ADS62P42IRGC25 - Dual 14-bit 65MSPS ADC, LVDS/CMOS | Texas Instruments
料号： ADS62P42IRGC25 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.65 | $346.50 |
| 100 | $30.8 | $3,080.00 |
| 500 | $27.5 | $13,750.00 |
| 1,000 | $24.2 | $24,200.00 |
ADS62P42IRGC25 概述
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples continuous-time analog input signals and produces discrete-time digital codes proportional to the input voltage. Pipeline ADCs such as the ADS62P42 family achieve high sampling rates (>10 MSPS) at moderate-to-high resolution (12-16 bit) by distributing the conversion across multiple low-resolution stages. Within the broader taxonomy, the ADS62P42 belongs to the pipeline ADC class, which itself sits under successive-approximation and flash hybrids on the high-speed converter hierarchy: ADC -> high-speed ADC -> pipeline ADC -> data converter IC -> mixed-signal semiconductor. Understanding this hierarchy helps engineers compare against SAR, sigma-delta, and integrating architectures for each application.
Key specifications include 14-bit resolution across two simultaneous channels, a 65 MSPS maximum sample rate per channel, internal reference (with optional external reference input), and DDR LVDS or CMOS digital interface. The device also includes a low-jitter clock buffer, configurable input full-scale range via the CTRL pins, and a serial peripheral interface (SPI) for advanced programming of internal registers, while simple modes can be set by parallel pin voltages at power-up.
Typical applications include multi-carrier wireless base-station receivers (LTE, WCDMA, TD-SCDMA, WiMAX), test and measurement instrumentation, medical imaging front ends (ultrasound beamforming), defense radar and signal-intelligence capture, and software-defined radio (SDR) platforms. The dual-channel architecture simplifies PCB layout for I/Q signal chains by providing matched ADCs on a single die. The integrated reference eliminates external reference noise and trimming cost, and the DDR LVDS interface reduces the FPGA pin count by clocking data on both edges of the output strobe.
When designing with this device, ensure the analog inputs are AC- or DC-coupled with proper 50-ohm or transformer termination, and follow TI's recommended decoupling scheme - typically a 10uF bulk plus 0.1uF and 10nF ceramics on each supply pin. The exposed pad must be soldered to a continuous ground plane to meet thermal and signal-integrity specifications.
直接替换替代料： ADS62P42IRGC25 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ADS62P42IRGC25 （相同外形与封装尺寸） ——差异在于 Package, Architecture, Input Type, Operating Temperature Range, Resolution.
快速对比工具——选择替代料号进行并排对比：
ADS62P22IRGC25
✅ 直接替换✓ 有现货
$15.5 / 个
查看数据手册 →ADS62P23IRGC25
✅ 直接替换✓ 有现货
$18.85 / 个
查看数据手册 →ADS62P42IRGCT
✅ 直接替换📋 参考替代料（不在目录中）
ADS62P42IRGCTG4
✅ 直接替换📋 参考替代料（不在目录中）
ADS6129IRGZ25
✅ 直接替换✓ 有现货
$23.1 / 个
查看数据手册 →ADS62P42IRGC25 最大额定值与电气特性
| 分辨率 | 14 bit |
| Number of Channels | 2 (dual) |
| Sample Rate (max per channel) | 65 MSPS |
| Architecture | Pipelined |
| Input Type | Differential |
| Digital Output Interface | Selectable DDR LVDS or parallel CMOS |
| Reference | Internal (with external reference option) |
| 工作温度范围 | -40C to +85C (industrial) |
| 封装 | 64-pin VQFN (RGC) 9x9 mm with exposed thermal pad |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Control Interface | Serial (SPI) plus parallel-mode pins (SEN, SCLK, CTRL1-CTRL3) |
ADS62P42IRGC25 引脚配置
| 引脚 1 | INP_A — Channel A positive differential analog input |
| 引脚 2 | INN_A — Channel A negative differential analog input |
| 引脚 3 | VCM — Common-mode voltage output (mid-supply reference for analog inputs) |
| 引脚 4 | AVDD — Analog supply voltage |
| 引脚 5 | AGND — Analog ground |
| 引脚 6 | INP_B — Channel B positive differential analog input |
| 引脚 7 | INN_B — Channel B negative differential analog input |
| 引脚 8 | AVDD — Analog supply voltage |
| 引脚 9 | AGND — Analog ground |
| 引脚 10 | REFT — Internal reference top (decoupling cap) |
| 引脚 11 | REFB — Internal reference bottom (decoupling cap) |
| 引脚 12 | AVDD — Analog supply voltage |
| 引脚 13 | AGND — Analog ground |
| 引脚 14 | RESET — Hardware reset (active low) |
| 引脚 15 | SCLK — Serial interface clock |
| 引脚 16 | SEN — Serial interface enable (active low) |
| 引脚 17 | SDATA — Serial interface data input |
| 引脚 18 | SDOUT — Serial interface data output (read-back) |
| 引脚 19 | CTRL1 — Parallel control pin 1 (mode select at power-up) |
| 引脚 20 | CTRL2 — Parallel control pin 2 (mode select at power-up) |
