MAX12554ETL/GG8 - 14-Bit 80Msps 3.3V ADC, TQFN-40 | Maxim
부품 번호: MAX12554ETL/GG8 ✗ 단종| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $9.5 | $9.50 |
| 10 | $8.55 | $85.50 |
| 100 | $7.6 | $760.00 |
| 500 | $6.85 | $3,425.00 |
| 1,000 | $6.1 | $6,100.00 |
MAX12554ETL/GG8 개요
An ADC (Analog-to-Digital Converter) is a mixed-signal integrated circuit that samples continuous analog input voltages and converts them into discrete digital codes. In the component taxonomy it belongs to data converters, which sit under signal conditioning and interface ICs in the broader mixed-signal/power management hierarchy. High-speed 14-bit ADCs such as the MAX12554 are typically placed between an analog front-end (amplifier, filter, balun) and a digital signal processor (DSP, FPGA, or ASIC), translating modulated IF/RF signals into the digital domain for demodulation, equalization, or analysis.
Key features of the MAX12554 include a flexible reference structure that accepts the internal 2.048 V bandgap reference or an externally applied reference, an offset-binary output code, parallel CMOS-compatible digital outputs, and a 300 uW power-down mode for battery-aware idle states. The part operates from -40C to +85C industrial temperature range and is designed for 3.3V single-supply operation, simplifying board power tree design relative to older 5V ADCs.
Typical applications include wireless base-station receivers, IF-sampling software-defined radio (SDR), portable instrumentation, medical imaging front-ends, and ultrasound beam-forming. Its 400 MHz direct-IF capability and 14-bit resolution make it a strong fit for multi-carrier GSM/EDGE, CDMA, and WCDMA receive chains where spurious-free dynamic range directly impacts demodulation error-vector magnitude (EVM).
A key design consideration: provide a low-jitter sampling clock and a properly bypassed analog supply - the SNR floor of 72.4 dBFS is only achievable with the analog and digital ground planes properly partitioned, as described in the datasheet's layout guidelines. Decoupling should include 0.1 uF + 10 uF ceramic capacitors within 5 mm of the AVDD and DVDD pins.
The /GG8 suffix indicates the part is supplied on a 13-inch tape-and-reel (reel code GG8) carrying 2,500 units per reel. Note: the MAX12554ETL/GG8 is listed as obsolete by some distributors - verify lifecycle status and consider the active MAX12554ETL+ variant as the recommended replacement for new designs.
This page synthesizes distributor pricing, drop-in alternatives drawn from the same Maxim/ADI family, and practical layout/clocking notes not found in the bare datasheet.
드롭인 대체품: MAX12554ETL/GG8 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: MAX12554ETL/GG8 (동일 폼 팩터 및 풋프린트) — 차이점: Input Type, Number of Channels, Resolution, Manufacturer, Operating Temperature.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
MAX12554ETL+
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MAX12555ETL+
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MAX12555ETL+T
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MAX12553ETL+G3U
✅ 드롭인✓ 재고 있음
$8.12 / 개
데이터시트 보기 →MAX12528ETK+
✅ 드롭인✓ 재고 있음
$24.85 / 개
데이터시트 보기 →MAX12554ETL/GG8 최대 정격 & 전기적 특성
| 분해능 | 14 bit |
| 샘플링 속도 | 80 Msps (80,000 kSamples/s) |
| Number of Channels | 1 |
| Input Type | Differential, single-ended capable |
| Architecture | Pipelined |
| 공급 전압 | 3.3 V (single supply) |
| Power-Down Mode | 300 uW |
| Internal Reference | 2.048 V bandgap |
| External Reference | Accepted |
| Output Code Format | Offset Binary |
| Digital Output Interface | Parallel CMOS |
| SNR at fIN = 3 MHz | 72.4 dBFS |
| SNR at fIN = 175 MHz | 70.9 dBFS |
| SFDR at fIN = 3 MHz | 86.2 dBc |
| SFDR at fIN = 175 MHz | 82.5 dBc |
| Noise Floor | -74.8 dBFS |
| Input Bandwidth (Direct IF) | Up to 400 MHz |
| 동작 온도 | -40C to +85C (Industrial) |
| 패키지 | 40-pin TQFN, 6x6 mm, 0.80 mm height (MO-220-WJJD) |
| 실장 유형 | Surface Mount |
| Reel Code (/GG8) | 13-inch tape and reel, 2,500 units/reel |
MAX12554ETL/GG8 40-pin tqfn, 6x6 mm, 0.80 mm height (mo-220-wjjd) 핀 구성 가이드
MAX12554ETL/GG8(40-pin tqfn, 6x6 mm, 0.80 mm height (mo-220-wjjd) 패키지)의 핀 구성입니다. 이 아날로그 부품에는 입력, 출력, 전원 공급 핀이 있습니다. 오프셋 널, 보상, 인에이블 핀 구성은 제조사 데이터시트를 참조하십시오. 신호 컨디셔닝 및 증폭기 회로에 이상적입니다.
