TLV5617A - Dual 10-Bit DAC, 2.7-5.5V | Texas Instruments
부품 번호: TLV5617A ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $2.5 | $2.50 |
| 10 | $2.25 | $22.50 |
| 100 | $1.95 | $195.00 |
| 500 | $1.75 | $875.00 |
| 1,000 | $1.55 | $1,550.00 |
TLV5617A 개요
A digital-to-analog converter (DAC) is an electronic circuit that converts digital binary data into an analog voltage or current. The TLV5617A is a voltage-output DAC, meaning it produces a voltage proportional to the digital input. It is part of the broader family of data converters, which are essential in mixed-signal systems where digital processing must interface with the analog world. DACs are used in applications such as audio playback, motor control, and sensor calibration.
Key features of the TLV5617A include dual 10-bit resolution, programmable settling time (fast mode: 3 µs, slow mode: 10 µs), and a rail-to-rail output buffer with Class-AB stage. The device also offers a power-down mode that reduces quiescent current to 1 µA, making it ideal for battery-powered equipment. The serial interface accepts a 16-bit word consisting of 4 control bits and 10 data bits, allowing flexible configuration.
The TLV5617A uses a resistor-string architecture with a x2 gain rail-to-rail output buffer, ensuring low glitch energy and monotonic performance. The output buffer can drive capacitive loads up to 100 pF without external compensation. The device is specified over the industrial temperature range of -40°C to +85°C and is RoHS compliant.
Typical applications include programmable voltage sources, digital gain and offset adjustment, and industrial process control. The low power consumption and small package make it suitable for portable instrumentation and battery-powered devices. The serial interface simplifies connection to microcontrollers and DSPs, reducing board space and pin count.
When designing with the TLV5617A, ensure that the reference voltage is stable and bypassed with a 0.1 µF capacitor. The power supply should be decoupled with a 1 µF capacitor close to the VDD pin. The serial clock frequency should not exceed 20 MHz to maintain reliable communication.
드롭인 대체품: TLV5617A — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
TLC5617AID
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
TLV5618AID
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
DAC8550IDGKT
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
AD5308ARUZ
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
MCP4922-E/P
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
TLV5617A 최대 정격 & 전기적 특성
| 분해능 | 10 bits |
| Number of Channels | 2 |
| Supply Voltage Range | 2.7 V to 5.5 V |
| 인터페이스 | 3-wire serial (SPI, QSPI, Microwire, TMS320) |
| Settling Time (Fast Mode) | 3 µs |
| Settling Time (Slow Mode) | 10 µs |
| 출력 유형 | Voltage - Buffered |
| Output Buffer | x2 gain rail-to-rail, Class-AB |
| Power-Down Current | 1 µA (typical) |
| 동작 온도 범위 | -40°C to +85°C |
| 패키지 | 8-SOIC |
| 실장 유형 | Surface Mount |
| RoHS | Compliant |
| Serial Word Length | 16 bits (4 control + 10 data) |
TLV5617A 핀 구성
| 핀 1 | DIN — Serial data input |
| 핀 2 | SCLK — Serial clock input |
| 핀 3 | CS — Chip select (active low) |
| 핀 4 | DOUT — Serial data output (for daisy-chaining) |
| 핀 5 | AGND — Analog ground |
| 핀 6 | REF — Reference voltage input |
| 핀 7 | OUTB — DAC B output |
| 핀 8 | OUTA — DAC A output |
일반적인 애플리케이션
TLV5617A 적합 용도: 6 애플리케이션s: Programmable Voltage Source, Digital Gain and Offset Adjustment, Industrial Process Control, Battery-Powered Instrumentation, Audio Volume Control, Sensor Calibration.
Programmable Voltage Source
The TLV5617A provides a dual 10-bit voltage output that can be programmed via a serial interface, making it ideal for generating precise analog voltages in test equipment and calibration systems. Its low power consumption and small package enable compact designs. The fast settling time of 3 µs allows rapid updates, while the rail-to-rail output maximizes the usable voltage range. Designers can use the power-down mode to conserve energy when the output is not needed.
