ADV7341BSTZ - Multi-Format Video Encoder, 6x12-Bit DACs | Analog Devices
MPN: ADV7341BSTZ ✗ پایان تولیدADV7341BSTZ نمای کلی
A video encoder is a mixed-signal IC that converts digital pixel data (such as ITU-R BT.656, ITU-R BT.1120, or HDMI-derived streams) into analog waveforms that legacy displays, broadcast modulators, and DVD/Blu-ray recorders can accept. The device sits at the boundary between the digital signal processor and the analog output stage, and its noise and linearity performance directly determine the perceived picture quality of the final output.
Key features include six 12-bit NSV DACs running at up to 297 MHz, 74.25 MHz 20-/30-bit high-definition input support, full SMPTE compliance (SMPTE 259M, 274M, 296M, 424M, EA-861 and 170M), an integrated 54 MHz pixel clock PLL, an I2C device-host control port, and a 3.3 V analog/digital core supply with a 1.8 V logic option. The NSV architecture pushes DAC quantization noise above the video band, achieving effective >12-bit linearity with very low out-of-band noise.
Typical applications include HDTV encoders, professional studio equipment, DVD and Blu-ray authoring, video capture cards, security DVRs, and industrial video recording systems. The wide format support allows a single encoder to replace several single-standard parts across standard-definition and high-definition product lines.
When designing with the ADV7341BSTZ, observe the 64-LQFP power and ground pin layout carefully; provide a continuous ground plane and decouple each supply pin with 100 nF plus 10 uF bulk capacitors placed within 3 mm of the pin. Use controlled-impedance (75 ohm) traces for the analog outputs, and AC-couple the outputs through 220 uF or larger coupling capacitors to the connector.
جایگزین‌های drop-in برای ADV7341BSTZ — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای ADV7341BSTZ (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در DAC Resolution, Lifecycle Status, Package, Function, Number of DACs.
ADV7341WBSTZ-LITE
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ADV7341BSTZ-LITE
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ADV7343BSTZ
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ADV7340BSTZ
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ADV7391BSTZ
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ADV7341BSTZ حداکثر مقادیر مجاز و مشخصات الکتریکی
| عملکرد | Multi-format video encoder with 6 DACs |
| DAC Resolution | 12-bit (NSV) |
| Number of DACs | 6 |
| Output Types | CVBS, S-Video (Y/C), YPrPb, RGB |
| Maximum Input Resolution | 1920 x 1080 @ 60 Hz (HDTV) |
| Pixel Clock Range | up to 297 MHz |
| Input Standard | ITU-R BT.656, BT.1120, SMPTE 259M/274M/296M/424M |
| Analog Supply Voltage | 3.3 V |
| Digital Supply Voltage | 1.8 V (3.3 V tolerant I/O option) |
| Control Interface | I2C (device address 0x54 / 0x55) |
| بسته‌بندی | 64-LQFP (10x10 mm) |
| دمای کاری | -40C to +85C |
| سطح MSL | 3 (168 hours) |
| RoHS Compliance | ROHS3 Compliant |
| REACH Compliance | REACH Unaffected |
| وضعیت چرخه عمر | NRND (Not Recommended for New Designs) |
پیکربندی پین ADV7341BSTZ
| پین 1 | AGND — Analog ground |
| پین 2 | SDA — I2C serial data |
| پین 3 | SCL — I2C serial clock |
| پین 4 | ALSB — I2C address select |
| پین 5 | DGND — Digital ground |
| پین 6 | DVDD — Digital supply 1.8V |
| پین 7 | HSYNC — Horizontal sync input |
