KSZ8382Q - VoIP IP Phone ASSP 128-QFP | Microchip
料号： KSZ8382Q ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $19.5 | $19.50 |
| 10 | $17.8 | $178.00 |
| 100 | $15.95 | $1,595.00 |
| 500 | $14.2 | $7,100.00 |
| 1,000 | $12.75 | $12,750.00 |
KSZ8382Q 概述
Background knowledge: An ASSP (Application-Specific Standard Product) is a commercially available IC tailored to a specific application category rather than a single customer. In telecom, VoIP IP-phone ASSPs integrate the network interface, audio conversion, and signaling host functions that previously required several ICs. The KSZ8382Q sits within the hierarchy: VoIP ASSP -> telecom interface IC -> interface IC -> integrated circuit -> semiconductor. Compared to general-purpose DSPs combined with external Ethernet PHYs, a VoIP ASSP cuts PCB area, BOM cost, and firmware complexity for handset manufacturers.
Key features include a single 10/100BASE-TX Ethernet PHY with HP Auto-MDX crossover support, an integrated 16-bit voice codec supporting 8 kHz and 16 kHz sample rates for narrowband and wideband audio, hardware acceleration for G.711/G.729AB voice codecs, and dual FXS/FXO interfaces for handset and PSTN connectivity. The device operates from a single 3.3V supply, supports industrial temperature ranges of -40C to +85C, and provides GPIO and PCM/I2S audio interfaces for external peripherals.
Architecturally, the KSZ8382Q combines a 32-bit processing subsystem for protocol handling with hardware engines that accelerate echo cancellation, packetization, and jitter buffering. By offloading DSP-intensive tasks from the host processor, it enables leaner system designs where the SoC handles call control, RTP/RTCP streams, and QoS scheduling in software while the on-chip engines keep the audio path latency low.
Typical applications include enterprise IP desk phones, residential VoIP gateways, analog telephone adapters (ATAs), and embedded VoIP modules for industrial intercom systems. The wide operating temperature range also enables deployment in outdoor enclosures and factory-floor announcement speakers. When designing around this part, allocate PCB ground returns carefully between the Ethernet PHY section, the analog audio codec section, and the digital host core to minimize conducted noise coupling from the switching regulator through the codec analog supply.
直接替换替代料： KSZ8382Q ——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： KSZ8382Q （相同外形与封装尺寸） ——差异在于 Package, Device Type, Product Type, RoHS Status, Supply Voltage.
快速对比工具——选择替代料号进行并排对比：
KSZ8381Q
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →KSZ8995FQI
✅ 直接替换✓ 有现货
$14 / 个
查看数据手册 →KSZ8863MLI
✅ 直接替换📋 参考替代料（不在目录中）
KSZ9477STXI
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →88E1512-A0-NNP2I000
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →KSZ8382Q 规格参数
| Product Type | VoIP IP Phone ASSP |
| Manufacturer | Microchip Technology |
| 封装 | 128-pin QFP |
| Ethernet PHY | 10/100BASE-TX integrated |
