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LTC2311IMSE-14#TRPBF
Electronics Part Number
LTC2311IMSE-14#TRPBF-WXManufacturer
Texas Instruments
LTC2311IMSE-14#TRPBF
Description
IC 14-Bit SAR Analog-to-Digital Converter, MSOP-16Inventory
530 Pcs New Original In Stock
ADC; 14-bit; 1 input SAR; 16-MSOP-EP.
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Basic cost: USD 70.00
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Technical Specifications
Category
Interface, UARTs (Universal Asynchronous Receiver Transmitter)
Manufacturer
Texas Instruments
Packaging
Cut Tape (CT) & Digi-Reel®
Mounting Type
Surface Mount
Package / Case
48-TQFP
Series
-
Features
Internal Oscillator, Timer/Counter
Base Product Number
TL16C752
Product Status
Active
Number of Channels
2, DUART
Voltage - Supply
1.62V ~ 5.5V
Supplier Device Package
48-TQFP (7x7)
Data Rate (Max)
3Mbps
Protocol
RS485
FIFO's
64 Byte
With Auto Flow Control
Yes
With IrDA Encoder/Decoder
Yes
With False Start Bit Detection
Yes
With Modem Control
Yes
Data Sheet Document (D)
Datasheets
Download TL16C752DPFBR Product Specification (PDF)
HTML Datasheet
TL16C752DPFBR-DG
Manufacturer Product Page
TL16C752DPFBR Specifications
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
TL16C752DPFBR-DG 296-44525-2 296-44525-1 296-44525-6
Standard Package
1,000
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Frequently Asked Questions (FAQ)
How can I determine if the TL16C752DPFBR is a suitable drop-in replacement for the MAX3107 in a dual
The TL16C752DPFBR can serve as a functional alternative to the MAX3107 in many dual-channel RS485 applications, but key differences must be evaluated. Unlike the MAX3107, the TL16C752DPFBR lacks integrated transceivers and requires external RS485 transceivers such as the SN65HVD72. However, it offers a larger 64-byte FIFO (vs. 128-byte in MAX3107) and wider supply voltage range (1.62V–5.5V), improving compatibility with mixed-voltage systems. Ensure your design accounts for different register maps and interrupt handling; a firmware adaptation layer may be required. Always verify timing compliance with 3Mbps max data rate under your bus loading conditions.
What are the risks of using the TL16C752DPFBR in a high-noise factory automation environment, and ho
In electrically noisy environments like factory floors, spurious glitches on serial lines can trigger invalid UART receptions. The TL16C752DPFBR includes false start bit detection, which helps reject transient noise pulses that might otherwise be misinterpreted as valid start bits, improving data integrity. To maximize reliability, pair this feature with proper PCB layout practices: use shielded twisted-pair cabling, add series ferrites on differential lines, and place the TL16C752DPFBR close to the RS485 transceiver. Also, enable the 64-byte FIFO and use interrupt-driven data handling to minimize data loss during CPU latency spikes.
Can the internal oscillator of the TL16C752DPFBR be used instead of an external crystal, and what ar
Yes, the TL16C752DPFBR supports an internal oscillator, but its accuracy is typically ±1.5% over temperature—less precise than a 0.1%–0.5% external crystal. At higher baud rates (e.g., 115.2 kbps or above), this variation increases the risk of timing errors, especially when communicating with tightly-tolerant devices. For reliable operation above 230.4 kbps, TI recommends using an external crystal or oscillator. If using the internal oscillator, keep baud rates below 115.2 kbps and ensure end-to-end error checking (e.g., CRC in protocol) to mitigate silent data corruption.
What design considerations are critical when integrating the TL16C752DPFBR in a space-constrained 48
The 7x7mm 48-TQFP package of the TL16C752DPFBR demands careful thermal and EMI management in dense layouts. Use a minimum 4-layer stack-up with a solid ground plane beneath the device to reduce noise coupling. For thermal performance, connect the exposed pad (if present; verify with footprint) to ground via multiple vias to improve heat dissipation, though the device’s low power generally keeps self-heating minimal. Avoid routing high-speed signals near the crystal (if used) or UART lines, and decouple the VCC pin with a 0.1µF ceramic capacitor placed within 3mm. Confirm that your reflow profile respects the MSL2 rating to prevent popcorning during assembly.