| 引脚 21 | CTRL3 — Parallel control pin 3 (mode select at power-up) |
| 引脚 22 | CLKOUT — Output clock for data capture (DDR) |
| 引脚 23 | CLKP — Positive differential input clock |
| 引脚 24 | CLKN — Negative differential input clock |
| 引脚 25 | AVDD — Analog supply voltage |
| 引脚 26 | AGND — Analog ground |
| 引脚 27 | NC — Not connected (per datasheet) |
| 引脚 28 | DRVDD — Digital output driver supply |
| 引脚 29 | DRGND — Digital output driver ground |
| 引脚 30 | DB0 — Channel A/B data bit 0 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 31 | DB1 — Channel A/B data bit 1 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 32 | DB2 — Channel A/B data bit 2 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 33 | DB3 — Channel A/B data bit 3 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 34 | DB4 — Channel A/B data bit 4 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 35 | DB5 — Channel A/B data bit 5 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 36 | DB6 — Channel A/B data bit 6 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 37 | DRVDD — Digital output driver supply |
| 引脚 38 | DRGND — Digital output driver ground |
| 引脚 39 | DB7 — Channel A/B data bit 7 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 40 | DB8 — Channel A/B data bit 8 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 41 | DB9 — Channel A/B data bit 9 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 42 | DB10 — Channel A/B data bit 10 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 43 | DB11 — Channel A/B data bit 11 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 44 | DB12 — Channel A/B data bit 12 (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 45 | DB13 — Channel A/B data bit 13 (MSB) (CMOS mode) / LVDS pair (LVDS mode) |
| 引脚 46 | OA — Channel A data output ready / frame indicator (DDR LVDS) |
| 引脚 47 | OB — Channel B data output ready / frame indicator (DDR LVDS) |
| 引脚 48 | DRVDD — Digital output driver supply |
| 引脚 49 | DRGND — Digital output driver ground |
| 引脚 50 | DVDD — Digital core supply |
| 引脚 51 | DGND — Digital core ground |
| 引脚 52 | NC — Not connected (per datasheet) |
| 引脚 53 | NC — Not connected (per datasheet) |
| 引脚 54 | AVDD — Analog supply voltage |
| 引脚 55 | AGND — Analog ground |
| 引脚 56 | NC — Not connected (per datasheet) |
| 引脚 57 | NC — Not connected (per datasheet) |
| 引脚 58 | AVDD — Analog supply voltage |
| 引脚 59 | AGND — Analog ground |
| 引脚 60 | AVDD — Analog supply voltage |
| 引脚 61 | AGND — Analog ground |
| 引脚 62 | AVDD — Analog supply voltage |
| 引脚 63 | AGND — Analog ground |
| 引脚 64 | PAD — Exposed thermal pad - must be soldered to AGND plane |
典型应用
ADS62P42IRGC25 适用于 6 应用s: Multi-Carrier Wireless Base Station Receiver, Medical Ultrasound Beamforming Front End, Software Defined Radio (SDR) Wideband Capture, Test & Measurement Instrumentation, Defense Radar and Signal Intelligence, Industrial Vibration and Acoustic Analysis.
Multi-Carrier Wireless Base Station Receiver
The ADS62P42IRGC25 is purpose-built for multi-carrier wireless infrastructure where two matched ADCs simultaneously sample I/Q or antenna diversity channels. Its 14-bit resolution and 65 MSPS sample rate comfortably digitize LTE, WCDMA, TD-SCDMA, and WiMAX signals with multi-carrier aggregation; integrated sample-and-hold and low-jitter clock buffer preserve SFDR under modulated loads. The DDR LVDS interface directly connects to FPGAs such as Xilinx Kintex or Altera Stratix, halving pin count vs single-data-rate CMOS.
推荐
Medical Ultrasound Beamforming Front End
In medical ultrasound systems the ADS62P42IRGC25 captures multi-channel RF return signals after the T/R switch, providing the dynamic range needed to resolve both strong specular reflections and weak echoes from deep tissue. The dual-channel simultaneous sampling matches typical 2-channel-per-channel-board ultrasonic transducer architectures; 65 MSPS is sufficient for 30 MHz probe frequency aliasing into intermediate frequency (IF) sampling. The exposed-pad VQFN-64 RGC package simplifies dense multi-channel PCB layouts.
推荐
Software Defined Radio (SDR) Wideband Capture
For SDR platforms, the ADS62P42IRGC25 delivers the 14-bit linearity and 65 MSPS bandwidth needed to capture signals from HF to L-band in a single direct-conversion digitizer stage. The dual channels support true I/Q sampling that preserves image rejection, while the internal reference eliminates drift over the industrial temperature range. The DDR LVDS output streams data directly into FPGA DSP blocks for real-time demodulation.