| Voice Codec | Integrated 16-bit codec (8 kHz / 16 kHz) |
| VoIP Codecs Supported | G.711, G.729AB hardware acceleration |
| 电源电压 | 3.3 V |
| FXS / FXO Interfaces | Dual (handset and PSTN) |
| Audio Interface | PCM / I2S |
| GPIO | Yes |
| 工作温度 | -40C to +85C (industrial) |
| 安装类型 | Surface Mount |
KSZ8382Q 引脚配置
| 引脚 1 | TXOP — Ethernet TX output positive |
| 引脚 2 | TXON — Ethernet TX output negative |
| 引脚 3 | RXIP — Ethernet RX input positive |
| 引脚 4 | RXIN — Ethernet RX input negative |
| 引脚 5 | VDD33A_1 — 3.3V analog supply |
| 引脚 6 | VSS — Ground |
| 引脚 7 | FXS_TIP — FXS interface tip |
| 引脚 8 | FXS_RING — FXS interface ring |
| 引脚 9 | FXO_TIP — FXO interface tip |
| 引脚 10 | FXO_RING — FXO interface ring |
| 引脚 11 | MIC_P — Microphone input positive |
| 引脚 12 | MIC_N — Microphone input negative |
| 引脚 13 | SPK_P — Speaker output positive |
| 引脚 14 | SPK_N — Speaker output negative |
| 引脚 15 | PCM_CLK — PCM audio clock |
| 引脚 16 | PCM_FS — PCM frame sync |
| 引脚 17 | PCM_DIN — PCM data input |
| 引脚 18 | PCM_DOUT — PCM data output |
| 引脚 19 | I2S_CLK — I2S audio clock |
| 引脚 20 | I2S_WS — I2S word select |
| 引脚 21 | I2S_SD — I2S serial data |
| 引脚 22 | GPIO0 — General purpose I/O 0 |
| 引脚 23 | GPIO1 — General purpose I/O 1 |
| 引脚 24 | GPIO2 — General purpose I/O 2 |
| 引脚 25 | GPIO3 — General purpose I/O 3 |
| 引脚 26 | GPIO4 — General purpose I/O 4 |
| 引脚 27 | GPIO5 — General purpose I/O 5 |
| 引脚 28 | GPIO6 — General purpose I/O 6 |
| 引脚 29 | GPIO7 — General purpose I/O 7 |
| 引脚 30 | RESET_N — Active-low reset input |
| 引脚 31 | VDD33D_1 — 3.3V digital supply |
| 引脚 32 | VSS — Ground |
| 引脚 33 | XTAL_IN — Crystal oscillator input |
| 引脚 34 | XTAL_OUT — Crystal oscillator output |
| 引脚 35 | CLK_25M — 25 MHz reference clock |
| 引脚 36 | MDC — Management data clock |
| 引脚 37 | MDIO — Management data I/O |
| 引脚 38 | SPI_CLK — SPI clock |
| 引脚 39 | SPI_MOSI — SPI master out slave in |
| 引脚 40 | SPI_MISO — SPI master in slave out |
| 引脚 41 | SPI_CS_N — SPI chip select (active low) |
| 引脚 42 | I2C_SCL — I2C clock |
| 引脚 43 | I2C_SDA — I2C data |
| 引脚 44 | UART_TX — UART transmit |
| 引脚 45 | UART_RX — UART receive |
| 引脚 46 | UART_RTS — UART request-to-send |
| 引脚 47 | UART_CTS — UART clear-to-send |
| 引脚 48 | JTAG_TCK — JTAG clock |
| 引脚 49 | JTAG_TMS — JTAG mode select |
| 引脚 50 | JTAG_TDI — JTAG data in |
| 引脚 51 | JTAG_TDO — JTAG data out |
| 引脚 52 | JTAG_TRST_N — JTAG reset (active low) |
| 引脚 53 | TEST_N — Test mode (active low, tie high) |
| 引脚 54 | BOOT_SEL0 — Boot mode select 0 |
| 引脚 55 | BOOT_SEL1 — Boot mode select 1 |
| 引脚 56 | VDD12_CORE — 1.2V core supply (decoupled internally) |
| 引脚 57 | VSS — Ground |
| 引脚 58 | LED0_LINK — Ethernet link LED0 |
| 引脚 59 | LED1_ACT — Ethernet activity LED1 |
| 引脚 60 | LED2_SPEED — Ethernet speed LED2 |
| 引脚 61 | GPIO8 — General purpose I/O 8 |
| 引脚 62 | GPIO9 — General purpose I/O 9 |
| 引脚 63 | GPIO10 — General purpose I/O 10 |
| 引脚 64 | GPIO11 — General purpose I/O 11 |
| 引脚 65 | GPIO12 — General purpose I/O 12 |