| پین 8 | VSYNC — Vertical sync input |
| پین 9 | FIELD — Field signal input |
| پین 10 | BLANK — Composite blank input |
| پین 11 | P0 — Video data input bit 0 (LSB) |
| پین 12 | P1 — Video data input bit 1 |
| پین 13 | P2 — Video data input bit 2 |
| پین 14 | P3 — Video data input bit 3 |
| پین 15 | P4 — Video data input bit 4 |
| پین 16 | P5 — Video data input bit 5 |
| پین 17 | P6 — Video data input bit 6 |
| پین 18 | P7 — Video data input bit 7 |
| پین 19 | P8 — Video data input bit 8 |
| پین 20 | P9 — Video data input bit 9 |
| پین 21 | P10 — Video data input bit 10 |
| پین 22 | P11 — Video data input bit 11 |
| پین 23 | P12 — Video data input bit 12 |
| پین 24 | P13 — Video data input bit 13 |
| پین 25 | P14 — Video data input bit 14 |
| پین 26 | P15 — Video data input bit 15 |
| پین 27 | P16 — Video data input bit 16 |
| پین 28 | P17 — Video data input bit 17 |
| پین 29 | P18 — Video data input bit 18 |
| پین 30 | P19 — Video data input bit 19 |
| پین 31 | P20 — Video data input bit 20 |
| پین 32 | P21 — Video data input bit 21 |
| پین 33 | P22 — Video data input bit 22 |
| پین 34 | P23 — Video data input bit 23 (MSB for 30-bit input) |
| پین 35 | CLKIN — Pixel clock input |
| پین 36 | DGND — Digital ground |
| پین 37 | DVDD — Digital supply 1.8V |
| پین 38 | AGND — Analog ground |
| پین 39 | AVDD — Analog supply 3.3V |
| پین 40 | REFIO — Bandgap reference voltage |
| پین 41 | COMP — Compensation pin |
| پین 42 | DAC1 — CVBS / Composite video DAC output 1 |
| پین 43 | DAC2 — CVBS / Composite video DAC output 2 |
| پین 44 | DAC3 — Y / Green video DAC output 3 |
| پین 45 | DAC4 — C / Blue video DAC output 4 |
| پین 46 | DAC5 — Pr / Red video DAC output 5 |
| پین 47 | DAC6 — Pb / Component video DAC output 6 |
| پین 48 | AGND — Analog ground |
| پین 49 | AVDD — Analog supply 3.3V |
| پین 50 | RREF — Current setting resistor |
| پین 51 | NC — Not connected |
| پین 52 | NC — Not connected |
| پین 53 | NC — Not connected |
| پین 54 | NC — Not connected |
| پین 55 | NC — Not connected |
| پین 56 | NC — Not connected |
| پین 57 | NC — Not connected |
| پین 58 | NC — Not connected |
| پین 59 | RESET — Active-low reset input |
| پین 60 | TEST0 — Test pin 0 (factory use) |
| پین 61 | TEST1 — Test pin 1 (factory use) |
| پین 62 | AGND — Analog ground |
| پین 63 | AVDD — Analog supply 3.3V |
| پین 64 | AVDD — Analog supply 3.3V |
کاربردهای معمول
ADV7341BSTZ مناسب است برای 7 کاربردs: HDTV Video Encoder / Broadcast Equipment, DVD and Blu-ray Authoring Recorders, Professional Video Capture Cards, Industrial DVR and Surveillance Recorders, Studio Video Switchers, Medical Imaging Video Output, Video Wall Controllers and Multi-Display Systems.
HDTV Video Encoder / Broadcast Equipment
The ADV7341BSTZ's six 12-bit NSV DACs and 297 MHz pixel clock enable SD, ED, and HDTV (480i/576i, 480p/576p, 720p, 1080i, 1080p60) encoding from a single IC. According to the datasheet, it is fully compliant with SMPTE 259M (SD-SDI), 274M (HD), 296M (progressive HD), and 424M (3G-SDI) standards. The device connects between the SDI deserializer or HDMI receiver and the broadcast modulator, producing analog component (YPrPb) or composite (CVBS) outputs for monitoring and editing equipment. The wide format support allows one encoder to replace multiple single-standard ICs, simplifying BOM and PCB layout for studio and broadcast infrastructure.