推荐
Test & Measurement Instrumentation
Test equipment such as oscilloscope front ends, spectrum analyzer IF digitizers, and arbitrary waveform digitizers benefit from the ADS62P42IRGC25's 14-bit accuracy and dual-channel architecture. The 65 MSPS rate is well-matched to intermediate-frequency digitizing of HF receiver chains, and the internal reference minimizes calibration drift across the -40C to +85C operating range. DDR LVDS cleanly drives high-speed FPGA-based FFT processors.
推荐
Defense Radar and Signal Intelligence
Defense applications including ESM (Electronic Support Measures), ELINT receivers, and phased-array radar digitizers leverage the ADS62P42IRGC25 for its wide instantaneous bandwidth and dual-channel coherence. Two matched ADCs simplify calibration of phase-coherent multi-channel receivers, while the 64-pin VQFN package withstands industrial shock and vibration requirements. The DDR LVDS interface reliably streams data into radiation-tolerant FPGAs.
推荐
Industrial Vibration and Acoustic Analysis
Predictive-maintenance and acoustic-monitoring instruments use the ADS62P42IRGC25 to capture two-axis vibration or stereo microphone signals simultaneously. The 14-bit dynamic range resolves low-amplitude bearing faults, while the 65 MSPS sample rate exceeds the Nyquist requirement for ultrasound-band acoustic emission analysis. The exposed-pad VQFN-64 package is well-suited to sealed industrial housings and long-term thermal cycling in industrial environments.
推荐
推荐产品汇总
工程参考数据： ADS62P42IRGC25 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ADS62P22IRGC25 | ADS62P23IRGC25 | ADS62P42IRGCT | ADS62P42IRGCTG4 | ADS6129IRGZ25 |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Resolution | 14 bit | 12 bit | 12 bit | 14 bit | 14 bit | 12 bit |
| Sample Rate | 65 MSPS per channel | 65 MSPS | 80 MSPS | 65 MSPS | 65 MSPS | 65 MSPS |
| Number of Channels | 2 (dual) | 2 (dual) | 2 (dual) | 2 (dual) | 2 (dual) | 1 (single) |
| Output Interface | DDR LVDS or CMOS | DDR LVDS or CMOS | DDR LVDS or CMOS | DDR LVDS or CMOS | DDR LVDS or CMOS | CMOS |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Automotive Grade (AEC-Q100) | Not AEC-Q100 qualified | Not AEC-Q100 qualified | Not AEC-Q100 qualified | Not AEC-Q100 qualified | Not AEC-Q100 qualified | Not AEC-Q100 qualified |
关键差异点
- Pin-compatible dual 14-bit ADC family with shared RGC-64 footprint （对比 ADS62P22IRGC25)
- Higher sample rate variant available with same package （对比 ADS62P23IRGC25)
- Drop-in family replacement within the same die （对比 ADS62P42IRGCT)
- Internal reference eliminates external reference IC （对比 Older ADS62XX external-reference parts)
设计说明
Solder the exposed thermal pad (pin 64) of the 64-pin VQFN (RGC) package to a continuous analog-ground copper plane for thermal dissipation and ground reference. Route the differential analog inputs (INP_A/INN_A and INP_B/INN_B) as matched-length 100-ohm differential pairs, and keep them away from the digital data outputs (DB0-DB13) to minimize coupling. Place decoupling capacitors as close as possible to each AVDD, DRVDD, and DVDD pin (typical: 10 uF bulk + 0.1 uF + 10 nF ceramic).
Use a low-jitter differential clock source (such as LMK04828 or LMX2582) for the CLKP/CLKN inputs - close-in phase noise directly degrades ADC SNR. For DDR LVDS output, match trace lengths and keep the 100-ohm termination at the receiver FPGA within 200 mil of the FPGA pin. Maintain constant 50-ohm or 100-ohm impedances throughout.
Power the analog and digital domains separately with ferrite-bead-isolated rails from a common low-noise LDO (e.g., TPS7A47xx). Power-up sequence per datasheet: AVDD first, then DRVDD/DVDD, with the RESET pin held low until supplies settle to avoid latch-up. The internal reference pins REFT/REFB must have 0.1 uF + 10 uF decoupling to AGND.
Do not drive the analog inputs beyond AVDD or below AGND - even small overdrive can permanently damage the input ESD network. Ensure the analog input common-mode voltage (VCM) pin is bypassed with 0.1 uF and used to bias the input balun center tap. Confirm CTRL1-CTRL3 pin settings match the desired output mode (LVDS/CMOS, internal/external reference) at every power-up before releasing RESET.
合规信息
RoHS-compliant per TI product page. Industrial temperature grade (-40C to +85C), not AEC-Q100 qualified. Pb-free NiPdAu lead-frame plating on the RGC-64 VQFN package.
