ADS1115IDGSR.B
Analog-to-Digital ConverterThe ADS1115IDGSR.B is a analog-to-digital converter from Texas Instruments. View the full ADS1115IDGSR.B datasheet below including electrical characteristics, absolute maximum ratings.
Manufacturer
Texas Instruments
Category
Analog-to-Digital Converter
Overview
Part: ADS1113, ADS1114, ADS1115 (ADS111x) from Texas Instruments
Type: 16-Bit Analog-to-Digital Converter (ADC)
Description: Precision, low-power, 16-bit, I2C-compatible ADCs with internal reference, oscillator, and programmable comparator (on some variants), offering data rates up to 860 SPS and a wide supply range of 2.0V to 5.5V.
Operating Conditions:
- Supply voltage: 2.0V to 5.5V
- Operating temperature: -40°C to +125°C
- Programmable data rate: 8SPS to 860SPS
- Full-scale input voltage range: ±0.256V to ±6.144V
Absolute Maximum Ratings:
- Max supply voltage: 7 V (VDD to GND)
- Max continuous current: 10 mA (Any pin except power supply pins)
- Max junction/storage temperature: 150 °C (Junction, Storage)
Key Specs:
- Resolution: 16 Bits (no missing codes)
- Data rate: 8 to 860 SPS
- Supply current (Operating): 150 μA (typ, at T A = 25°C)
- Integral nonlinearity (INL): 1 LSB (max, DR = 8SPS, FSR = ±2.048V)
- Offset error: ±1 LSB (typ, FSR = ±2.048V, differential inputs)
- Gain error: 0.01% (typ, FSR = ±2.048V, T A = 25°C)
- Common-mode rejection ratio (CMRR): 105 dB (typ, f CM = 60Hz, DR = 8SPS)
- Common-mode input impedance: 10 MΩ (typ, FSR = ±6.144V)
Features:
- Ultra-small packages
- Wide supply range: 2.0V to 5.5V
- Low current consumption: 150μA (continuous-conversion mode)
- Programmable data rate: 8SPS to 860SPS
- Single-cycle settling
- Internal low-drift voltage reference
- Internal oscillator
- I2C interface: four pin-selectable addresses
- Operating temperature range: -40°C to +125°C
Applications:
- Portable instrumentation
- Battery voltage and current monitoring
- Temperature measurement systems
- Consumer electronics
- Factory automation and process control
Package:
- RUG (X2QFN, 10-pin): 1.50mm × 2.00mm
- DYN (SOT, 10-pin): 2.90mm × 2.80mm
- DGS (VSSOP, 10-pin): 3.00mm × 4.90mm
Features
- Ultra-small packages:
- -X2QFN: 2mm × 1.5mm × 0.4mm
- -SOT: 2.9mm × 2.8mm × 0.6mm
- Wide supply range: 2.0V to 5.5V
- Low current consumption: 150μA (continuous-conversion mode)
- Programmable data rate: 8SPS to 860SPS
- Single-cycle settling
- Internal low-drift voltage reference
- Internal oscillator
- I 2 C interface: four pin-selectable addresses
- Operating temperature range:
- -40°C to +125°C
- Family of devices:
- -ADS1113: one single-ended (SE) or differential (DE) input
- -ADS1114: one single-ended or differential input with comparator and PGA
- -ADS1115: four single-ended or two differential inputs with comparator and PGA
Applications
- Portable instrumentation
- Battery voltage and current monitoring
- Temperature measurement systems
- Consumer electronics
- Factory automation and process control
Pin Configuration
Figure 4-1. RUG Package, 10-Pin (Top View)
Figure 4-2. DYN and DGS Packages, 10-Pin (Top View)
Table 4-1. Pin Functions: RUG, DYN, and DGS Packages
| PIN | PIN | PIN | PIN |
|---|---|---|---|
| NAME | ADS1113 | ADS1114 | ADS1115 |
| ADDR | 1 | 1 | 1 |
| AIN0 | 4 | 4 | 4 |
| AIN1 | 5 | 5 | 5 |
| AIN2 | - | - | 6 |
| AIN3 | - | - | 7 |
| ALERT/RDY | - | 2 | 2 |
| GND | 3 | 3 | 3 |
| NC | 2, 6, 7 | 6, 7 | - |
| SCL | 10 | 10 | 10 |
| SDA | 9 | 9 | 9 |
| VDD | 8 | 8 | 8 |
- (1) See the Unused Inputs and Outputs section for unused pin connections.
