TPC1210
Cost-effective 12-bit SAR ADC with 1MSPS sample rate, SPI interface, ideal for general-purpose data acquisition and c...
Product Overview
Description
The TPC1210 is a high-performance 12-bit successive approximation register (SAR) analog-to-digital converter designed for cost-sensitive applications.
With a maximum sample rate of 1MSPS, good linearity (±1 LSB INL), and low power consumption, it provides an excellent balance of performance and cost for industrial and consumer applications.
The device features a SPI-compatible serial interface, single supply operation from 2.7V to 5.25V, and is pin-compatible with industry-standard 12-bit ADCs.
Product Series
TPC
Primary Application
Battery monitoring
Key Features
- 12-bit resolution with no missing codes
- 1 MSPS sample rate
- Good linearity: ±1 LSB INL
- Low power: 8mW at 1MSPS
- SPI-compatible serial interface
- Single supply operation: 2.7V to 5.25V
- Pin-compatible with industry standards
- Small footprint packages
Specifications
| Resolution | 12-bit |
|---|---|
| Sample Rate | 1 MSPS |
| INL | ±1 LSB max |
| DNL | ±0.75 LSB max |
| SNR | 70 dB typical |
| Power Supply | 2.7V to 5.25V |
| Power | 8mW at 5V, 1MSPS |
| Package | SOT23-6, MSOP-8 |
Applications
Battery monitoring
Battery and charging management
Temperature sensing
Electronic system design
Voltage monitoring
Electronic system design
Consumer electronics
Consumer electronics
Industrial control
Industrial automation and control
Sensor interfaces
Sensor signal conditioning
FAE Expert Insights
"Based on extensive field experience, this product delivers excellent performance across various operating conditions. The design incorporates proven architecture with robust protection features. Customers consistently report high satisfaction with reliability and ease of integration."
The TPC1210 stands out for its reliability and performance in real-world applications.
— Senior FAE Team, BeiLuo
Frequently Asked Questions
When should I choose TPC1210 over TPC1610?
Choose TPC1210 when: Your application requires 12-bit resolution or less (4096 steps), Cost is a primary concern, Power consumption needs to be minimized, The application is general-purpose monitoring or control. Choose TPC1610 when: You need 16-bit resolution (65536 steps) for precision measurement, Accuracy is more important than cost, You're doing scientific or test equipment. TPC1210 provides 0.024% resolution vs 0.0015% for TPC1610.
Use TPC1210 for cost-sensitive general applications. Use TPC1610 for precision measurement.
What is the accuracy of TPC1210?
The TPC1210 offers good accuracy for a 12-bit ADC: INL (Integral Non-Linearity) of ±1 LSB means the transfer function is very linear, DNL (Differential Non-Linearity) of ±0.75 LSB ensures no missing codes, Offset error is typically ±2 LSB, Gain error is typically ±4 LSB. Combined with a good voltage reference like TPR1025 (0.1% accuracy), total system accuracy of 0.5-1% is achievable without calibration.
±1 LSB INL provides good linearity. Use precision reference for best system accuracy.
Can I use TPC1210 for battery monitoring?
Yes, TPC1210 is excellent for battery monitoring applications. With 12-bit resolution and 2.5V reference, you get 0.6mV resolution per LSB, sufficient for most battery chemistries. The 1MSPS speed allows monitoring multiple cells in sequence. Low power consumption (8mW) minimizes impact on battery life. Use a resistive divider to scale battery voltage to ADC input range, and consider adding a TP1561 buffer for high-impedance battery packs.
Excellent for battery monitoring. Use voltage divider and buffer for multi-cell packs.
What is the power consumption at lower sample rates?
TPC1210 power scales with sample rate due to its SAR architecture: At 1MSPS: 8mW typical, At 100kSPS: approximately 1.5mW, At 10kSPS: approximately 0.5mW. Between conversions, the ADC enters a low-power state. For battery-powered applications, reduce sample rate to minimize power consumption. The device also features a power-down mode consuming less than 1μA when not in use.
Power scales with sample rate. Reduce rate for battery apps. Use power-down mode when idle.
Is TPC1210 pin-compatible with other 12-bit ADCs?
Yes, TPC1210 is designed to be pin-compatible with popular industry-standard 12-bit ADCs like ADI's AD7476 and TI's ADS7042. This allows easy drop-in replacement in existing designs. The SPI interface, control signals, and pinout follow industry conventions. However, always verify timing requirements and reference voltage range compatibility when substituting. Contact FAE for specific migration guidance.
Pin-compatible with industry standards. Verify timing and reference compatibility when migrating.