AD7999YRJZ-1500RL7 Analog Devices Inc, AD7999YRJZ-1500RL7 Datasheet
AD7999YRJZ-1500RL7
Specifications of AD7999YRJZ-1500RL7
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AD7999YRJZ-1500RL7 Summary of contents
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FEATURES 12-/10-/8-bit ADCs with fast conversion time: 1 μs typical 4 analog input channels/3 analog input channels with reference input Specified for Sequencer operation Temperature range: −40°C to +125° C-compatible ...
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AD7991/AD7995/AD7999 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Product Highlights ........................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 AD7991 .......................................................................................... 3 AD7995 .......................................................................................... 5 AD7999 .......................................................................................... ...
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SPECIFICATIONS 1 AD7991 The temperature range of the Y version is −40°C to +125°C. Unless otherwise noted, V and MIN MAX Table 2. Parameter DYNAMIC PERFORMANCE 2, 3 Signal-to-Noise and Distortion (SINAD) Signal-to-Noise ...
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AD7991/AD7995/AD7999 Parameter LOGIC INPUTS (SDA, SCL) Input High Voltage, V INH Input Low Voltage, V INL Input Leakage Current Input Capacitance Input Hysteresis, V HYST LOGIC OUTPUTS (OPEN DRAIN) Output Low Voltage Floating-State ...
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AD7995 The temperature range for the Y version is −40°C to +125°C. Unless otherwise noted, V and MIN MAX Table 3. A Version Parameter Min Typ DYNAMIC PERFORMANCE Signal-to-Noise ...
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AD7991/AD7995/AD7999 A Version Parameter Min Typ LOGIC INPUTS (SDA, SCL) Input High Voltage INH DD Input Low Voltage, V INL Input Leakage Current Input Capacitance Input Hysteresis ...
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AD7999 The temperature range for the Y version is −40°C to +125°C. Unless otherwise noted, V and MIN MAX Table 4. A Version Parameter Min Typ DYNAMIC PERFORMANCE Signal-to-Noise ...
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AD7991/AD7995/AD7999 A Version Parameter Min Typ LOGIC INPUTS (SDA, SCL) Input High Voltage INH DD Input Low Voltage, V INL Input Leakage Current Input Capacitance Input Hysteresis ...
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I C TIMING SPECIFICATIONS Guaranteed by initial characterization. All values were measured with the input filtering enabled. C with t and t measured between 0 Table 5. Parameter Conditions 1 f Standard mode SCL Fast ...
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AD7991/AD7995/AD7999 Parameter Conditions t Standard mode 10 Fast mode High speed mode C = 100 pF maximum 400 pF maximum B t Standard mode 11 Fast mode High speed mode C = 100 pF maximum B C ...
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ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 6. Parameter V to GND DD Analog Input Voltage to GND Reference Input Voltage to GND Digital Input Voltage to GND Digital Output Voltage to GND Input Current to ...
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AD7991/AD7995/AD7999 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 7. Pin Function Descriptions Pin No. Mnemonic Description 1 SCL Digital Input. Serial bus clock. External pull-up resistor required. 2 SDA Digital I/O. Serial bus bidirectional data. Open-drain output. External pull-up resistor required. ...
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TYPICAL PERFORMANCE CHARACTERISTICS 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 0 500 1000 1500 2000 2500 CODE Figure 4. DNL Error 2 2. REF Without Clock Stretching 1.0 ...
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AD7991/AD7995/AD7999 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0 2.5V –0.8 REF f = 1.7MHz SCL –1.0 0 500 1000 1500 2000 2500 CODE Figure 10. DNL Error ...
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POINT FFT f = 95kSPS S f –20 SCL f IN SNR = 71.77dB SINAD = 71.45dB –40 THD = –82.43dB SFDR = –95.02dB –60 –80 –100 –120 FREQUENCY (kHz) ...
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AD7991/AD7995/AD7999 TERMINOLOGY Signal-to-Noise and Distortion (SINAD) Ratio The measured ratio of signal-to-noise and distortion at the output of the ADC. The signal is the rms amplitude of the fundamental. Noise is the sum of the nonfundamental signals excluding dc, up ...
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THEORY OF OPERATION The AD7991/AD7995/AD7999 are low power, 12-/10-/8-bit, single-supply, 4-channel ADCs. Each part can be operated from a single 2. 5.5 V supply. The AD7991/AD7995/AD7999 provide the user with a 4-channel multiplexer, an on-chip track-and-hold, an ADC, ...
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AD7991/AD7995/AD7999 TYPICAL CONNECTION DIAGRAM Figure 22 shows the typical connection diagram for the AD7991/AD7995/AD7999. The reference voltage can be taken from the supply voltage However, the AD7991/AD7995/AD7999 can be configured 3-channel device with the ...
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For ac applications, removing high frequency components from the analog input signal is recommended by use band- pass filter on the relevant analog input pin. In applications where harmonic distortion and signal-to-noise ratio are critical, the analog ...
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AD7991/AD7995/AD7999 INTERNAL REGISTER STRUCTURE CONFIGURATION REGISTER The configuration register is an 8-bit write-only register that is used to set the operating modes of the AD7991/AD7995/AD7999. The bit functions are outlined in Table 10. A single-byte write is necessary when writing ...
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SAMPLE DELAY AND BIT TRIAL DELAY recommended that bus activity occur while a conversion is taking place (see Figure 27 and the Placing the AD7991/AD7995/AD7999 into High Speed Mode section). However, if this is ...
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AD7991/AD7995/AD7999 SERIAL INTERFACE Control of the AD7991/AD7995/AD7999 is accomplished via 2 the I C-compatible serial bus. The AD7991/AD7995/AD7999 is connected to this bus as a slave device under the control of a master device, such as the processor. SERIAL BUS ...
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WRITING TO THE AD7991/AD7995/AD7999 By default, each part operates in read-only mode and all four chan- nels are selected as enabled in the configuration register. To write to the AD7991/AD7995/AD7999 configuration register, the user must first address the device. 1 ...
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AD7991/AD7995/AD7999 READING FROM THE AD7991/AD7995/AD7999 Reading data from the conversion result register is a 2-byte operation, as shown in Figure 25. Therefore, a read operation always involves two bytes. After the AD7991/AD7995/AD7999 have received a read address, any number of ...
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PLACING THE AD7991/AD7995/AD7999 INTO HIGH SPEED MODE High speed mode communication commences after the master addresses all devices connected to the bus with the master code, 00001XXX, to indicate that a high speed mode transfer is to begin. No device ...
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AD7991/AD7995/AD7999 MODE OF OPERATION The AD7991/AD7995/AD7999 powers up in shutdown mode. After the master addresses the AD7991/AD7995/AD7999 with 2 the correct I C address, the ADC acknowledges the address. In response, the AD7991/AD7995/AD7999 power up. During this wake up time, ...
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... AD7995YRJZ-0RL −40°C to +125°C AD7995YRJZ-0500RL7 −40°C to +125°C AD7995ARJZ-0RL −40°C to +125°C AD7999YRJZ-1RL −40°C to +125°C AD7999YRJZ-1500RL7 −40°C to +125°C AD7999ARJZ-1RL −40°C to +125°C EVAL-AD7991EBZ EVAL-AD7995EBZ RoHS Compliant Part. 3.00 2.90 2 ...
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AD7991/AD7995/AD7999 NOTES ©2007–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06461-0-10/10(B) Rev Page ...