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AD7707BRUZ Datasheet PDF - ADI
Manufacturer: | ADI |
Category: | Analog to Digital |
Case Package: | TSSOP-20 |
Description: | 3V/5V, ±10V Input Range, 1mW 3Channel 16Bit, Sigma-Delta ADC |
Documentation: | AD7707BRUZ Datasheet (52 Pages)Pinout Diagram on10 PageHot Package Outline Dimension on49 Page Part Numbering System on50 Page AD7707BRUZ Application Note (16 Pages) |
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AD7707BRUZ Datasheet PDF
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AD7707BRUZ Datasheet PDF (52 Pages)
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AD7707BRUZ Specifications
TYPE | DESCRIPTION |
---|---|
Mounting Style | Surface Mount |
Number of Pins | 20 Pin |
Supply Voltage (DC) | 2.70V (min) |
Case/Package | TSSOP-20 |
Number of Circuits | 1 Circuit |
Number of Channels | 3 Channel |
Number of Positions | 20 Position |
Number of Bits | 16 Bit |
Power Dissipation | 3.75 mW |
Sample Rate | 500 SPS |
Power Consumption | 3.75 mW |
Resolution (Bits) | 16.0 Bit |
Input Capacitance | 10.0 pF |
Input Impedance | 9.00 GΩ |
Number of ADCs | 1 ADC |
Number of Inputs | 1, 2 Input |
Operating Temperature (Max) | 85 ℃ |
Operating Temperature (Min) | -40 ℃ |
Power Dissipation (Max) | 4.75 mW |
Number of Input Channels | 3 Channel |
Supply Voltage (Max) | 5.25 V |
Supply Voltage (Min) | 2.7 V |
AD7707BRUZ Size & Package
TYPE | DESCRIPTION |
---|---|
Product Lifecycle Status | Active |
Packaging | Tube |
Size-Length | 6.6 mm |
Size-Width | 4.4 mm |
Size-Height | 1.05 mm |
Operating Temperature | -40℃ ~ 85℃ |
AD7707BRUZ Environmental
AD7707BRUZ Function Overview
Product Details
●The AD7707 is a complete analog front end for low frequency measurement applications. This 3-channel device can accept either low level input signals directly from a transducer or high level (±10 V) signals and produce a serial digital output. It employs a Σ-Δ conversion technique to realize up to 16 bits of no missing codes performance. The selected input signal is applied to a proprietary programmable gain front end based around an analog modulator. The modulator output is processed by an on-chip digital filter. The first notch of this digital filter can be programmed via an on-chip control register allowing adjustment of the filter cutoff and output update rate.
●The AD7707 operates from a single 2.7 V to 3.3 V or 4.75 V to 5.25 V supply. The AD7707 features two low level pseudo differential analog input channels, one high level input channel and a differential reference input. Input signal ranges of 0 mV to 20 mV through 0 V to 2.5 V can be accommodated on both low level input channels when operating with a VDD of 5 V and a reference of 2.5 V. They can also handle bipolar input signal ranges of ±20 mV through ±2.5 V, which are referenced to the LCOM input. The AD7707, with a 3 V supply and a 1.225 V reference, can handle unipolar input signal ranges of 0 mV to 10 mV through 0 V to 1.225 V. Its bipolar input signal ranges are ±10 mV through ±1.225 V. The high level input channel can accept input signal ranges of ±10 V, ±5 V, 0 V to 10 V and 0 V to 5 V. The AD7707 thus performs all signal conditioning and conversion for a 3-channel system.
●The AD7707 is ideal for use in smart, microcontroller or DSP- based systems. It features a serial interface that can be configured for 3-wire operation. Gain settings, signal polarity and update rate selection can be configured in software using the input serial port. The part contains self-calibration and system calibration options to eliminate gain and offset errors on the part itself or in the system.
●CMOS construction ensures very low power dissipation, and the power-down mode reduces the standby power consumption to 20 μW typical. This part is available in a 20-lead wide body (0.3 inch) small outline (SOIC) package and a low profile 20-lead TSSOP.
●Product Highlights
● 1. The AD7707 consumes less than 1 mW at 3 V supplies and 1 MHz master clock, making it ideal for use in low power systems. Standby current is less than 8 μA.
● 2. On-chip thin-film resistors allow ±10 V, ±5 V, 0 V to 10 V, and 0 V to 5 V high level input signals to be directly accom- modated on the analog inputs without requiring split supplies or charge-pumps.
● 3. The low level input channels allow the AD7707 to accept input signals directly from a strain gage or transducer removing a considerable amount of signal conditioning.
● 4. The part features excellent static performance specifications with 16 bits, no missing codes, ±0.003% accuracy, and low rms noise. Endpoint errors and the effects of temperature drift are eliminated by on-chip calibration options, which remove zero-scale and full-scale errors.
●### Features and Benefits
● Charge balancing ADC
●16 bits no missing codes
●0.003% nonlinearity
● High level (±10 V) and low level (±10 mV) input channels
● True bipolar ±100 mV capability on low level input
●Channels without requiring charge pumps
● Programmable gain front end
● Gains from 1 to 128
● 3-wire serial interface
●SPI®, QSPI™, MICROWIRE™ and DSP Compatible
●Schmitt trigger input on SCLK
● Ability to buffer the analog input
● 2.7 V to 3.3 V or 4.75 V to 5.25 V operation
● Power dissipation 1 mW @ 3 V
● Standby current 8 µA max
● 20-Lead SOIC and TSSOP Packages
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AD7707BRUZ Documents
AD7707 Documents
ADI
Analog to Digital Converters - ADC 3V/5V +/-10V Input Range 1mW 3CH 16B
ADI
Analog to Digital Converters - ADC 3V/5V +/-10V Input Range 1mW 3CH 16B
ADI
Dual Channel Single ADC Delta-Sigma 500sps 16Bit Serial 20Pin SOIC W T/R
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