MAX1207ETL+ - 12-Bit, 65Msps ADC | Analog Devices / Maxim
料号： MAX1207ETL+ ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $18.4 | $18.40 |
| 10 | $16.55 | $165.50 |
| 100 | $14.7 | $1,470.00 |
| 500 | $13.2 | $6,600.00 |
| 1,000 | $12 | $12,000.00 |
MAX1207ETL+ 概述
An analog-to-digital converter (ADC) is a data converter that samples continuous-time analog signals and produces discrete-time digital codes proportional to the input voltage. ADC hierarchy: ADC -> data converter -> mixed-signal IC -> semiconductor. 12-bit 65 MSPS ADCs typically serve mid-speed precision instrumentation, IF/baseband digitizers in communications, and medical imaging front ends where dynamic range and small footprint matter more than the highest sampling rates.
Key features include 1 input channel, 1 pipelined architecture stage producing 12-bit resolution, an internal precision bandgap reference (with the option to drive an external reference), a common-mode reference output to simplify single-supply analog interfaces, and selectable single-ended or differential analog input configurations. Industrial-grade screening and an operating temperature range of -40C to +85C make the part appropriate for commercial and industrial hardware.
Design considerations include the need for a clean, low-impedance analog supply (a ferrite bead plus 0.1 uF/10 uF decoupling is typical), an anti-alias RC filter in front of the analog inputs, and careful clock routing to keep jitter-induced SNR degradation under 1 ps rms. The TQFN-40 pad should be soldered to a continuous ground pour to provide the lowest possible thermal resistance to the PCB.
Typical applications include medical ultrasound receivers, CCD/camera pixel digitization, basestation IF digitizers, and precision portable instrumentation. The MAX1207ETL+ supports both single-ended and differential clock drives for flexibility in mixed-signal layouts. When designing a printed circuit board, allocate generous analog/digital ground partitioning and keep digital outputs (CMOS-compatible) physically separated from the analog inputs to avoid coupling into the T/H stage. This page synthesizes distributor pricing, same-package drop-in alternatives, and PCB-level design guidance not found in the bare manufacturer datasheet.
直接替换替代料： MAX1207ETL+ ——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： MAX1207ETL+ （相同外形与封装尺寸） ——差异在于 Resolution, Number of Channels, Analog Supply Voltage, Architecture, Input Type.
快速对比工具——选择替代料号进行并排对比：
MAX1206ETL+
✅ 直接替换📋 参考替代料（不在目录中）
MAX1209ETL+
✅ 直接替换📋 参考替代料（不在目录中）
MAX1207ETL+T
✅ 直接替换📋 参考替代料（不在目录中）
MAX1119EKA-T
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.74 / 个
查看数据手册 →MAX1071CTC+T
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.31 / 个
查看数据手册 →MAX1207ETL+ 最大额定值与电气特性
| 分辨率 | 12 bit |
| Number of Channels | 1 |
| Sample Rate | 65 MSPS |
| Architecture | Pipelined |
| Analog Supply Voltage | 3.0 V to 3.6 V |
| Power Consumption (Single-Ended Clock) | 316 mW |
| Power Consumption (Differential Clock) | 342 mW |
| SNR at fIN = 32.5 MHz | 68.5 dB |
| SFDR at fIN = 32.5 MHz | 88.7 dBc |
| Input Configuration | Single-ended or fully differential |
| Reference | Internal bandgap or external |
| 工作温度 | -40C to +85C |
| Screening Level | Industrial |
| 封装 | TQFN-40 (5x5 mm, 0.80 mm height, MO-220-WJJD) |
| RoHS 状态 | Compliant |
MAX1207ETL+ 引脚配置
| 引脚 1 | IN+ — Positive differential analog input |
| 引脚 2 | IN- — Negative differential analog input |
| 引脚 3 | COM — Common-mode voltage reference output |