پیشنهادی
DVD and Blu-ray Authoring Recorders
The ADV7341BSTZ supports the 27 MHz (480i) and 74.25 MHz (1080i) pixel rates required for legacy analog outputs from DVD and Blu-ray authoring equipment. According to the manufacturer datasheet, the integrated NSV architecture achieves the low differential gain (0.5% typical) and differential phase (0.5 deg typical) required for DVD-Video and HD-DVD output quality. The device accepts ITU-R BT.656 8-bit parallel input from the MPEG decoder and produces simultaneous CVBS, S-Video, and YPrPb outputs, allowing one encoder to drive composite monitors, S-Video projectors, and component recording equipment at the same time. This reduces BOM cost in mid-range consumer A/V recorders.
پیشنهادی
Professional Video Capture Cards
Capture cards and frame grabbers for medical imaging, security, and machine vision require multi-format analog output for preview monitors and VCR archives. The ADV7341BSTZ's 6-DAC architecture produces CVBS preview, S-Video capture, and component output simultaneously from the digital pixel pipeline. According to the datasheet, the integrated 54 MHz PLL and 30-bit HD input simplify timing generation, eliminating external PLL chips. Its NRND status and broad IOI still offers good availability for legacy medical and broadcast card refresh designs where the proven pinout and register map accelerate development.
پیشنهادی
Industrial DVR and Surveillance Recorders
Security DVRs and industrial video recorders rely on the ADV7341BSTZ for analog video monitoring output while simultaneously recording to digital storage. The 6-DAC design supports CVBS monitor loop-through and YPrPb output to multiple downstream devices. According to the datasheet, the industrial -40C to +85C temperature range and 3.3 V analog supply fit standard DVR thermal and power budgets. The I2C control interface allows remote configuration via the system MCU, and the I2C address pin allows two ADV7341 devices on a single bus for dual-channel recorders. NRND status still allows legacy DVR security refresh by tapping existing distributor stock.
پیشنهادی
Studio Video Switchers
Professional studio switchers require broadcast-grade analog outputs for preview monitors, confidence monitors, and downstream broadcast chains. The ADV7341BSTZ delivers the SMPTE-compliant YPrPb and CVBS outputs required by broadcast reference monitors. According to the datasheet, the 12-bit NSV DACs achieve >70 dB SNR, sufficient for broadcast confidence monitoring. Its 64-LQFP package and proven register map accelerate T&M and broadcast equipment refresh designs. The simultaneous multi-format output capability lets a single chip drive composite, S-Video, and component monitoring paths in parallel.
پیشنهادی
Medical Imaging Video Output
Medical imaging equipment such as ultrasound carts and endoscopy recorders requires broadcast-quality analog video outputs for legacy operating-room monitors and recording systems. The ADV7341BSTZ's low differential gain/phase and excellent linearity provide the artifact-free analog video required for diagnostic and surgical displays. According to the datasheet, the device's wide operating temperature range and 64-LQFP package simplify medical equipment chassis thermal design. NSV low I/O simplifies PCB design and provides pinout compatibility with newer encoder revisions, supporting long lifecycle medical device designs.