Electrical Characteristics
at VDD = 3.3V, data rate = 8SPS, and full-scale input voltage range (FSR) = ±2.048V (unless otherwise noted); maximum and minimum specifications apply from TA = -40°C to +125°C; typical specifications are at TA = 25°C
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| ANALOG INPUT | ANALOG INPUT Common-mode input | ANALOG INPUT FSR = ±6.144V (1) FSR = ±4.096V (1) , FSR = ±2.048V | ANALOG INPUT | ANALOG INPUT 10 6 | ANALOG INPUT | ANALOG INPUT |
| impedance | FSR = ±1.024V FSR = ±0.512V, FSR = ±0.256V FSR = ±6.144V (1) FSR = ±4.096V (1) | 3 100 22 15 | MΩ | |||
| Differential input impedance | FSR = ±2.048V FSR = ±1.024V FSR = ±0.512V, ±0.256V | 4.9 2.4 710 | MΩ kΩ | |||
| SYSTEM PERFORMANCE | SYSTEM PERFORMANCE Resolution (no missing codes) | SYSTEM PERFORMANCE | SYSTEM PERFORMANCE 16 | SYSTEM PERFORMANCE | SYSTEM PERFORMANCE | SYSTEM PERFORMANCE Bits |
| DR | Data rate | 8, 16, 32, 64, 128, 250, 475, | 860 | SPS | ||
| Data rate variation | All data rates | -10% | 10% | |||
| Output noise | See Noise Performance section | See Noise Performance section | See Noise Performance section | See Noise Performance section | ||
| INL | Integral nonlinearity | DR = 8SPS, FSR = ±2.048V (2) | 1 | LSB | ||
| Offset error | FSR = ±2.048V, differential inputs FSR = ±2.048V, single-ended inputs | -3 | ±1 ±3 | 3 | LSB | |
| Offset drift over temperature | FSR = ±2.048V | 0.005 | LSB/°C | |||
| Long-term Offset drift | FSR = ±2.048V, T A = 125°C, 1000 hours | ±1 | LSB | |||
| Offset power-supply rejection | FSR = ±2.048V, DC supply variation | 1 | LSB/V | |||
| Offset channel match | Match between any two inputs | 3 | LSB | |||
| Gain error (3) | FSR = ±2.048V, T A = 25°C FSR = ±0.256V | 0.01% 7 | 0.15% | |||
| Gain drift over temperature (3) Long-term gain drift (3) Gain power-supply rejection | FSR = ±2.048V FSR = ±6.144V (1) FSR = ±2.048V, T A = 125°C, 1000 hours | 5 5 ±0.05% 80 | 40 | ppm/°C ppm/V | ||
| Gain match (3) | Match between any two gains | 0.02% | 0.1% | |||
| Gain channel match | Match between any two inputs At DC, FSR = ±0.256V At DC, FSR = ±2.048V | 0.05% 105 100 | 0.1% | |||
| CMRR | Common-mode rejection ratio | At DC, FSR = ±6.144V (1) f CM = 60Hz, DR = 8SPS f = 50Hz, DR = 8SPS CM | 90 105 105 | dB | ||
| DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT | DIGITAL INPUT/OUTPUT |
| V IH | High-level input voltage | 0.7 VDD | 5.5 | V | ||
| V IL | Low-level input voltage | GND | 0.3 VDD | V | ||
| V OL | Low-level output voltage | I OL = 3mA | GND | 0.15 | 0.4 | V |
| Input leakage current | GND < V DIG < VDD | -10 | 10 | μA |
Absolute Maximum Ratings
over operating ambient temperature range (unless otherwise noted) (1)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| Power-supply voltage | VDD to GND | -0.3 | 7 | V |
| Analog input voltage | AIN0, AIN1, AIN2, AIN3 | GND - 0.3 | VDD + 0.3 | V |