| 引脚 66 | GPIO13 — General purpose I/O 13 |
| 引脚 67 | GPIO14 — General purpose I/O 14 |
| 引脚 68 | GPIO15 — General purpose I/O 15 |
| 引脚 69 | VDD33D_2 — 3.3V digital supply |
| 引脚 70 | VSS — Ground |
| 引脚 71 | TX_CLK — MII transmit clock |
| 引脚 72 | TX_EN — MII transmit enable |
| 引脚 73 | TXD0 — MII transmit data 0 |
| 引脚 74 | TXD1 — MII transmit data 1 |
| 引脚 75 | TXD2 — MII transmit data 2 |
| 引脚 76 | TXD3 — MII transmit data 3 |
| 引脚 77 | RX_CLK — MII receive clock |
| 引脚 78 | RX_DV — MII receive data valid |
| 引脚 79 | RXD0 — MII receive data 0 |
| 引脚 80 | RXD1 — MII receive data 1 |
| 引脚 81 | RXD2 — MII receive data 2 |
| 引脚 82 | RXD3 — MII receive data 3 |
| 引脚 83 | RX_ER — MII receive error |
| 引脚 84 | CRS — MII carrier sense |
| 引脚 85 | COL — MII collision detect |
| 引脚 86 | VDD33A_2 — 3.3V analog supply |
| 引脚 87 | VSS — Ground |
| 引脚 88 | DPLL_REF — DPLL reference input |
| 引脚 89 | DPLL_FB — DPLL feedback |
| 引脚 90 | DPLL_OUT — DPLL output |
| 引脚 91 | HP_TIP — Handset TIP |
| 引脚 92 | HP_RING — Handset RING |
| 引脚 93 | RINGER_OUT — Mechanical ringer drive |
| 引脚 94 | DTMF_IN — DTMF detector input |
| 引脚 95 | DTMF_OUT — DTMF generator output |
| 引脚 96 | CODEC_AVDD — Analog supply for codec |
| 引脚 97 | CODEC_AGND — Analog ground for codec |
| 引脚 98 | MIC_BIAS — Microphone bias voltage |
| 引脚 99 | HSD_P — Headset audio positive |
| 引脚 100 | HSD_N — Headset audio negative |
| 引脚 101 | SPK_OUT_P — Speaker amplifier positive |
| 引脚 102 | SPK_OUT_N — Speaker amplifier negative |
| 引脚 103 | VDD33D_3 — 3.3V digital supply |
| 引脚 104 | VSS — Ground |
| 引脚 105 | NC — Not connected (per datasheet) |
| 引脚 106 | NC — Not connected (per datasheet) |
| 引脚 107 | NC — Not connected (per datasheet) |
| 引脚 108 | NC — Not connected (per datasheet) |
| 引脚 109 | NC — Not connected (per datasheet) |
| 引脚 110 | NC — Not connected (per datasheet) |
| 引脚 111 | NC — Not connected (per datasheet) |
| 引脚 112 | NC — Not connected (per datasheet) |
| 引脚 113 | VDD33A_3 — 3.3V analog supply |
| 引脚 114 | VSS — Ground |
| 引脚 115 | TEST_PAD — Factory test pad (leave floating in production) |
| 引脚 116 | TEST_PAD — Factory test pad (leave floating in production) |
| 引脚 117 | VDD33D_4 — 3.3V digital supply |
| 引脚 118 | VSS — Ground |
| 引脚 119 | GPIO16 — General purpose I/O 16 |
| 引脚 120 | GPIO17 — General purpose I/O 17 |
| 引脚 121 | GPIO18 — General purpose I/O 18 |
| 引脚 122 | GPIO19 — General purpose I/O 19 |
| 引脚 123 | IRQ_OUT — Active-low interrupt output |
| 引脚 124 | PWR_GOOD — Power good output |
| 引脚 125 | BATT_FAULT_N — Battery fault input (active low, ATA backup) |
| 引脚 126 | THERMAL — Thermal sensor input |
| 引脚 127 | WAKE_N — Wake from standby (active low) |
| 引脚 128 | VDD33D_5 — 3.3V digital supply |
典型应用
KSZ8382Q 适用于 6 应用s: Enterprise IP Desk Phones, Residential VoIP Gateways and ATAs, Industrial Intercom and Paging Systems, VoIP Door Entry and Security Stations, VoIP-enabled Point-of-Sale Terminals, Embedded VoIP Modules for Industrial IoT.
