Overview
The TL852CDR is an economical sonar ranging receiver integrated circuit designed by Texas Instruments. It is specifically intended for use with the TL851 control integrated circuit in sonar ranging modules. This IC is optimized for applications requiring minimal external components and easy interface with electrostatic or piezoelectric transducers. The TL852CDR operates within a frequency range of 20 kHz to 90 kHz, making it suitable for various sonar distance measurement tasks.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5 | 6.8 | V |
| Operating Frequency Range | 20 kHz | 90 kHz | ||
| High-Level Input Voltage (VIH) | 2.1 | V | ||
| Low-Level Input Voltage (VIL) | 0.6 | V | ||
| Bias Resistor Range | 64 kΩ | 72 kΩ | ||
| Operating Free-Air Temperature | 0°C | 40°C | ||
| Package Type | 16-SOIC | |||
| Number of Pins | 16 |
Key Features
- Digitally controlled variable-gain and variable-bandwidth amplifier.
- Interfaces to electrostatic or piezoelectric transducers.
- Operates from power sources of 4.5 V to 6.8 V.
- TTL-compatible inputs.
- Adjustable gain with external resistors.
- Internal biasing reference provided by an external resistor.
- AC coupling between stages of the amplifier for proper biasing.
- Receive output is integrated using a capacitor to filter noise pulses.
Applications
The TL852CDR is primarily used in sonar ranging modules, particularly those utilizing the TL851 control integrated circuit. It is suitable for various distance measurement applications, including those involving electrostatic or piezoelectric transducers. The IC's adjustable gain and bandwidth make it versatile for different environmental conditions and signal attenuation scenarios.
Q & A
- What is the operational frequency range of the TL852CDR?
The TL852CDR operates within a frequency range of 20 kHz to 90 kHz. - What is the recommended supply voltage for the TL852CDR?
The recommended supply voltage range is from 4.5 V to 6.8 V. - How is the gain of the TL852CDR controlled?
The gain is controlled digitally using inputs GCA, GCB, GCC, and GCD, and can also be adjusted with external resistors. - What type of transducers can the TL852CDR interface with?
The TL852CDR can interface with both electrostatic and piezoelectric transducers. - What is the purpose of the external 68-kΩ resistor in the TL852CDR circuit?
The external 68-kΩ resistor provides the internal biasing reference for the IC. - How does the receive output of the TL852CDR handle noise pulses?
The receive output is integrated using a capacitor to filter out noise pulses. - What is the operating temperature range for the TL852CDR?
The operating temperature range is from 0°C to 40°C. - Is the TL852CDR RoHS compliant?
Yes, the TL852CDR is RoHS compliant. - What package types are available for the TL852CDR?
The TL852CDR is available in 16-SOIC and PDIP packages. - How many pins does the TL852CDR have?
The TL852CDR has 16 pins.
