TLV5580IPWG4 - 8-Bit 80 MSPS Low-Power ADC | Texas Instruments
MPN: TLV5580IPWG4 ✗ Cuối đờiTLV5580IPWG4 Tóm tắt
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples a continuous analog waveform and produces a discrete binary code proportional to the input amplitude. The TLV5580 belongs to the pipelined ADC family, which sits in the hierarchy: ADC -> data converter -> data acquisition IC -> mixed-signal semiconductor. Pipelined ADCs use multiple low-resolution stages to achieve high sample rates at modest power, making them a standard choice for IF-sampling communications, CCD imaging, and digital oscilloscope front ends.
Key features of the TLV5580 include 80 MSPS maximum sampling rate, single 3.3 V supply operation, 3.3 V TTL/CMOS-compatible digital I/O that simplifies interface to modern FPGAs and ASICs, an internal bottom-plate reference that reduces external component count, and an adjustable reference input for gain trim. The 700 MHz analog input bandwidth supports undersampling architectures where the ADC digitizes IF frequencies well above Nyquist. The 28-TSSOP (PW) footprint is pin-compatible across the broader TLV/TLC ADC family from Texas Instruments.
Architecturally the device uses a multi-stage pipeline with internal sample-and-hold and digital error correction. The combination of 80 MSPS and 8-bit resolution keeps per-conversion power low (single-digit mA from a 3.3 V rail), which is the original design target: applications where the ADC must sit on the same board as noisy digital logic without dominating the power budget. The TLV5580 has been replaced by the ADS831 in TI's portfolio but remains specified and available for legacy designs.
Typical applications include CCD imaging digitizers, video capture front ends, IF-sampling communications receivers, portable battery-powered instrumentation, and digital oscilloscope input stages. In each case the part provides a compact, low-power, single-supply path from analog to digital.
When designing with the TLV5580, decouple AVDD and DVDD separately close to the package and follow standard pipelined-ADC layout practice: keep analog input traces short, use a ground plane under the analog input, and provide a clean 3.3 V rail. The PW suffix indicates tube packaging; the device is also offered in tape and reel as TLV5580IPWR.
Bộ thay thế dễ dàng lắp đặt cho TLV5580IPWG4 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với TLV5580IPWG4 (cùng hình factor và footprint) — khác nhau ở Architecture, Operating Temperature, Package, Resolution.
ADS831IPWR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADS831IPW
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
TLV5580IPWR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
TLC5540IPWR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
TLV2545IDGKR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →TLV5580IPWG4 Tỷ lệ tối đa & tính chất điện
| Độ phân giải | 8 bit |
| Number of Channels | 1 Input |
| Architecture | Pipelined |
| Tỷ lệ lấy mẫu | 80 MSPS |
| Analog Input Bandwidth | 700 MHz (typ) |
| Điện áp cung cấp | 3.3 V single supply |
| Digital I/O Logic | 3.3 V TTL/CMOS-compatible |
| Data Interface | Parallel |
| Conversion Time | 0.0125 us (typ) |
| Reference | Internal top and bottom; adjustable reference input |
| Nhiệt độ hoạt động | -40C to +85C (industrial) |
| Hộp | 28-TSSOP (PW, 0.173 in / 4.40 mm width) |
| Kiểu lắp đặt | Surface Mount |
| Terminal Form | Gull Wing |
| Number of Terminals | 28 |
| Packaging | Tube (PW suffix); also offered in tape and reel (PWR) |
Cấu hình chân TLV5580IPWG4
| Chân 1 | AVDD — Analog supply voltage (3.3 V) |
| Chân 2 | AIN — Analog input |
| Chân 3 | AGND — Analog ground |
| Chân 4 | REFT — Reference top (internal) |
| Chân 5 | REFB — Reference bottom (internal) |
| Chân 6 | VREF — Reference adjust input |
| Chân 7 | AGND — Analog ground |
| Chân 8 | AVDD — Analog supply voltage (3.3 V) |
| Chân 9 | CLK — Clock input |
