Overview
The THS1403IPFB is a 14-bit, high-speed analog-to-digital converter (ADC) produced by Texas Instruments. It is part of the THS1401, THS1403, and THS1408 family, designed for use in 3.3-V systems. This ADC features a high-speed microprocessor-compatible parallel interface, making it suitable for applications requiring high-performance digital signal processing (DSP), such as the TI TMS320C6000 series. The device is implemented using a monolithic CMOS process, offering outstanding price/performance and power/speed ratios.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Resolution | 14 Bits | |
| Sampling Rate | 3 MSPS | |
| Differential Nonlinearity (DNL) | ±0.6 LSB | |
| Integral Nonlinearity (INL) | ±1.5 LSB | |
| Internal Reference Voltage | 1.5 V | V |
| Supply Voltage | 3.3 V | V |
| Analog Supply Current | 90 mA | mA |
| Digital Supply Current | 10 mA | mA |
| Power Consumption | 270 mW | mW |
| Operating Temperature Range | −40°C to 85°C | °C |
| Package Type | TQFP-48 |
Key Features
- 14-bit resolution with sampling rates of 1, 3, and 8 MSPS
- Differential inputs and programmable gain amplifier
- Internal reference with the option to use an external precision reference
- µP-compatible parallel interface with 3-state buffers for direct connection to a data bus
- Timing compatible with TMS320C6000 DSP
- Single 3.3-V supply and power-down mode
- Monolithic CMOS design
- Programmable gain amplifier with eight gain settings (0 to 7 dB in steps of 1 dB)
- Offset compensation and out-of-range indication
- Test modes for ADC core operation
Applications
- xDSL front ends
- Communication systems
- Industrial control systems
- Instrumentation
- Automotive systems
Q & A
- What is the resolution of the THS1403IPFB ADC?
The THS1403IPFB has a 14-bit resolution.
- What are the available sampling rates for the THS1403IPFB?
The THS1403IPFB is available with sampling rates of 1, 3, and 8 MSPS.
- Does the THS1403IPFB have an internal reference?
Yes, the THS1403IPFB has an internal reference, but it also supports the use of an external precision reference.
- What type of interface does the THS1403IPFB use?
The THS1403IPFB uses a µP-compatible parallel interface with 3-state buffers.
- What is the supply voltage for the THS1403IPFB?
The supply voltage for the THS1403IPFB is 3.3 V.
- What is the operating temperature range for the THS1403IPFB?
The operating temperature range for the THS1403IPFB is −40°C to 85°C.
- What package types are available for the THS1403IPFB?
The THS1403IPFB is available in a TQFP-48 package.
- Does the THS1403IPFB support power-down mode?
Yes, the THS1403IPFB supports a power-down mode.
- What are some common applications for the THS1403IPFB?
Common applications include xDSL front ends, communication systems, industrial control systems, instrumentation, and automotive systems.
- How does the programmable gain amplifier work on the THS1403IPFB?
The programmable gain amplifier on the THS1403IPFB has eight gain settings ranging from 0 to 7 dB in steps of 1 dB, which can be changed by writing to the PGA gain register.
