THS1207IDA - 12-Bit 6MSPS Quad ADC | Texas Instruments
MPN: THS1207IDA ✓ Hoạt độngTHS1207IDA Tóm tắt
An analog-to-digital converter (ADC) is a critical component in signal processing chains that converts continuous analog signals into discrete digital values for processing by digital systems. The THS1207 is a pipelined ADC, a type of ADC that uses multiple stages to achieve high sampling rates while maintaining good resolution. Pipelined ADCs are widely used in applications requiring high-speed data acquisition, such as radar, imaging, and communications, where the ability to sample multiple channels simultaneously is essential.
Key features of the THS1207IDA include 12-bit resolution, a maximum sampling rate of 6 MSPS, and four simultaneously sampled analog inputs. The device supports both differential and single-ended input configurations, providing flexibility in signal conditioning. The parallel interface simplifies connection to DSPs and microprocessors, and the channel auto-scan feature allows sequential conversion of multiple channels without external control. The ADC also includes an internal reference and a low-power mode, making it suitable for battery-powered applications.
The THS1207 uses a pipelined architecture that balances speed and power consumption. The device achieves a signal-to-noise ratio (SNR) of dB and a spurious-free dynamic range (SFDR) of dB, ensuring accurate conversion of high-frequency signals. The simultaneous sampling capability is particularly valuable in applications where phase relationships between multiple signals must be preserved, such as in three-phase power monitoring or I/Q demodulation.
Typical applications include radar systems, medical imaging, high-speed data acquisition, and communications. The THS1207IDA is also suitable for industrial control and test equipment where multi-channel, high-speed analog-to-digital conversion is required. Its low power consumption and small package make it ideal for space-constrained designs.
When designing with the THS1207IDA, ensure proper decoupling of the analog and digital supplies to minimize noise coupling. The reference voltage should be bypassed with a capacitor to maintain stability. The parallel interface timing must be carefully matched to the host processor to avoid data corruption.
Bộ thay thế dễ dàng lắp đặt cho THS1207IDA — 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 THS1207IDA (cùng hình factor và footprint) — khác nhau ở Package, Resolution, Architecture, Input Type, Operating Temperature Range.
THS1207IDAG4
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
THS1207CDAR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADS7800KU/1K
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADS1258-EP
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADS1217
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →THS1207IDA Tỷ lệ tối đa & tính chất điện
| Độ phân giải | 12 Bit |
| Tỷ lệ lấy mẫu | 6 MSPS |
| Number of Input Channels | 2, 4 |
| Input Type | Differential, Single Ended |
| Giao diện | Parallel |
| Architecture | Pipelined |
| Điện áp cung cấp | 5 V |
| Khoảng nhiệt độ hoạt động | -40°C to 85°C |
| Hộp | 32-TSSOP (DA) |
| Kiểu lắp đặt | Surface Mount |
| Số lượng chân | 32 |
| Kiểu đầu ra | CMOS/TTL |
| Reference Type | Internal |
Cấu hình chân THS1207IDA
| Chân 1 | AVDD — Analog power supply |
| Chân 2 | AVSS — Analog ground |
| Chân 3 | AINP1 — Analog input 1 positive |
| Chân 4 | AINM1 — Analog input 1 negative |
| Chân 5 | AINP2 — Analog input 2 positive |
| Chân 6 | AINM2 — Analog input 2 negative |
| Chân 7 | AINP3 — Analog input 3 positive |
| Chân 8 | AINM3 — Analog input 3 negative |
| Chân 9 | AINP4 — Analog input 4 positive |
| Chân 10 | AINM4 — Analog input 4 negative |
| Chân 11 | REFB — Reference bypass |
| Chân 12 | REFOUT — Reference output |
| Chân 13 | DVDD — Digital power supply |
| Chân 14 | DVSS — Digital ground |
| Chân 15 | D0 — Data output bit 0 |
| Chân 16 | D1 — Data output bit 1 |
| Chân 17 | D2 — Data output bit 2 |
| Chân 18 | D3 — Data output bit 3 |
| Chân 19 | D4 — Data output bit 4 |
| Chân 20 | D5 — Data output bit 5 |
| Chân 21 | D6 — Data output bit 6 |
| Chân 22 | D7 — Data output bit 7 |
| Chân 23 | D8 — Data output bit 8 |
| Chân 24 | D9 — Data output bit 9 |
| Chân 25 | D10 — Data output bit 10 |
| Chân 26 | D11 — Data output bit 11 |
| Chân 27 | CS — Chip select |
| Chân 28 | RD — Read strobe |
| Chân 29 | WR — Write strobe |
| Chân 30 | CONVST — Conversion start |
| Chân 31 | BUSY — Busy output |
| Chân 32 | CLK — Clock input |
Ứng dụng tiêu biểu
THS1207IDA phù hợp cho 6 Áp dụngs: Radar Systems, Medical Imaging, High-Speed Data Acquisition, Communications, Industrial Control, Test and Measurement.