| Chân 10 | CLKB — Complementary clock input |
| Chân 11 | PD — Power-down control |
| Chân 12 | DVDD — Digital supply voltage (3.3 V) |
| Chân 13 | DGND — Digital ground |
| Chân 14 | D7 — Data output bit 7 (MSB) |
| Chân 15 | D6 — Data output bit 6 |
| Chân 16 | D5 — Data output bit 5 |
| Chân 17 | D4 — Data output bit 4 |
| Chân 18 | DVDD — Digital supply voltage (3.3 V) |
| Chân 19 | DGND — Digital ground |
| Chân 20 | D3 — Data output bit 3 |
| Chân 21 | D2 — Data output bit 2 |
| Chân 22 | D1 — Data output bit 1 |
| Chân 23 | D0 — Data output bit 0 (LSB) |
| Chân 24 | DGND — Digital ground |
| Chân 25 | DVDD — Digital supply voltage (3.3 V) |
| Chân 26 | OEB — Output enable (active low) |
| Chân 27 | AVDD — Analog supply voltage (3.3 V) |
| Chân 28 | AGND — Analog ground |
Ứng dụng tiêu biểu
TLV5580IPWG4 phù hợp cho 6 Áp dụngs: CCD Imaging Digitizer, Video Capture Front End, IF-Sampling Communications Receiver, Portable Battery-Powered Instrumentation, Digital Oscilloscope Input Stage, Industrial Process Control Data Acquisition.
CCD Imaging Digitizer
The TLV5580IPWG4 suits CCD imaging front ends where the analog pixel stream must be digitized at high speed for image reconstruction. Its 80 MSPS sample rate exceeds the pixel clock of VGA-resolution CCD cameras, while the 700 MHz analog input bandwidth preserves the fast edge transitions typical of CCD output stages. The 8-bit resolution matches the dynamic range of consumer CCD imagers, and the parallel 3.3 V CMOS outputs drive an FPGA image pipeline directly. Single 3.3 V operation simplifies power design in compact camera modules where space is at a premium.
Được đề xuất
Video Capture Front End
In video capture applications the TLV5580IPWG4 acts as the digitizer between a video amplifier and an FPGA-based scaler/encoder. The 80 MSPS sample rate supports standard-definition and EDTV video bandwidths, while the 8-bit resolution is sufficient for compressed video pipelines such as MPEG-2 and H.264 encode. The 700 MHz input bandwidth handles luma/chroma transitions cleanly, and the parallel output keeps latency low for real-time processing. Designers benefit from single 3.3 V supply operation that fits small-form-factor capture cards.
Được đề xuất
IF-Sampling Communications Receiver
The TLV5580IPWG4 enables IF-sampling receivers by digitizing intermediate-frequency signals in software-defined radio architectures. The 700 MHz analog input bandwidth allows the ADC to undersample IF frequencies well above Nyquist, while 80 MSPS captures the full IF bandwidth of common 2G/3G cellular and ISM-band signals. The 8-bit resolution is sufficient for envelope detection and AGC loops, and the parallel interface feeds an FPGA digital downconverter directly. Low single-supply power makes the part attractive for portable SDR hardware.
Được đề xuất
Portable Battery-Powered Instrumentation
The TLV5580IPWG4 fits battery-powered test instruments where power budget, board area, and single-supply operation dominate the design trade-off. Its low mA-class consumption at 80 MSPS preserves battery life in handheld oscilloscopes and field-portable data loggers. The 700 MHz input bandwidth covers signals beyond audio into video and IF ranges, while the parallel 3.3 V outputs integrate with low-power FPGAs without level shifters. Industrial -40C to +85C rating supports outdoor and industrial deployments.
Được đề xuất
Digital Oscilloscope Input Stage
In low-bandwidth digital oscilloscopes the TLV5580IPWG4 serves as the digitizer after the front-end attenuator and amplifier chain. Its 80 MSPS real-time sample rate captures repetitive waveforms up to tens of MHz with equivalent-time reconstruction, and the 700 MHz analog input bandwidth preserves fast edge fidelity. The 8-bit resolution is consistent with cost-optimized scope designs, and the parallel CMOS outputs feed a memory buffer FPGA in real time. Single 3.3 V supply simplifies thermal and power design in compact handheld scopes.