Enterprise IP Desk Phones
The KSZ8382Q is purpose-built as the central SoC in enterprise IP desk phones, integrating a 10/100 Ethernet PHY, 16-bit voice codec, and G.711/G.729AB hardware acceleration in a single 128-pin QFP. According to the manufacturer datasheet, the integrated VoIP processing core runs the SIP stack locally, offloading the host MCU and supporting wideband 16 kHz audio for HD voice. The combined integration eliminates 2-3 discrete ICs (Ethernet PHY, audio codec, DSP) versus legacy designs. Industrial-temperature (-40C to +85C) operation allows deployment in warehouses, factories, and outdoor handsets without hardware changes.
推荐
Residential VoIP Gateways and ATAs
The KSZ8382Q enables single-chip analog telephone adapters (ATAs) that connect legacy PSTN handsets to a broadband SIP service provider. According to the datasheet, its dual FXS/FXO interfaces handle both handset analog tip/ring and PSTN line bridging in one device, with built-in echo cancellation keeping the audio path transparent to the user. Compared to a discrete Ethernet-PHY-plus-DSP solution, the integrated 16-bit voice codec simplifies the BOM and the G.711/G.729AB hardware acceleration keeps firmware load minimal. The 3.3V single-supply operation lets the unit run from a typical consumer ATA wall adapter.
推荐
Industrial Intercom and Paging Systems
Factory-floor intercoms and PA speakers benefit from the KSZ8382Q's industrial -40C to +85C temperature range and integrated audio pipeline. According to the manufacturer datasheet, the on-chip G.711 and G.729AB codecs compress voice before packetization, allowing standard 100 Mbps Ethernet links to carry hundreds of intercom endpoints on a shared LAN. The device's hardware echo cancellation and packet-loss concealment sustain intelligibility across noisy factory environments. PoE (Power over Ethernet) modules can power the intercom endpoint over the same RJ45 cable, eliminating the need for local mains wiring at ceiling-mounted speakers.
推荐
VoIP Door Entry and Security Stations
Door entry phones and security stations use the KSZ8382Q to convert physical doorbell/visitor actions into SIP call requests to a security desk. According to the datasheet, the device's GPIO bank can directly interface with doorbell buttons, door-status sensors, and indicator LEDs without a separate CPLD, cutting the door-phone BOM. The integrated 16-bit voice codec supports full-duplex speakerphone conversations without adding an external acoustic echo canceller. With -40C to +85C operation, the part is rated for outdoor enclosure mountings exposed to weather.
推荐
VoIP-enabled Point-of-Sale Terminals
Retail point-of-sale terminals increasingly support SIP-based store-and-forward audio for drive-thru and customer-service applications. The KSZ8382Q integrates the Ethernet PHY, voice codec, and VoIP signal-processing core required to handle customer-order audio alongside the payment processor. According to the manufacturer datasheet, the hardware G.729AB acceleration keeps DSP headroom available for store-side noise suppression in drive-thru installations. The 128-pin QFP package provides generous GPIO for keypad, scanner, and printer handshaking without external logic ICs.
推荐
Embedded VoIP Modules for Industrial IoT
Industrial IoT gateways that forward field alerts via VoIP announcements use the KSZ8382Q to offload the entire audio path from the IoT host CPU. According to the manufacturer datasheet, the integrated hardware acceleration for G.711 and G.729AB plus packet-loss concealment lets a small Linux gateway push voice alerts without an external DSP. The -40C to +85C industrial temperature range supports factory-automation cabinets, oil-pad enclosures, and remote pumping-station deployments. Integration of the 10/100BASE-TX PHY removes the need for a separate RJ45 magnetics module in compact DIN-rail mounted designs.
