Product Details
AD7705BR Product Details
GENERAL DESCRIPTION
- The AD7705/AD7706 are analog front ends for low frequency measurement applications.
- These devices can directly accept a low-level input signal from a sensor and produce a serial digital output.
- They use sigma-delta conversion technology to achieve up to 16 bits with no missing codes.
- The AD7705 has two fully differential analog input channels; The AD7706 has three pseudo-differential input channels.
- The AD7705/AD7706 devices can perform all signal conditioning and conversion for a 2-channel or 3-channel system.
- The device has a serial interface and can be configured for 3-wire operation.
- The part includes self-calibration and system calibration options to eliminate gain and offset errors in the part itself or in the system.
- These parts are available in a 16-pin, wide-body (0.3-inch), plastic dual-row in-line package (DIP); 16-pin, wide-body (0.3-inch), standard small outline (SOIC) package; and a low-profile, 16-pin, thin-profile package (TSSOP).
FEATURES
AD7705: 2 fully differential input channel ADCs
AD7706: 3 pseudo differential input channel ADCs
16 bits no missing codes
0.003% nonlinearity
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 maximum @ 3 V
Standby current 8 μA maximum
16-lead PDIP, 16-lead SOIC, and 16-lead TSSOP packages
Product Description
ANSC PART# | ANSC- AD7705BR |
Part# | AD7705BR |
Type： | Integrated Circuits(ICs) |
Manufactor | ADI |
DC | new |
Product Attributes
| TYPE | DESCRIPTION |
| category | Integrated Circuits (ICs) |
| Data acquisition | |
| Analog-to-digital converters (ADCs) | |
| manufacturer | Analog Devices Inc. |
| series | - |
| wrap | Pipe fittings |
| Part status | Production |
| Number of digits | 16 |
| Sampling rate (per second) | 500 |
| Enter the number | 2 |
| Enter the type | difference |
| Data interface | SPI，DSP |
| disposition | MUX-PGA-ADC |
| Ratio - S/H: ADC | - |
| Number of A/D converters | 1 |
| Architecture | Trigonometric integrals |
| Reference type | exterior |
| Voltage - power supply, analog | 2.7V~3.3V,5V |
| Voltage - power supply, digital | 2.7V~3.3V,5V |
| characteristic | PGA |
| Operating temperature | -40°C ~ 85°C |
| Package/Case | 16-SOIC (0.295", 7.50mm Width) |
| Supplier device package | 16-SOIC |
| Installation type | Surface mount type |
| Basic product number | AD7705 |
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Product datasheet
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