THS1207IDA - 12-Bit 6MSPS Quad ADC | Texas Instruments
MPN： THS1207IDA ✓ 啟用中THS1207IDA 概覽
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.
直接替換替代品，適用於 THS1207IDA — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： THS1207IDA （相同外形與佔位） — 差異在於 Package, Resolution, Architecture, Input Type, Operating Temperature Range.
THS1207IDAG4
✅ 直接替換📋 參考替代品（不在目錄中）
THS1207CDAR
✅ 直接替換📋 參考替代品（不在目錄中）
ADS7800KU/1K
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →ADS1258-EP
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →THS1207IDA 最大額定值與電氣特性
| 解析度 | 12 Bit |
| 取樣率 | 6 MSPS |
| Number of Input Channels | 2, 4 |
| Input Type | Differential, Single Ended |
| 介面 | Parallel |
| Architecture | Pipelined |
| 供應電壓 | 5 V |
| 工作溫度範圍 | -40°C to 85°C |
| 封裝 | 32-TSSOP (DA) |
| 安裝類型 | Surface Mount |
| 腳位數 | 32 |
| 輸出類型 | CMOS/TTL |
| Reference Type | Internal |
THS1207IDA 腳位配置
| 腳位 1 | AVDD — Analog power supply |
| 腳位 2 | AVSS — Analog ground |
| 腳位 3 | AINP1 — Analog input 1 positive |
| 腳位 4 | AINM1 — Analog input 1 negative |
| 腳位 5 | AINP2 — Analog input 2 positive |
| 腳位 6 | AINM2 — Analog input 2 negative |
| 腳位 7 | AINP3 — Analog input 3 positive |
| 腳位 8 | AINM3 — Analog input 3 negative |
| 腳位 9 | AINP4 — Analog input 4 positive |
| 腳位 10 | AINM4 — Analog input 4 negative |
| 腳位 11 | REFB — Reference bypass |
| 腳位 12 | REFOUT — Reference output |
| 腳位 13 | DVDD — Digital power supply |
| 腳位 14 | DVSS — Digital ground |
| 腳位 15 | D0 — Data output bit 0 |
| 腳位 16 | D1 — Data output bit 1 |
| 腳位 17 | D2 — Data output bit 2 |
| 腳位 18 | D3 — Data output bit 3 |
| 腳位 19 | D4 — Data output bit 4 |
| 腳位 20 | D5 — Data output bit 5 |
| 腳位 21 | D6 — Data output bit 6 |
| 腳位 22 | D7 — Data output bit 7 |
| 腳位 23 | D8 — Data output bit 8 |
| 腳位 24 | D9 — Data output bit 9 |
| 腳位 25 | D10 — Data output bit 10 |
| 腳位 26 | D11 — Data output bit 11 |
| 腳位 27 | CS — Chip select |
| 腳位 28 | RD — Read strobe |
| 腳位 29 | WR — Write strobe |
| 腳位 30 | CONVST — Conversion start |
| 腳位 31 | BUSY — Busy output |
| 腳位 32 | CLK — Clock input |
典型應用
THS1207IDA 適用於 6 應用s: 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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
推薦產品摘要
工程參考資料，適用於 THS1207IDA — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | 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 |
主要差異化特點
- Simultaneous sampling of four channels (對比ADS7800KU/1K)
- Higher sampling rate than delta-sigma alternatives (對比ADS1258-EP)
- Parallel interface for low-latency data transfer (對比ADS1217)
設計說明
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.
合規資訊
RoHS compliant per TI product page. Not AEC-Q100 qualified.