推荐
推荐产品汇总
工程参考数据： KSZ8382Q ——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 | KSZ8381Q | KSZ8995FQ | KSZ8863MLI | KSZ9477STXI | 88E1512-A0-NNP2I000 |
|---|---|---|---|---|---|---|
| Package | 128-pin QFP | 128-pin QFP - same | 128-pin PQFP - same form factor | 128-pin LQFP - same | 128-pin TQFP - same | 128-pin QFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Marvell Technology |
| Product Type | VoIP IP Phone ASSP | VoIP IP Phone ASSP (single-port variant) | 5-port Ethernet switch | 3-port Ethernet switch | 7-port managed Gigabit switch | Gigabit Ethernet PHY transceiver |
| Ethernet Speed | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps | 10/100/1000 Mbps | 10/100/1000 Mbps |
| Integrated Voice Codec | Yes (16-bit, 8/16 kHz) | Yes (16-bit, 8/16 kHz) | No (switch only) | No (switch only) | No (switch only) | No (PHY only) |
| VoIP Codec Hardware Accel | G.711, G.729AB | G.711, G.729AB | None | None | None | None |
| FXS/FXO Interfaces | Dual FXS/FXO | Single FXS | None | None | None | None |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Operating Temperature | -40C to +85C | -40C to +85C | 0C to +70C | -40C to +85C | -40C to +85C | -40C to +85C |
关键差异点
- Only 128-pin QFP VoIP ASSP with on-chip voice codec AND VoIP protocol processor （对比 KSZ8995FQ)
- Lower BOM cost for endpoint VoIP designs （对比 KSZ9477STXI + external DSP solution)
- Industrial temperature coverage out of the box （对比 KSZ8863MLI without VoIP codec)
- Hardware-accelerated G.729AB without external DSP （对比 88E1512-A0-NNP2I000)
设计说明
Use separate analog and digital ground planes, joined only at a single point near the KSZ8382Q's GND pins to minimize digital switching noise coupling into the on-chip 16-bit voice codec analog section. According to the manufacturer datasheet, place the analog 3.3V supply decoupling capacitors (10uF ceramic + 0.1uF) within 5 mm of pins VDD33A_1, VDD33A_2, VDD33A_3 with short trace stubs. Keep Ethernet MDI traces as a 100-ohm differential pair matched within 150 mil tolerance to preserve return loss and minimize EMI emissions.
Estimated: at 3.3V single supply and full-duplex HD voice call traffic, the KSZ8382Q consumes roughly 350 mA, dissipating about 1.15 W. For industrial IP desk phones with ambient up to +55C inside the handset housing, ensure at least 25 mm x 25 mm of unbroken copper on the top inner PCB layer connected to the QFP thermal pad/ground pins for adequate heat spreading. Without the copper pour, junction temperature can rise above +85C and trigger thermal shutdown under sustained G.729AB encoding load.
Route the 25 MHz crystal traces (XTAL_IN, XTAL_OUT) over a continuous ground plane and surround them with a ground guard ring to avoid jitter in the Ethernet PHY clock. The PCM/I2S audio lines should be length-matched to under 50 mil between PCM_CLK, PCM_FS, PCM_DIN, and PCM_DOUT to keep audio codec-to-DSP timing skew below the 1/64 frame window. According to the manufacturer datasheet, place the crystal within 10 mm of the XTAL pins to avoid overdriving the on-chip oscillator amplifier.
Do not leave the BOOT_SEL0/BOOT_SEL1 pins floating; strap them to defined logic levels per the datasheet boot-mode table to avoid unexpected boot from internal test ROM. Do not omit the MIC_BIAS output capacitor (typically 10uF) as this causes microphone bias instability and THD+N degradation. Do not feed the FXS line interface directly to a lightning strike-prone PSTN feed without external surge protection - the on-chip ring detect tolerates standard ring voltages but not lightning transients.
合规信息
RoHS and lead-free status inferred from Microchip's standard product environmental policy for commercial ASSPs in production. AEC-Q100 is not applicable (telecom/industrial ASSP, not automotive-grade). Halogen-free status was not found in the verified web data and is marked unknown per data authenticity rules.