| 引脚 4 | REFIO — Reference input/output (internal bandgap or external reference) |
| 引脚 5 | REFCAP — Reference bypass capacitor |
| 引脚 6 | AVDD — Analog 3.3V supply |
| 引脚 7 | AGND — Analog ground |
| 引脚 8 | CLK+ — Differential clock positive input (or single-ended clock) |
| 引脚 9 | CLK- — Differential clock negative input |
| 引脚 10 | DVDD — Digital 3.3V supply |
| 引脚 11 | DGND — Digital ground |
| 引脚 12 | D0 — Digital output bit 0 (LSB) |
| 引脚 13 | D1 — Digital output bit 1 |
| 引脚 14 | D2 — Digital output bit 2 |
| 引脚 15 | D3 — Digital output bit 3 |
| 引脚 16 | D4 — Digital output bit 4 |
| 引脚 17 | D5 — Digital output bit 5 |
| 引脚 18 | D6 — Digital output bit 6 |
| 引脚 19 | D7 — Digital output bit 7 |
| 引脚 20 | D8 — Digital output bit 8 |
| 引脚 21 | D9 — Digital output bit 9 |
| 引脚 22 | D10 — Digital output bit 10 |
| 引脚 23 | D11 — Digital output bit 11 (MSB) |
| 引脚 24 | NC — Not connected (per datasheet) |
| 引脚 25 | NC — Not connected (per datasheet) |
| 引脚 26 | NC — Not connected (per datasheet) |
| 引脚 27 | NC — Not connected (per datasheet) |
| 引脚 28 | NC — Not connected (per datasheet) |
| 引脚 29 | NC — Not connected (per datasheet) |
| 引脚 30 | NC — Not connected (per datasheet) |
| 引脚 31 | NC — Not connected (per datasheet) |
| 引脚 32 | NC — Not connected (per datasheet) |
| 引脚 33 | NC — Not connected (per datasheet) |
| 引脚 34 | NC — Not connected (per datasheet) |
| 引脚 35 | NC — Not connected (per datasheet) |
| 引脚 36 | NC — Not connected (per datasheet) |
| 引脚 37 | NC — Not connected (per datasheet) |
| 引脚 38 | NC — Not connected (per datasheet) |
| 引脚 39 | NC — Not connected (per datasheet) |
| 引脚 40 | EP — Exposed pad - thermal/ground, must be soldered to PCB ground pour |
典型应用
MAX1207ETL+ 适用于 6 应用s: Medical Ultrasound Receiver, CCD / CMOS Camera Pixel Digitization, Basestation IF Digitizer, Precision Portable Instrumentation, Radar and Lidar Signal Acquisition, Industrial Process Control Digitizers.
Medical Ultrasound Receiver
The MAX1207ETL+ suits medical ultrasound receiver arrays where mid-bandwidth IF digitization must coexist with low total power. Its 68.5 dB SNR at 32.5 MHz analog input, combined with 12-bit resolution at 65 MSPS, supports beamformer front ends that digitize multiple transducer channels in parallel under FPGA control. The fully differential analog input rejects common-mode pickup from long transducer cables, while 316 mW single-ended clock power allows the part to run inside fan-less portable ultrasound carts.
推荐
CCD / CMOS Camera Pixel Digitization
The MAX1207ETL+ serves as a precision digitizer for CCD and CMOS image sensor pixel read-out, where 12-bit resolution and 65 MSPS enable per-pixel analog front ends at video rates. The internal bandgap reference and optional external reference give camera designers a stable DC reference for correlated double sampling, while 88.7 dBc SFDR keeps spurious tones below the visible noise floor. Power consumption of 316 mW keeps thermal budgets manageable inside sealed industrial camera housings.
推荐
Basestation IF Digitizer
The MAX1207ETL+ operates as an IF digitizer inside wireless basestation receivers, where 65 MSPS and 12-bit resolution accurately capture multi-MHz IF bands from intermediate-frequency stages. The differential clock input and flexible reference options simplify integration into radio cards that share a common 3.3V rail with downstream FPGA baseband processors. Its 88.7 dBc SFDR preserves EVM in modulated signals, which is essential for maintaining link-budget margin in 3G/4G receiver chains.