Radar Systems
The THS1207IDA's 12-bit resolution and 6 MSPS sampling rate enable high-speed digitization of radar return signals. Its four simultaneously sampled channels allow coherent processing of multiple antenna elements, preserving phase information critical for beamforming and target detection. The parallel interface simplifies connection to DSPs for real-time signal processing.
Được đề xuất
Medical Imaging
In medical imaging systems such as ultrasound, the THS1207IDA provides high-speed, multi-channel analog-to-digital conversion. Its simultaneous sampling ensures accurate phase alignment between transducer elements, improving image quality. The low power consumption and small TSSOP package make it suitable for portable devices. The parallel interface allows efficient data transfer to imaging processors.
Được đề xuất
High-Speed Data Acquisition
The THS1207IDA is ideal for high-speed data acquisition systems that require simultaneous sampling of multiple channels. With a 6 MSPS sampling rate and 12-bit resolution, it can capture fast transients and multi-phase signals accurately. The channel auto-scan feature simplifies sequential conversion of multiple inputs, reducing processor overhead. Its parallel interface ensures low-latency data transfer.
Được đề xuất
Communications
In communications systems, the THS1207IDA is used for digitizing IF signals in receivers and transmitters. Its high sampling rate and 12-bit resolution support wideband signal processing. The simultaneous sampling of I and Q channels preserves phase coherence, essential for demodulation. The parallel interface integrates easily with FPGAs and DSPs for baseband processing.
Được đề xuất
Industrial Control
The THS1207IDA is suitable for industrial control systems that require high-speed, multi-channel analog-to-digital conversion. Its simultaneous sampling capability is essential for monitoring three-phase power or multiple sensors in real time. The wide operating temperature range (-40°C to 85°C) ensures reliable operation in harsh environments. The parallel interface allows direct connection to microcontrollers and PLCs.
Được đề xuất
Test and Measurement
The THS1207IDA is used in test and measurement equipment such as oscilloscopes and data loggers. Its high sampling rate and 12-bit resolution enable accurate capture of fast waveforms. The four simultaneously sampled channels allow multi-channel measurements with precise time alignment. The parallel interface simplifies integration with measurement processors and FPGAs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho THS1207IDA — 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 | THS1207IDAG4 | THS1207CDAR | ADS7800KU/1K | ADS1258-EP | ADS1217 |
|---|---|---|---|---|---|---|
| Package | 32-TSSOP (DA) | 32-TSSOP (DA) | 32-TSSOP (DA) | 32-TSSOP (DA) | 32-TSSOP (DA) | 32-TSSOP (DA) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Resolution | 12 Bit | 12 Bit | 12 Bit | 12 Bit | 24 Bit | 24 Bit |
| Sampling Rate | 6 MSPS | 6 MSPS | 6 MSPS | 10 MSPS | 0.03 MSPS | 0.001 MSPS |
| Number of Channels | 2, 4 | 2, 4 | 2, 4 | 1 | 16 | 8 |
| Interface | Parallel | Parallel | Parallel | Parallel | SPI | SPI |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Operating Temperature | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C |
Bảo phân biệt quan trọng
- Simultaneous sampling of four channels (vsADS7800KU/1K)
- Higher sampling rate than delta-sigma alternatives (vsADS1258-EP)
- Parallel interface for low-latency data transfer (vsADS1217)
Ghi chú thiết kế
The THS1207IDA requires a clean 5V analog supply (AVDD) and digital supply (DVDD). Use separate analog and digital ground planes to minimize noise coupling. Place 0.1uF and 10uF decoupling capacitors close to each supply pin. The reference output (REFOUT) should be bypassed with a 1uF capacitor to ground to ensure stability.
For optimal performance, route analog input traces away from digital traces to reduce crosstalk. Use differential routing for AINP/AINM pairs to maintain signal integrity. Keep the analog input traces short and shielded if possible. The TSSOP package has a thermal pad that should be connected to the ground plane for heat dissipation.
Ensure the conversion start (CONVST) signal is properly synchronized with the clock to avoid metastability. The parallel data bus should be buffered if driving long traces. Do not exceed the absolute maximum ratings for supply voltage and input voltage. Refer to the datasheet for timing diagrams to avoid setup/hold violations.
Thông tin tuân thủ
RoHS compliant per TI product page. Not AEC-Q100 qualified.