추천
Digital Gain and Offset Adjustment
In signal conditioning circuits, the TLV5617A can be used to digitally adjust gain and offset of amplifiers or filters. Its dual channels allow independent adjustment of two parameters simultaneously. The 10-bit resolution provides fine adjustment steps, and the serial interface simplifies control from a microcontroller. The low power consumption is beneficial in portable instruments. The rail-to-rail output ensures the adjustment range covers the full supply span.
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Industrial Process Control
The TLV5617A is suitable for industrial control systems where analog setpoints or control voltages are required. Its wide supply voltage range (2.7V to 5.5V) allows operation from standard industrial rails. The serial interface is compatible with common microcontrollers and PLCs. The industrial temperature range (-40°C to +85°C) ensures reliable operation in harsh environments. The power-down mode helps reduce energy consumption in standby conditions.
추천
Battery-Powered Instrumentation
The TLV5617A's low power consumption and power-down mode make it ideal for battery-powered devices such as handheld meters and portable data loggers. The 1 µA power-down current extends battery life significantly. The small 8-SOIC package saves board space. The serial interface minimizes pin count, reducing the microcontroller's I/O requirements. The wide supply range accommodates battery voltage variations.
추천
Audio Volume Control
The TLV5617A can be used as a digital volume control in audio systems, providing dual-channel attenuation or gain. Its 10-bit resolution offers 1024 steps, allowing precise volume adjustment. The fast settling time ensures minimal audio artifacts during changes. The rail-to-rail output can drive line-level inputs directly. The low noise and distortion characteristics are suitable for consumer audio applications.
추천
Sensor Calibration
In sensor systems, the TLV5617A can generate calibration voltages to compensate for sensor offset and gain errors. Its dual channels allow simultaneous calibration of two sensors or two parameters. The serial interface enables automated calibration during production. The low power consumption is advantageous in wireless sensor nodes. The industrial temperature range ensures accuracy across environmental variations.
추천
추천 제품 요약
엔지니어링 참조 데이터: TLV5617A — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | TLC5617AID | TLV5618AID | MCP4922-E/P |
|---|---|---|---|---|
| Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Microchip Technology |
| Resolution | 10 bits | 10 bits | 12 bits | 12 bits |
| Number of Channels | 2 | 2 | 2 | 2 |
| Supply Voltage Range | 2.7V to 5.5V | 4.5V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V |
| Interface | 3-wire serial (SPI, QSPI, Microwire) | 3-wire serial (SPI, QSPI, Microwire) | 3-wire serial (SPI, QSPI, Microwire) | SPI |
| Settling Time | 3 µs (fast), 10 µs (slow) | 3 µs (fast), 10 µs (slow) | 3 µs (fast), 10 µs (slow) | 4.5 µs |
| Power-Down Mode | Yes (1 µA) | No | Yes (1 µA) | Yes (0.5 µA) |
주요 차별점
- Low power consumption with power-down mode (vs TLC5617AID)
- Wide supply voltage range (vs TLC5617AID)
- Pin-compatible with higher-resolution TLV5618A (vs TLV5618AID)
설계 노트
Decouple the VDD pin with a 1 µF ceramic capacitor placed as close to the pin as possible. Additionally, place a 0.1 µF capacitor in parallel for high-frequency noise suppression. The reference input (REF) should be bypassed with a 0.1 µF capacitor to ground to ensure stable operation.
Keep the analog output traces short and away from digital signals to minimize noise coupling. Use a ground plane to provide a low-impedance return path. The serial interface lines (DIN, SCLK, CS) should be routed with controlled impedance if the trace length exceeds 1 inch.
Ensure the serial clock frequency does not exceed 20 MHz to avoid communication errors. The CS pin must be held low during the entire 16-bit data transfer. Also, verify that the reference voltage is within the specified range to prevent output saturation.
규정 준수 정보
RoHS compliant per TI product page. AEC-Q100 not applicable for this non-automotive part.
