| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 16 Pin |
| Supply Voltage (DC) | 2.70V (min) |
| Case/Package | TSSOP-16 |
| Supply Current | 280 µA |
| Number of Circuits | 1 Circuit |
| Number of Channels | 1 Channel |
| Number of Positions | 16 Position |
| Number of Bits | 24 Bit |
| Power Dissipation | 1.6 W |
| Sample Rate | 123 SPS |
| Resolution (Bits) | 24.0 Bit |
| Number of ADCs | 1 ADC |
| Number of Inputs | 1 Input |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 1.6 mW |
| Number of Input Channels | 1 Channel |
| Supply Voltage (Max) | 5.25 V |
| Supply Voltage (Min) | 2.7 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 5 mm |
| Size-Width | 4.4 mm |
| Size-Height | 1.05 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The AD7797BRUZ is a 24-bit Low Power Sigma-Delta (Σ-Δ) ADC for high precision bridge sensor applications such as weigh scales. It contains Σ-Δ ADC capable of 24-bit resolution. The on-chip instrumentation amplifier has a fixed gain of 128, allowing small amplitude signals such as those from bridge sensors to be directly interfaced to the ADC. Each part has one differential input and contains a temperature sensor that is internally connected to the ADC. This sensor can be used to perform temperature compensation of the bridge. ADC can be operated with either the internal clock or an external clock. The output data rate from the part is software programmable and can be varied from 4.17Hz to 123Hz. The complete analogue front ends device operates with a power supply from 2.7 to 5.25V.
● 65nV RMS noise
● Temperature sensor
● Internal clock oscillator
● Simultaneous 50 and 60Hz rejection
● 250µA Typical current
● Independent interface power supply
●ESD sensitive device, take proper precaution while handling the device.
ADI
Low Power, 16-/24Bit Sigma-Delta ADC for Bridge Sensors
ADI
ANALOG DEVICES AD7797BRUZ Analog to Digital Converter, 24Bit, 123 SPS, Single, 2.7V, 5.25V, TSSOP
ADI
IC ADC 24Bit SIG-DEL 1CH 16TSSOP
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