Part A
ADS1110A0IDBVR
Texas Instruments
- Lifecycle
- Active
- Stock
- 5077 PCS
- Package
- SOT-23-6
- Series
- Acquisition de données - Convertisseur analogique - numérique (ADC)
Replacement verdict
Compatible functional replacement candidate
The ADS1110A0IDBVR and ADS1100A6IDBVR are both 16-bit delta-sigma ADCs from Texas Instruments in the same SOT-23-6 package with an I2C interface, making them strong functional replacement candidates. The ADS1110A0IDBVR offers a wider programmable gain range and higher full-scale input span, while the ADS1100A6IDBVR provides a fixed gain of 1 with a narrower input range. Designers should confirm gain configuration, input signal amplitude, and data rate requirements against the target application before substituting.
Resolution and ADC Architecture
High match
Package and Pinout
High match
Programmable Gain Range
Validation required
Input Full-Scale Range
Validation required
Parts at a glance
Part B
ADS1100A6IDBVR
Texas Instruments
- Lifecycle
- Active
- Stock
- 2811 PCS
- Package
- SOT-23-6
- Series
- Acquisition de données - Convertisseur analogique - numérique (ADC)
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADS1110A0IDBVR | ADS1100A6IDBVR | Why it matters |
|---|---|---|---|
| Resolution (bits) | 16 | 16 | Both are 16-bit delta-sigma ADCs, so resolution alone does not distinguish them for substitutability. |
| Input Channels | 1 (single-ended or differential) | 1 (single-ended or differential) | Channel configuration must match the sensor topology; both support one differential or single-ended input. |
| Programmable Gain Amplifier (PGA) Settings | 1, 2, 4, 8 | 1, 2, 4, 8 | PGA range determines the measurable input span and small-signal sensitivity; identical gain options allow similar signal conditioning. |
| Data Rate (SPS) | 15, 30, 60, 240 | 8, 16, 32, 128 | Output data rate affects noise, settling time, and throughput; the two parts offer different rate sets, impacting system timing and filtering. |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V | Both operate over the same supply range, so power rail compatibility is equivalent. |
| Interface | I2C (up to 400 kHz) | I2C (up to 400 kHz) | Both use I2C, so bus compatibility and firmware protocol are similar. |
| Internal Reference | Yes (2.048 V) | Yes (2.048 V) | An internal reference simplifies design and improves accuracy; both provide the same reference voltage. |
| Package | SOT-23-6 | SOT-23-6 | Package footprint must match for drop-in replacement; both use the same SOT-23-6 package. |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | Both support the same industrial temperature range, so environmental compatibility is equivalent. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADS1110A0IDBVR | ADS1100A6IDBVR |
|---|---|---|
| Supplier | - | Texas Instruments,Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Number of Bits | 16 | 16 |
| Sampling Rate(Per Second) | 240 | 128 |
| Number of Inputs | 1 | 1 |
| Input Type | Differential, Single Ended | Differential, Single Ended |
| Data Interface | I²C | I²C |
| Configuration | PGA-ADC | PGA-ADC |
| Number of A/D Converters | 1 | 1 |
| Architecture | Sigma-Delta | Sigma-Delta |
| Reference Type | Internal | Supply |
| Voltage - Supply, Analog | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Features | PGA, Selectable Address | PGA, Selectable Address |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 85°C |
Frequently asked questions
What are the key differences between the ADS1110A0IDBVR and ADS1100A6IDBVR?
Both are 16-bit delta-sigma ADCs from Texas Instruments in a SOT-23-6 package with I2C interface. The ADS1110A0IDBVR has a factory-programmed PGA of 1 (input range ±2.048 V) and a data rate of 15 SPS, while the ADS1100A6IDBVR has a PGA of 1 (input range ±2.048 V) and a data rate of 8 SPS. The ADS1110A0IDBVR also includes an on-chip programmable gain amplifier with selectable gains of 1, 2, 4, and 8, whereas the ADS1100A6IDBVR offers selectable gains of 1, 2, 4, and 8 as well, but the A6 variant is fixed at 8 SPS.
Are the ADS1110A0IDBVR and ADS1100A6IDBVR pin-compatible?
Yes, both devices are offered in the same 6-pin SOT-23 (DBV) package and share the same pinout: VDD, GND, SCL, SDA, and two analog input pins (VIN+ and VIN-). This allows for a direct drop-in replacement on an existing PCB layout, provided the system timing and data rate requirements are met.
What is the maximum sampling rate of each device?
The ADS1110A0IDBVR supports a programmable data rate of 15, 30, 60, or 240 samples per second (SPS). The ADS1100A6IDBVR supports a fixed data rate of 8 SPS. The ADS1110A0IDBVR is therefore better suited for applications requiring higher throughput, while the ADS1100A6IDBVR is optimized for low-speed, high-resolution measurements.
Do both ADCs have the same resolution and accuracy specifications?
Both are 16-bit delta-sigma ADCs with no missing codes. The ADS1110A0IDBVR achieves an INL of ±0.01% of FSR (typical) and an offset error of ±1 LSB (typical). The ADS1100A6IDBVR has an INL of ±0.0125% of FSR (typical) and an offset error of ±1 LSB (typical). For critical precision applications, the respective datasheets should be consulted for full gain and offset error specifications over temperature.
Can the ADS1100A6IDBVR be used as a replacement for the ADS1110A0IDBVR in an existing design?
Yes, from a hardware and package standpoint, the ADS1100A6IDBVR is pin-compatible with the ADS1110A0IDBVR. However, the firmware must be reviewed because the ADS1100A6IDBVR has a fixed 8 SPS data rate and a different I2C address configuration (the ADS1100A6IDBVR has a fixed I2C address of 1001000, while the ADS1110A0IDBVR has a fixed address of 1001001). The system must also tolerate the lower conversion rate.
What are the supply voltage and power consumption characteristics of these devices?
Both devices operate from a single supply of 2.7 V to 5.5 V. The ADS1110A0IDBVR typically consumes 240 µA at 3.3 V in continuous conversion mode, while the ADS1100A6IDBVR typically consumes 90 µA at 3.3 V. Both feature a power-down mode that reduces current consumption to typically 0.5 µA, making them suitable for battery-powered applications.
How do the I2C addresses of the ADS1110A0IDBVR and ADS1100A6IDBVR differ?
The ADS1110A0IDBVR has a fixed 7-bit I2C address of 1001001 (0x49). The ADS1100A6IDBVR has a fixed 7-bit I2C address of 1001000 (0x48). This means both devices can coexist on the same I2C bus without address conflict, which is useful in multi-sensor designs.
Which device is better for high-resolution, low-speed sensor measurements?
The ADS1100A6IDBVR is optimized for low-speed, high-resolution measurements at 8 SPS, offering lower supply current (90 µA typical) and excellent noise performance for slowly varying signals such as temperature or pressure sensors. The ADS1110A0IDBVR offers higher throughput (up to 240 SPS) and a wider selection of data rates, making it more flexible for applications that require faster updates while still maintaining 16-bit resolution.