| Digital input voltage | SDA, SCL, ADDR, ALERT/RDY | GND - 0.3 | 5.5 | V |
| Input current, continuous | Any pin except power supply pins | -10 | 10 | mA |
| Temperature | Operating ambient, T A | -40 | 125 | °C |
| Temperature | Junction, T J | -40 | 150 | °C |
| Temperature | Storage, T stg | -60 | 150 | °C |
Recommended Operating Conditions
| MIN | NOM | MAX | UNIT | ||
|---|---|---|---|---|---|
| POWER SUPPLY | POWER SUPPLY | ||||
| Power supply (VDD to GND) | 2 | 5.5 | V | ||
| ANALOG INPUTS (1) | ANALOG INPUTS (1) | ||||
| FSR | Full-scale input voltage range (2) (V IN = V (AINP) - V (AINN) ) | ±0.256 | ±6.144 | V | |
| V (AINx) | Absolute input voltage | GND | VDD | V | |
| DIGITAL INPUTS | DIGITAL INPUTS | ||||
| V DIG | Digital input voltage | GND | 5.5 | V | |
| TEMPERATURE | TEMPERATURE | ||||
| T A | Operating ambient temperature | -40 | 125 | °C |
Thermal Information
| THERMAL METRIC (1) | THERMAL METRIC (1) | RUG (X2QFN) 10 PINS | DYN (SOT) 10 PINS | DGS (VSSOP) 10 PINS | UNIT |
|---|---|---|---|---|---|
| R θJA | Junction-to-ambient thermal resistance | 245.2 | 147.1 | 182.7 | °C/W |
| R θJC(top) | Junction-to-case (top) thermal resistance | 69.3 | 59.3 | 67.2 | °C/W |
| R θJB | Junction-to-board thermal resistance | 172.0 | 71.3 | 103.8 | °C/W |
| ψ JT | Junction-to-top characterization parameter | 8.2 | 2.8 | 10.2 | °C/W |
| ψ JB | Junction-to-board characterization parameter | 170.8 | 70.4 | 102.1 | °C/W |
| R θJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | N/A | N/A | °C/W |
Typical Application
The following sections give example circuits and suggestions for using the ADS111x in various situations.
Package Information
| PART NUMBER | PACKAGE (1) | PACKAGE SIZE (2) |
|---|---|---|
| ADS111x | RUG (X2QFN, 10) | 1.50mm × 2.00mm |
| ADS111x | DYN (SOT, 10) | 2.90mm × 2.80mm |
| ADS111x | DGS (VSSOP, 10) | 3.00mm × 4.90mm |
- (1) For more information, see Section 14.
- (2) The package size (length × width) is a nominal value and includes pins, where applicable.
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| ADS1113 | Texas Instruments | — |
| ADS1114 | Texas Instruments | — |
| ADS1115 | Texas Instruments | X2QFN-10 |
| ADS1115-Q1 | Texas Instruments | — |
| ADS1115IDGSR | Texas Instruments | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| ADS1115IDGSR.A | Texas Instruments | — |
| ADS1115IDGST | Texas Instruments | — |
| ADS1115IDGST.A | Texas Instruments | — |
| ADS1115IDGST.B | Texas Instruments | — |
| ADS1115IDYNR | Texas Instruments | — |
| ADS1115IRUGR | Texas Instruments | — |
| ADS1115IRUGR.A | Texas Instruments | — |
| ADS1115IRUGR.B | Texas Instruments | — |
| ADS1115IRUGT | Texas Instruments | — |
| ADS1115IRUGT.A | Texas Instruments | — |
| ADS1115IRUGT.B | Texas Instruments | — |
| ADS111X | Texas Instruments | — |
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