384 32768 CODE Figure 5. Integral Nonlinearity vs. Code 250 ...
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AD7610 0 –20 –40 –60 –80 –100 –120 –140 –160 FREQUENCY (kHz) Figure 11. FFT 20 kHz 96 SNR 94 SINAD 92 90 ENOB FREQUENCY (kHz) Figure 12. SNR, ...
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TEMPERATURE (°C) Figure 17. THD vs. Temperature 5 ZERO ERROR 4 POSITIVE FS ERROR NEGATIVE FS ERROR –1 –2 –3 –4 –5 ...
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AD7610 700 PD = PDBUF = PDREF = HIGH VEE = –15V 600 VCC = +15V DVDD OVDD AVDD 500 400 300 200 100 0 –55 –35 – TEMPERATURE (°C) Figure 23. Power-Down Operating Currents vs. Temperature ...
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TERMINOLOGY Least Significant Bit (LSB) The least significant bit, or LSB, is the smallest increment that can be represented by a converter. For an analog-to-digital con- verter with N bits of resolution, the LSB expressed in volts ...
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AD7610 THEORY OF OPERATION IN+ REF REFGND 32,768C IN– OVERVIEW The AD7610 is a very fast, low power, precise, 16-bit analog-to- digital converter (ADC) using successive approximation capacitive digital-to-analog converter (CDAC) architecture. The AD7610 can be configured at any time ...
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TRANSFER FUNCTIONS Using the OB/ 2C digital input or via the configuration register, the AD7610 offers two output codings: straight binary and twos complement. See Figure 26 and Table 7 for the ideal transfer char- acteristic and digital output codes ...
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AD7610 TYPICAL CONNECTION DIAGRAM Figure 27 shows a typical connection diagram for the AD7610 using the internal reference, serial data and serial configuration interfaces. Different circuitry from that shown in Figure 27 is optional and is discussed in the following ...
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ANALOG INPUTS Input Range Selection In parallel mode and serial hardware mode, the input range is selected by using the BIPOLAR (bipolar) and TEN (10 Volt range) inputs. See Table 6 for pin details and the Hardware Configuration section and ...
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AD7610 DRIVER AMPLIFIER CHOICE Although the AD7610 is easy to drive, the driver amplifier must meet the following requirements: • For multichannel, multiplexed applications, the driver amplifier and the AD7610 analog input circuit must be able to settle for a ...
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Internal Reference (REF = 5 V) (PDREF = Low, PDBUF = Low) To use the internal reference, the PDREF and PDBUF inputs must be low. This enables the on-chip band gap reference, buffer, and TEMP sensor resulting in a 5.00 ...
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AD7610 Power Sequencing The AD7610 is independent of power supply sequencing and is very insensitive to power supply variations on AVDD over a wide frequency range as shown in Figure 31. 80 EXT REF 75 70 INT REF 65 60 ...
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INTERFACES DIGITAL INTERFACE The AD7610 has a versatile digital interface that can be set up as either a serial or a parallel interface with the host system. The serial interface is multiplexed on the parallel data bus. The AD7610 digital ...
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AD7610 8-Bit Interface (Master or Slave) The BYTESWAP pin allows a glueless interface to an 8-bit bus. As shown in Figure 38, when BYTESWAP is low, the LSB byte is output on D[7:0] and the MSB is output on D[15:8]. ...
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EXT/INT = 0 RDC/SDIN = 0 CS CNVST BUSY t 29 SYNC SDCLK t 15 SDOUT D15 Figure 39. Master Serial Data Timing for Reading (Read After Convert) ...
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AD7610 SLAVE SERIAL INTERFACE The pins multiplexed on D[11:4] used for slave serial interface are: EXT/ INT , INVSCLK, SDIN, SDOUT, SDCLK and RDERROR. External Clock (SER/ PAR = High, EXT/ INT = High) Setting the EXT/ INT = high ...
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External Clock Data Read After/During Conversion It is also possible to begin to read data after conversion and continue to read the last bits after a new conversion has been initiated. This method allows the full throughput and the use ...
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AD7610 HARDWARE CONFIGURATION The AD7610 can be configured at any time with the dedicated hardware pins BIPOLAR, TEN, OB and PD for parallel mode (SER/ PAR = low) or serial hardware mode (SER/ PAR = high, HW/ SW ...
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WARP = BIP = IMPULSE = TEN = CNVST BUSY t 31 SCCS t 31 SCCLK 1 SCIN X START MICROPROCESSOR INTERFACING The AD7610 ...
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AD7610 APPLICATION INFORMATION LAYOUT GUIDELINES While the AD7610 has very good immunity to noise on the power supplies, exercise care with the grounding layout. To facil- itate the use of ground planes that can be easily separated, design the printed ...
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OUTLINE DIMENSIONS 1.45 1.40 1.35 0.15 SEATING 0.05 PLANE VIEW A ROTATED 90° CCW 7.00 BSC SQ PIN 1 INDICATOR TOP VIEW 1.00 12° MAX 0.85 0.80 SEATING PLANE ORDERING GUIDE Model Temperature Range 1 AD7610BCPZ −40°C to +85°C 1 ...
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AD7610 NOTES ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06395-0-10/06(0) Rev Page ...