Overview
The ADS7886SBDBVT is a 12-bit, 1-MSPS (mega-samples per second) analog-to-digital converter (ADC) produced by Texas Instruments. This device features a capacitor-based Successive Approximation Register (SAR) A/D converter with an inherent sample and hold function. It is designed for low power consumption and operates over a wide supply range from 2.35 V to 5.25 V, making it suitable for battery-powered applications. The ADS7886 is available in 6-pin SOT-23 and SC70 packages and is specified for operation from –40°C to 125°C.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate | 1 MSPS |
| Input Type | Single Ended |
| Data Interface | SPI |
| Supply Voltage Range | 2.35 V to 5.25 V |
| Operating Temperature Range | –40°C to 125°C |
| Package | 6-pin SOT-23, SC70 |
| Power Dissipation at 1 MSPS | 3.9 mW at 3 V, 7.5 mW at 5 V |
| Power Down Current | 1 µA |
| Input Bandwidth | 15 MHz at 3 dB |
| INL (Integral Non-Linearity) | ±1.25 LSB Maximum, ±0.65 LSB (Typical) |
| DNL (Differential Non-Linearity) | ±1 LSB Maximum, +0.4 / –0.65 LSB (Typical) |
| AC Performance | 72.25-dB SINAD, –84-dB THD |
Key Features
- 1-MHz Sample Rate Serial Device
- 12-Bit Resolution
- Zero Latency
- 20-MHz Serial Interface
- Wide Supply Range: 2.35 V to 5.25 V
- Low Power Consumption: Suitable for battery-powered applications
- Power Down Feature for power saving
- High Digital Input Tolerance: Up to 5.25 V when device supply is 2.35 V
- Wide Input Bandwidth: 15 MHz at 3 dB
Applications
The ADS7886SBDBVT is versatile and can be used in various applications, including but not limited to:
- Battery-powered devices due to its low power consumption
- Industrial automation and control systems
- Medical devices requiring high precision and low power
- Aerospace and defense applications where wide temperature range is necessary
- Automotive systems where robustness and reliability are critical
Q & A
- What is the resolution of the ADS7886SBDBVT?
The ADS7886SBDBVT has a 12-bit resolution. - What is the maximum sampling rate of the ADS7886SBDBVT?
The maximum sampling rate is 1 MSPS. - What is the supply voltage range for the ADS7886SBDBVT?
The supply voltage range is from 2.35 V to 5.25 V. - What type of package is the ADS7886SBDBVT available in?
The device is available in 6-pin SOT-23 and SC70 packages. - What is the operating temperature range of the ADS7886SBDBVT?
The operating temperature range is from –40°C to 125°C. - What is the typical power dissipation at 1 MSPS for the ADS7886SBDBVT?
The typical power dissipation is 3.9 mW at 3 V and 7.5 mW at 5 V. - Does the ADS7886SBDBVT have a power down feature?
Yes, the device includes a power down feature for power saving at lower conversion speeds. - What is the input bandwidth of the ADS7886SBDBVT?
The input bandwidth is 15 MHz at 3 dB. - What are the INL and DNL specifications for the ADS7886SBDBVT?
The INL is ±1.25 LSB Maximum, ±0.65 LSB (Typical), and the DNL is ±1 LSB Maximum, +0.4 / –0.65 LSB (Typical). - What is the AC performance of the ADS7886SBDBVT?
The AC performance includes 72.25-dB SINAD and –84-dB THD.