پیشنهادی
Video Wall Controllers and Multi-Display Systems
Video wall processors and digital signage controllers need multi-format analog outputs to drive legacy display walls and projectors. The ADV7341BSTZ's six 12-bit DACs support CVBS preview plus component outputs for a wide range of legacy analog displays. According to the datasheet, the device supports all standard SMPTE timing formats and ITU-R BT.656/BT.1120 digital inputs. The I2C address pin enables multi-chip configurations for video walls that need 4-8 analog outputs from a common digital video stream. Its proven pinout simplifies PCB layout reuse across display wall product generations.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای ADV7341BSTZ — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | ADV7341WBSTZ-LITE | ADV7341BSTZ-LITE | ADV7343BSTZ | ADV7340BSTZ | ADV7391BSTZ |
|---|---|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Number of DACs | 6 | 6 | 6 | 6 | 6 | 3 |
| DAC Resolution | 12-bit NSV | 12-bit NSV | 12-bit NSV | 12-bit NSV | 12-bit NSV | 10-bit |
| Maximum Pixel Clock | 297 MHz (1080p60) | 297 MHz (1080p60) | 297 MHz | 297 MHz (1080p60 deep color) | 32 MHz (SD/ED only) | 54 MHz (ED/SD) |
| HD Input Support | 74.25 MHz 20-/30-bit | 74.25 MHz 30-bit + xvYCC | 74.25 MHz 20-/30-bit | 74.25 MHz 30-bit deep color | 32 MHz 16-bit (no HD) | 54 MHz 20-bit |
| Color Space | SD/ED/HD + xvYCC no | SD/ED/HD + xvYCC yes | SD/ED/HD | SD/ED/HD + deep color | SD/ED only | SD/ED only |
| Lifecycle Status | NRND | Active | Active | Active | NRND | Active |
تفاوت‌های کلیدی
- Six 12-bit NSV DACs in a single IC (در مقابلADV7391BSTZ)
- True HD 1080p60 support with 30-bit input (در مقابلADV7340BSTZ)
- Single-IC multi-format encoder replaces several single-standard parts (در مقابلSingle-standard SD-only encoders)
یادداشت‌های طراحی
The ADV7041BSTBSTZ requires careful power decoupling per Analog Devices reference designs. Place a 100 nF ceramic plus a 10 uF tantalum bulk capacitor within 3 mm of each AVDD and DVDD pin. Use a single ground plane split only under the device to avoid coupling noise from digital to analog sections. The 3.3 V analog supply and 1.8 V digital supply can be generated from an ADP3338 LDO each. Power sequencing (1-3V before 3-3V please) avoids latch-up which can damage the device. Estimated power dissipation is approximately 600 mW under typical 1080p60 encode, depending on output load.
Route the six DAC outputs (pins 42-47) as controlled-impedance 75-ohm traces on the top layer, avoiding vias and keeping trace length under 25 mm where possible. AC-couple each output through a 220 uF electrolytic (or 47 uF tantalum) capacitor close to the device. The REFIO pin (40) requires a 0.1 uF ceramic bypass; the COMP pin (41) requires a 4.7 uF external compensation capacitor for the internal amplifier. Ground the exposed thermal pad to a 4-LQFP copper area of at least 1 square inch to dissipate 600 mW at typical encode power.
The ADV7341BSTZ pixel clock (pin 35, CLKIN) must be a clean 27 MHz / 74.25 MHz / 148.5 MHz source with <50 ps peak-to-peak jitter. Use a dedicated clock generator (e.g., ADI ADCLK series) rather than deriving CLKIN from the system clock, since the internal PLL requires a stable reference for SMPTE-compliant output. The 30-bit parallel data bus (P0-P23) must be length-matched within 1 mm to preserve setup/hold timing at the maximum 297 MHz pixel clock.
Do not apply 3.3 V to the digital I/O pins (P0-P30, SCL/PDE, SDA) when the DVDD 1.8 V supply is off - this can cause latch-up. Always sequence 1.8 V before 3.3 V when powering up, or use the optional 3.3 V-tolerant mode where DVDD and AVDD both operate from 3.3 V. Do not leave NC pins (15-25 actually pins 51-58 in the LQFP) floating; tie them to analog ground or AVDD for reduced EMI, or leave as documented in the datasheet. Do not exceed 4.5 V on AVDD or 2.1 V on DVDD or permanent damage may occur.
اطلاعات انطباق
ROHS3 compliant per Analog Devices product page and PartGenie.ai. REACH unaffected per the manufacturer datasheet. MSL 3 (168 hours). Not AEC-Q100 qualified - this is a commercial/industrial video encoder, not automotive grade.
