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Part Number: ADS7886
Description: The ADS7886 is a 12-bit, 1-MSPS analog-to-digital converter (ADC). The device includes a capacitor bas...
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ADS7886
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DataSheet
General Description
ADS7886 General Description
The ADS7886 is a 12-bit, 1-MSPS analog-to-digital converter (ADC). The device includes a capacitor based SAR A/D converter with inherent sample and hold. The serial interface in each device is controlled by the CS and SCLK signals for glueless connections with microprocessors and DSPs. The input signal is sampled with the falling edge of CS, and SCLK is used for conversion and serial data output.
The device operates from a wide supply range from 2.35 V to 5.25 V. The low power consumption of the device makes it suitable for battery-powered applications. The device also includes a powerdown feature for power saving at lower conversion speeds.
The high level of the digital input to the device is not limited to device VDD . This means the digital input can go as high as 5.25 V when device supply is 2.35 V. This feature is useful when digital signals are coming from other circuit with different supply levels. Also this relaxes restriction on power up sequencing.
The ADS7886 is available in 6-pin SOT23 and SC70 packages and is specified for operation from -40°C to 125°C.
ADS7886 Maximum Ratings
|
|
UNIT | |
|
+IN to AGND |
0.3 V to +VDD +0.3 V | |
|
+VDD to AGND |
0.3 V to 7 V | |
|
Digital input voltage to GND |
0.3 V to (7 V) | |
|
Digital output to GND |
0.3 V to (+VDD + 0.3 V) | |
|
Operating temperature range |
40°C to 125°C | |
|
Storage temperature range |
65°C to 150°C | |
|
Junction temperature (TJ Max) |
150°C | |
|
Power dissipation, SOT23 and SC70 packages |
(TJ MaxTA )/JA | |
|
JA Thermal impedance |
SOT23 |
295.2°C/W |
|
SC70 |
351.3°C/W | |
|
Lead temperature, soldering |
Vapor phase (60 sec) |
215°C |
|
Infrared (15 sec) |
220°C | |
ADS7886 Features
* 1-MHz Sample Rate Serial Device
* 12-Bit Resolution
* Zero Latency
* 20-MHz Serial Interface
* Supply Range: 2.35 V to 5.25 V
* Typical Power Dissipation at 1 MSPS:
3.9 mW at 3-V VDD
7.5 mW at 5-V VDD
* INL ±1.25 LSB Maximum, ±0.65 LSB (Typical)
* DNL ±1 LSB Maximum, +0.4 / -0.65 LSB (Typical)
* Typical AC Performance:72.25 dB SINAD, -84 dB THD
* Unipolar Input Range: 0 V to VDD
* Power Down Current: 1 A
* Wide Input Bandwidth: 15 MHz at 3 dB
* 6-Pin SOT23 and SC70 Packages
* 12-Bit Resolution
* Zero Latency
* 20-MHz Serial Interface
* Supply Range: 2.35 V to 5.25 V
* Typical Power Dissipation at 1 MSPS:
3.9 mW at 3-V VDD
7.5 mW at 5-V VDD
* INL ±1.25 LSB Maximum, ±0.65 LSB (Typical)
* DNL ±1 LSB Maximum, +0.4 / -0.65 LSB (Typical)
* Typical AC Performance:72.25 dB SINAD, -84 dB THD
* Unipolar Input Range: 0 V to VDD
* Power Down Current: 1 A
* Wide Input Bandwidth: 15 MHz at 3 dB
* 6-Pin SOT23 and SC70 Packages
ADS7886 Typical Application
* Base Band Converters in Radio Communication
* Motor Current/Bus Voltage Sensors in Digital Drives
* Optical Networking (DWDM, MEMS Based Switching)
* Optical Sensors
* Battery Powered Systems
* Medical Instrumentations
* High-Speed Data Acquisition Systems
* High-Speed Closed-Loop Systems
* Motor Current/Bus Voltage Sensors in Digital Drives
* Optical Networking (DWDM, MEMS Based Switching)
* Optical Sensors
* Battery Powered Systems
* Medical Instrumentations
* High-Speed Data Acquisition Systems
* High-Speed Closed-Loop Systems
ADS7886
PDF/DataSheet Download
- Datasheet: ADS7886
- File Size: 1188428 KB
- Manufacturer: TI [Texas Instruments]
- Click here to Download
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