 |
|
• Low Current Consumption:
- As Low as 120 μA (typ) in Duty-Cycle Mode |
| • Wide Supply Range: 2.3 V to 5.5 V |
| • Programmable Gain: 1 V/V to 128 V/V |
| • Programmable Data Rates: Up to 2 kSPS |
| • 16-Bit Noise-Free Resolution at 20 SPS
|
| • Simultaneous 50-Hz and 60-Hz Rejection at
20 SPS with Single-Cycle Settling Digital Filter |
| • Two Differential or Four Single-Ended Inputs |
• Dual-Matched Programmable Current Sources:
- 50 μA to 1.5 mA |
| • Internal 2.048-V Reference: 5 ppm/°C (typ) Drift
|
| • Internal 2% Accurate Oscillator |
• Internal Temperature Sensor:
- 0.5°C (typ) Accuracy |
| • SPI-Compatible Interface (Mode 1)
|
| • Package: 3.5-mm × 3.5-mm × 0.9-mm VQFN
|
|
| CATALOG |
| ADS1120IRVAR COUNTRY OF ORIGIN |
| ADS1120IRVAR PARAMETRIC INFO |
| ADS1120IRVAR PACKAGE INFO |
| ADS1120IRVAR MANUFACTURING INFO |
| ADS1120IRVAR PACKAGING INFO |
| ADS1120IRVAR ECAD MODELS |
| ADS1120IRVAR FUNCTIONAL BLOCK DIAGRAM |
| ADS1120IRVAR APPLICATIONS |
|
| COUNTRY OF ORIGIN |
| Philippines |
|
| PARAMETRIC INFO |
| Converter Type |
General Purpose |
| Input Type |
Voltage |
| Architecture |
Delta-Sigma |
| Resolution |
16bit |
| Number of ADCs |
1 |
| Sampling Rate |
2ksps |
| Digital Interface Type |
Serial (5-Wire, 4-Wire, 3-Wire, SPI) |
| Voltage Reference |
Internal|External|Supply |
| Input Signal Type |
Single-Ended|Differential |
| Polarity of Input Voltage |
Bipolar |
| Minimum Operating Temperature (°C) |
-40 |
| Maximum Operating Temperature (°C) |
125 |
| Integral Nonlinearity Error |
20ppm of FSR |
| Sample and Hold |
No |
| Number of Input Channels |
4|2 |
| Single-Ended Input |
Yes |
| Differential Input |
Yes |
| Input Voltage |
±2.5V |
| No Missing Codes (bit) |
16 |
| Full Scale Error |
±0.1%FSR |
| Voltage Supply Source |
Single|Dual |
| Minimum Single Supply Voltage (V) |
2.3 |
| Typical Single Supply Voltage (V) |
3.3 |
| Maximum Single Supply Voltage (V) |
5.5 |
| Minimum Dual Supply Voltage (V) |
±2.3 |
| Typical Dual Supply Voltage (V) |
±2.5 |
| Maximum Dual Supply Voltage (V) |
±2.75 |
| Digital Supply Support |
Yes |
| Typical Power Dissipation (mW) |
2.1 |
|
| |
| PACKAGE INFO |
| Supplier Package |
VQFN EP |
| Basic Package Type |
Non-Lead-Frame SMT |
| Pin Count |
16 |
| Lead Shape |
No Lead |
| PCB |
16 |
| Tab |
N/R |
| Pin Pitch (mm) |
0.5 |
| Package Length (mm) |
3.6(Max) |
| Package Width (mm) |
3.6(Max) |
| Package Height (mm) |
0.95(Max) |
| Package Diameter (mm) |
N/R |
| Package Overall Length (mm) |
3.6(Max) |
| Package Overall Width (mm) |
3.6(Max) |
| Package Overall Height (mm) |
1(Max) |
| Seated Plane Height (mm) |
1(Max) |
| Mounting |
Surface Mount |
| Package Weight (g) |
N/A |
| Package Material |
Plastic |
| Package Description |
Very Thin Quad Flat No Lead Package, Exposed Pad |
| Package Family Name |
QFN |
| Package Outline |
Link to Datasheet |
|
| |
| MANUFACTURING INFO |
| MSL |
2 |
| Maximum Reflow Temperature (°C) |
260 |
| Reflow Solder Time (Sec) |
30 |
| Number of Reflow Cycle |
3 |
| Standard |
J-STD-020D |
| Reflow Temp. Source |
Link to Datasheet |
| Maximum Wave Temperature (°C) |
N/R |
| Wave Solder Time (Sec) |
N/R |
| Lead Finish(Plating) |
Au |
| Under Plating Material |
Pd over Ni |
| Terminal Base Material |
Cu Alloy |
|
| |
| PACKAGING INFO |
| Packaging Suffix |
R |
| Packaging |
Tape and Reel |
| Quantity Of Packaging |
3000 |
| Packaging Document |
Link to Datasheet |
|
| |
| ECAD MODELS |
 |
|
| FUNCTIONAL BLOCK DIAGRAM |
 |
|
| APPLICATIONS |
• Temperature Sensor Measurements:
– Thermistors
– Thermocouples
– Resistance Temperature Detectors (RTDs):
2-, 3-, or 4-Wire Types |
• Resistive Bridge Sensor Measurements:
– Pressure Sensors
– Strain Gauges
– Weigh Scales |
| • Portable Instrumentation |
| • Factory Automation and Process Controls |
|
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