How does auto flow control on the TL16C752DPFBR improve system reliability in a multi-device RS485 n
The TL16C752DPFBR’s hardware auto flow control (using RTS/CTS signals) reduces CPU overhead and prevents FIFO overflow during bursty data transmission in RS485 networks. Unlike software handshaking (XON/XOFF), which is vulnerable to data collisions and timing delays, hardware flow control reacts within microseconds, crucial for maintaining throughput at 3Mbps. To implement it effectively, ensure that connected microcontrollers or FPGAs support RTS/CTS signaling and configure the TL16C752DPFBR’s EFR register to enable auto flow control mode. This is especially beneficial in half-duplex RS485 systems where timely driver enable/disable control is critical to avoid bus contention.
How can I determine if the TL16C752DPFBR is a suitable drop-in replacement for the MAX3107 in a dual
The TL16C752DPFBR can serve as a functional alternative to the MAX3107 in many dual-channel RS485 applications, but key differences must be evaluated. Unlike the MAX3107, the TL16C752DPFBR lacks integrated transceivers and requires external RS485 transceivers such as the SN65HVD72. However, it offers a larger 64-byte FIFO (vs. 128-byte in MAX3107) and wider supply voltage range (1.62V–5.5V), improving compatibility with mixed-voltage systems. Ensure your design accounts for different register maps and interrupt handling; a firmware adaptation layer may be required. Always verify timing compliance with 3Mbps max data rate under your bus loading conditions.
What are the risks of using the TL16C752DPFBR in a high-noise factory automation environment, and ho
In electrically noisy environments like factory floors, spurious glitches on serial lines can trigger invalid UART receptions. The TL16C752DPFBR includes false start bit detection, which helps reject transient noise pulses that might otherwise be misinterpreted as valid start bits, improving data integrity. To maximize reliability, pair this feature with proper PCB layout practices: use shielded twisted-pair cabling, add series ferrites on differential lines, and place the TL16C752DPFBR close to the RS485 transceiver. Also, enable the 64-byte FIFO and use interrupt-driven data handling to minimize data loss during CPU latency spikes.
Can the internal oscillator of the TL16C752DPFBR be used instead of an external crystal, and what ar
Yes, the TL16C752DPFBR supports an internal oscillator, but its accuracy is typically ±1.5% over temperature—less precise than a 0.1%–0.5% external crystal. At higher baud rates (e.g., 115.2 kbps or above), this variation increases the risk of timing errors, especially when communicating with tightly-tolerant devices. For reliable operation above 230.4 kbps, TI recommends using an external crystal or oscillator. If using the internal oscillator, keep baud rates below 115.2 kbps and ensure end-to-end error checking (e.g., CRC in protocol) to mitigate silent data corruption.
What design considerations are critical when integrating the TL16C752DPFBR in a space-constrained 48
The 7x7mm 48-TQFP package of the TL16C752DPFBR demands careful thermal and EMI management in dense layouts. Use a minimum 4-layer stack-up with a solid ground plane beneath the device to reduce noise coupling. For thermal performance, connect the exposed pad (if present; verify with footprint) to ground via multiple vias to improve heat dissipation, though the device’s low power generally keeps self-heating minimal. Avoid routing high-speed signals near the crystal (if used) or UART lines, and decouple the VCC pin with a 0.1µF ceramic capacitor placed within 3mm. Confirm that your reflow profile respects the MSL2 rating to prevent popcorning during assembly.
How does auto flow control on the TL16C752DPFBR improve system reliability in a multi-device RS485 n
The TL16C752DPFBR’s hardware auto flow control (using RTS/CTS signals) reduces CPU overhead and prevents FIFO overflow during bursty data transmission in RS485 networks. Unlike software handshaking (XON/XOFF), which is vulnerable to data collisions and timing delays, hardware flow control reacts within microseconds, crucial for maintaining throughput at 3Mbps. To implement it effectively, ensure that connected microcontrollers or FPGAs support RTS/CTS signaling and configure the TL16C752DPFBR’s EFR register to enable auto flow control mode. This is especially beneficial in half-duplex RS485 systems where timely driver enable/disable control is critical to avoid bus contention.
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Sep 15 2026