다음에 대한 상세 핀아웃 데이터 없음: MAX12554ETL/GG8.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
MAX12554ETL/GG8 적합 용도: 6 애플리케이션s: Wireless Base-Station Receiver (IF Sampling), Software-Defined Radio (SDR) Front-End, Portable Test & Measurement Instrumentation, Medical Imaging Front-End (Ultrasound Beamforming), Industrial Motor-Control & Power Inverter Telemetry, Radar & Lidar Baseband Digitization.
Wireless Base-Station Receiver (IF Sampling)
The MAX12554's 400 MHz direct-IF bandwidth and 70.9 dBFS SNR at 175 MHz input make it well suited to multi-carrier GSM/EDGE, CDMA, and WCDMA base-station receive chains. Placed after the analog front-end LNA and SAW filter, the ADC digitizes the 70-200 MHz IF directly - eliminating a second downconversion stage. The 14-bit resolution preserves sufficient dynamic range (~86 dBc SFDR at 175 MHz) for high-order QAM demodulation, while the 3.3V single-supply operation simplifies the board power tree. Compared with a 12-bit alternative, the 2 extra bits yield ~12 dB SNR headroom for adjacent-channel interferers.
추천
Software-Defined Radio (SDR) Front-End
Wideband SDR receivers need an ADC that can directly digitize a chunk of spectrum without a preceding analog downconverter. The MAX12554's 80 Msps sampling rate and 400 MHz analog input bandwidth let a designer cover ~40 MHz of instantaneous bandwidth (Nyquist) from a 0-200 MHz IF, ideal for ham radio, signal-intelligence, and cognitive-radio prototypes. Its 14-bit resolution gives 72 dBFS SNR at low IF, enough for narrowband digital modes like SSB and CW, and the 300 uW power-down mode preserves battery life in portable SDR rigs.
추천
Portable Test & Measurement Instrumentation
Handheld spectrum analyzers, oscilloscopes, and digitizers all benefit from the MAX12554's 80 Msps / 14-bit combination. It enables 40 MHz of full-performance analog bandwidth at 72 dBFS SNR, sufficient for low-frequency RF and audio-precision test equipment. The 3.3V single supply and 300 uW power-down mode extend battery life in field-portable instruments. The TQFN-40 6x6 mm footprint keeps the ADC compact enough to fit alongside an FPGA in a USB-powered instrument enclosure, and the parallel CMOS output stream feeds directly into an FPGA capture buffer.
추천
Medical Imaging Front-End (Ultrasound Beamforming)
Ultrasound receivers digitize echo waveforms from piezoelectric transducers, requiring 12-14 bits of resolution and sampling rates in the 40-80 Msps range per channel. The MAX12554's 72 dBFS SNR and 86 dBc SFDR at low IF preserve the contrast resolution needed to detect small lesions, and its low noise floor (-74.8 dBFS) helps in low-echo deep-tissue imaging. Multiple MAX12554s can be synchronized via the CLK+/CLK- inputs for multi-channel beamforming arrays, with each channel's parallel output feeding an FPGA or dedicated beamformer ASIC.
추천
Industrial Motor-Control & Power Inverter Telemetry
Three-phase motor drives and solar inverters need precise, high-speed current and voltage sensing for field-oriented control (FOC) and maximum power point tracking (MPPT). The MAX12554's 14-bit resolution and 80 Msps sampling rate comfortably capture PWM switching edges (typically 10-20 kHz) with 12-14 effective bits after averaging, while its 3.3V single supply aligns with modern DSP/MCU rails. The industrial -40C to +85C operating range tolerates inverter cabinet ambient temperatures, and the TQFN-40 footprint fits alongside isolation amplifiers and gate drivers on a 4-layer control board.
추천
Radar & Lidar Baseband Digitization
Automotive radar and lidar baseband processors require high-linearity ADCs to capture return-signal phase and amplitude after the mixer. The MAX12554's 86 dBc SFDR at 3 MHz input and 70.9 dBFS SNR at 175 MHz input preserve phase coherence in FMCW chirp demodulation, while the 14-bit dynamic range captures both strong nearby returns and weak distant targets. The 400 MHz direct-IF capability allows direct sampling of intermediate frequencies produced by a single-stage IF strip, simplifying the receiver chain. The parallel CMOS outputs feed directly into an FPGA FFT engine for range-Doppler processing.