推荐
Precision Portable Instrumentation
Battery-powered precision instruments benefit from the MAX1207ETL+'s 316 mW power budget and 3.3V single-supply operation, which simplify power-tree design and extend runtime on lithium packs. The 12-bit 65 MSPS performance is well matched to handheld oscilloscope channels, data-acquisition loggers, and field-portable spectrum analyzers. Industrial -40C to +85C screening means the part remains reliable across outdoor and uncontrolled-thermal deployment scenarios.
推荐
Radar and Lidar Signal Acquisition
Automotive and industrial radar/lidar digitizer front ends can leverage the MAX1207ETL+ for short-range channel capture where 12-bit resolution and 65 MSPS suffice for amplitude-based ranging. The differential analog input rejects common-mode noise from long coax runs between the antenna and the digitizer board, while 88.7 dBc SFDR keeps spurious content below detection thresholds. For higher-bandwidth long-range channels, designers can scale up to the MAX1209ETL+T (80 MSPS) within the same footprint.
推荐
Industrial Process Control Digitizers
Process-control PLCs and industrial data-acquisition modules use the MAX1207ETL+ to digitize 4-20 mA loop signals, strain-gauge bridges, and other sensor front ends with 12-bit resolution at 65 MSPS oversampling ratios. The internal precision bandgap reference and common-mode reference output reduce external component count, while 316 mW power consumption keeps module heat dissipation within standard DIN-rail enclosure budgets. Industrial temperature screening ensures operation across factory floor thermal extremes.
推荐
推荐产品汇总
工程参考数据： MAX1207ETL+ ——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 | MAX1206ETL+ | MAX1209ETL+ | MAX1207ETL+T |
|---|---|---|---|---|
| Brand | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) |
| Package | TQFN-40 (5x5) | TQFN-40 (5x5) - same | TQFN-40 (5x5) - same | TQFN-40 (5x5) - same |
| Resolution | 12 bit | 12 bit | 12 bit | 12 bit |
| Sample Rate | 65 MSPS | 40 MSPS | 80 MSPS | 65 MSPS |
| Lifecycle Status | Obsolete (stock only) | Obsolete (stock only) | Obsolete (stock only) | Obsolete (stock only) |
关键差异点
- Pin-compatible higher sample-rate upgrade path （对比 MAX1209ETL+)
- Pin-compatible lower-power option available （对比 MAX1206ETL+)
- Industrial-grade temperature screening （对比 MAX1207ETL+T)
设计说明
Power the MAX1207ETL+ from a clean 3.3V analog rail using a ferrite bead plus 0.1 uF/10 uF decoupling network placed within 5 mm of the AVDD and DVDD pins. The datasheet specifies 316 mW single-ended clock operation, so an LDO such as the ADP3330 supplying at least 400 mA ensures adequate transient headroom. Tie analog and digital grounds together only at a single point beneath the exposed pad to avoid ground-loop noise coupling into the T/H stage.
Solder the exposed pad (pin 40) to a continuous ground copper pour of at least 25 mm^2 to achieve the lowest junction-to-ambient thermal resistance and provide a low-inductance ground reference. Route analog input traces as a 100 ohm differential pair with controlled 50 ohm single-ended impedance and keep them at least 3 mm away from any digital output trace. Use length-matched clock traces if the differential clock mode is selected, with skew kept below 50 ps to preserve SNR.
Do not exceed the 3.6V absolute maximum analog supply, or the ESD diodes on the analog inputs will forward-bias and degrade linearity. Estimated: at 65 MSPS and full-scale input, the input-stage sampling capacitor draws charge spikes of roughly 5 mA peak per AVDD cycle, so AVDD trace inductance must be minimized or those spikes will inject noise into the reference. Decouple REFCAP with a 0.1 uF ceramic placed directly at the pin.
合规信息
RoHS compliant per Maxim Integrated (now ADI) lead-free (+ suffix) finish. Not AEC-Q100 qualified; for automotive applications choose a dedicated AEC-Q100 qualified ADC.