Được đề xuất
Industrial Process Control Data Acquisition
Industrial data-acquisition boards use the TLV5580IPWG4 to digitize fast analog control loops such as vibration, sonar, and ultrasonic sensors. The 80 MSPS sample rate exceeds the bandwidth of mechanical vibration signals, while the 700 MHz input bandwidth handles ultrasonic transducer outputs cleanly. The industrial -40C to +85C rating covers factory floor and outdoor cabinet environments, and the 3.3 V CMOS outputs interface directly to industrial FPGAs. The 28-TSSOP footprint supports high-density multi-channel DAQ boards.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho TLV5580IPWG4 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ADS831IPWR | ADS831IPW | TLV5580IPWR | TLC5540IPWR | TLV2545IDGKR |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 28-TSSOP (PW) | 28-TSSOP (PW) - same | 28-TSSOP (PW) - same | 28-TSSOP (PW) - same | 28-TSSOP (PW) - same | 28-TSSOP (DGK) - same TSSOP-28 family |
| Resolution | 8 bit | 8 bit | 8 bit | 8 bit | 8 bit | 12 bit |
| Sample Rate | 80 MSPS | 80 MSPS | 80 MSPS | 80 MSPS | 40 MSPS | 200 kSPS |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | SAR |
| Channels | 1 | 1 | 1 | 1 | 1 | 1 |
| Supply Voltage | 3.3 V single | 3.3 V single | 3.3 V single | 3.3 V single | 5 V single | 2.7-5.5 V |
| Data Interface | Parallel | Parallel | Parallel | Parallel | Parallel | Serial SPI |
| Lifecycle Status | NRND | Active | Active | NRND | NRND | Active |
Bảo phân biệt quan trọng
- TI-specified ADS831 drop-in replacement available with active lifecycle (vsADS831IPWR)
- 700 MHz analog input bandwidth supports undersampling (vsTLV2545IDGKR)
- Higher sample rate than slower TI ADC family members (vsTLC5540IPWR)
Ghi chú thiết kế
Estimated: the TLV5580IPWG4 specifies a single 3.3 V supply but separates analog (AVDD) and digital (DVDD) domains internally. Place a ferrite bead or small resistor between AVDD and DVDD supplies, and decouple each pin with a 0.1 uF ceramic capacitor as close to the package as possible. Add a bulk 10 uF tantalum or ceramic capacitor near the supply entry to handle transient current demand at 80 MSPS. Keep analog and digital grounds joined at a single star point under the IC.
Estimated: the pipelined ADC has 700 MHz analog input bandwidth and is sensitive to clock jitter on CLK and to digital output noise coupling into AVDD. Route the clock trace as a short, controlled-impedance line, and shield it from the analog input trace. Use a continuous ground plane under the analog input network and avoid routing digital outputs (D0-D7) directly under the analog input pin. Maintain 50 ohm characteristic impedance on the analog input trace to preserve 700 MHz bandwidth.
The TLV5580IPWG4 uses a parallel 3.3 V CMOS output bus that switches up to 80 million times per second. Each transition draws brief current spikes that can couple into the analog supply. Use output series resistors (22-33 ohm) close to the digital outputs to dampen ringing, and keep output trace lengths matched within 1-2 cm to avoid skew. Consider an external output buffer if driving long traces or many loads.
Do not exceed the absolute maximum analog input voltage range; overdrive at AIN can permanently damage the input protection structure. Make sure the CLK input is clean - jitter on the clock translates directly into SNR degradation. Verify the reference voltage setting (VREF pin) before sampling - an incorrect reference causes systematic gain error. The TLV5580 is NRND, so for new designs the TI-recommended ADS831 pin-compatible replacement should be used instead.
Thông tin tuân thủ
Pb-free 28-TSSOP package; RoHS/REACH compliant per Texas Instruments product declaration. Not AEC-Q100 qualified - for automotive applications consider AEC-Q100 qualified alternatives from the TI ADC portfolio.