추천
추천 제품 요약
엔지니어링 참조 데이터: MAX12554ETL/GG8 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | MAX12554ETL+ | MAX12555ETL+ | MAX12555ETL+T | MAX12553ETL+G3U | MAX12528ETK+ |
|---|---|---|---|---|---|---|
| Package | TQFN-40 (6x6 mm) | TQFN-40 (6x6 mm) - same | TQFN-40 (6x6 mm) - same | TQFN-40 (6x6 mm) - same | TQFN-40 (6x6 mm) - same | TQFN-40 (6x6 mm equivalent) - same |
| Brand | Analog Devices (Maxim Integrated) | Analog Devices - same | Analog Devices - same | Analog Devices - same | Analog Devices - same | Analog Devices - same |
| Resolution | 14 bit | 14 bit - same | 14 bit - same | 14 bit - same | 14 bit - same | 12 bit - lower |
| Sampling Rate | 80 Msps | 80 Msps - same | 80 Msps - same | 80 Msps - same | 65 Msps -19% | 80 Msps - same |
| Supply Voltage | 3.3 V | 3.3 V - same | 3.3 V - same | 3.3 V - same | 3.3 V - same | 3.3 V - same |
| Input Bandwidth (Direct IF) | 400 MHz | 400 MHz - same | 400 MHz - same | 400 MHz - same | 400 MHz - same | 400 MHz - same |
| Reference | Internal 2.048V / External | Internal 2.048V / External - same | Internal / External - same family | Internal / External - same family | Internal / External - same family | Internal / External - same family |
| Lifecycle Status | Obsolete | Active | Active | Active | Active | Active |
주요 차별점
- Direct IF sampling to 400 MHz in a 14-bit 80 Msps ADC (vs MAX12528ETK+ (12-bit, 80 Msps))
- RoHS-compliant active replacement with identical silicon (vs MAX12554ETL/GG8 (this part, obsolete /GG8 reel code))
- Higher sampling rate at same 14-bit resolution (vs MAX12553ETL+G3U (14-bit, 65 Msps))
- Internal 2.048V bandgap reference with external override (vs MAX12555ETL+ (same 14-bit 80 Msps but dual-channel variant))
설계 노트
Estimated: at 80 Msps with a 3.3V analog supply, the MAX12554 draws approximately 65-85 mA from AVDD (figure not in the verified data and labelled as an estimate based on the datasheet's typical operating current specification). Provide a dedicated 3.3V LDO or ferrite-isolated switching regulator output for AVDD, with a pi-filter (10 uF + ferrite + 10 uF) and a 0.1 uF + 10 uF ceramic bypass within 5 mm of the AVDD pin. DVDD can share the same rail but should be decoupled locally with its own 0.1 uF + 10 uF pair. According to the datasheet, the part has a 300 uW power-down mode activated by the PD pin - tie this pin to a GPIO for battery-aware applications.
Partition the PCB into analog and digital ground planes joined at a single point under the ADC's exposed thermal pad (EP). Route the CLK+/CLK- differential clock traces as a matched-length pair (delta < 0.5 mm) over a continuous ground plane, with 50 ohm characteristic impedance. Keep the analog input traces (IN+/IN-) short and surrounded by ground pour to minimize coupled noise. According to the manufacturer datasheet, the EPAD must be soldered to the PCB ground plane for thermal dissipation and electrical performance - poor EPAD soldering can degrade SNR by 3-5 dB.
Common pitfalls: (1) driving the analog input single-ended when datasheet-recommended performance requires a differential drive via a balun or AD8138 - this typically costs 6-10 dB of SFDR; (2) using a high-jitter sampling clock - clock jitter above 1 ps RMS will degrade SNR according to the formula SNR = 20*log10(1/(2*pi*fIN*jitter)), so use a low-jitter clock generator such as the AD9510; (3) overlooking the parallel-CMOS output timing - the 14-bit data and DCO clock have specific setup/hold requirements, and a 20-30 ohm series damping resistor near the ADC output may be needed to damp reflections on long PCB traces to the FPGA.
Keep the reference decoupling capacitor (typically 0.1 uF + 10 uF) within 3 mm of the REFIO pin. If using an external reference, place it adjacent to the ADC with its own ground-return via. The reference pin is sensitive to digital switching noise - route reference traces away from the parallel output bus. According to the datasheet, a noisy reference will directly modulate the ADC's transfer function, manifesting as spurs at multiples of the sampling rate in the FFT output.
규정 준수 정보
RoHS/REACH/lead-free status of the /GG8 reel-code variant is not documented in verified distributor data and is listed as [DATA_NEEDED]. The active MAX12554ETL+ variant is RoHS-compliant and lead-free per Maxim/Analog Devices product page. The MAX12554 is an industrial-grade (-40C to +85C) ADC, not AEC-Q100 qualified for automotive applications.
