
Overview
The REF5050AID is a voltage Reference made by Texas Instruments in a SOIC-8 package with 8 pins. -40℃~+125℃ 10mA 5.2V~18V 5V 800uA 8ppm/℃ Fixed Series ±0.1% SOIC-8 Voltage Reference ROHS.
PCBKit's library has its KiCad symbol (Regulators:REF50xx, from CERN's library) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 16,819 are in stock at JLCPCB (part C27804).
Symbol
Footprint
From the datasheet
12- Supply, most
- 18 V · VIN, recommended operating max · p. 5
- Supply, absolute maximum
- 18 V · VIN, absolute maximum · p. 5
- Works from
- -40 °C · TA, recommended operating min · p. 5
- Works up to
- 125 °C · TA, recommended operating max · p. 5
- Junction, hottest
- 150 °C · TJ, absolute maximum · p. 5
- Takes working
- 800 µA · Quiescent current, typical, TA = 25°C, ILOAD = 0 · p. 8
- Takes at most
- 1.2 mA · Quiescent current max, −40°C ≤ TA ≤ 125°C · p. 8
- Gives
- 10 mA · Output source or sink current max · p. 5
- Output
- 5 V · REF5050 output voltage, typical · p. 7
- Junction to air (D (SOIC))
- 115 K/W · Junction to ambient · p. 6
- Junction to case (D (SOIC))
- 63.4 K/W · Junction to case, top · p. 6
- Junction to board (D (SOIC))
- 57.1 K/W · Junction to board · p. 6
What it is and has
4- Temperature drift
- 8ppm/°C maximum, standard grade · p. 1
- Initial accuracy
- 0.1% maximum, standard grade · p. 1
- Noise
- 3μVPP/V, standard grade · p. 1
- Output current
- ±10mA · p. 1
Specifications
37| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| 输入电压 VIN | REF50xxAI | min -0.3 · max 18 V | 5 |
| 输出电压 VOUT | min -0.3 · max 5.5 V | 5 | |
| 工作温度 TA | min -55 · max 125 °C | 5 | |
| 结温 TJ max | max 150 °C | 5 | |
| 贮存温度范围 Tstg | min -65 · max 150 °C | 5 | |
| 静电放电 V(ESD) | REF50xxAI; 人体放电模型 (HBM),符合 ANSI/ESDA/JEDEC JS-001 标准,所有引脚; ±3000 V | max 3000 V | 5 |
| 静电放电 V(ESD) | REF50xxAI; 充电器件模型 (CDM),符合 JEDEC 规范 JESD22-C101,所有引脚; ±1000 V | max 1000 V | 5 |
| 输入电压 VIN | REF50xxAI; 最小值 VOUT + 0.2 V | max 18 V | 5 |
| 输出电流 IOUT | min -10 · max 10 mA | 5 | |
| 工作环境温度 TA | min -40 · typ 25 · max 125 °C | 5 | |
| 结至环境热阻 RθJA | REF50xxAI; D (SOIC), 8 引脚 | typ 115 °C/W | 6 |
| 结至外壳(顶部)热阻 RθJC(top) | REF50xxAI; D (SOIC), 8 引脚 | typ 63.4 °C/W | 6 |
| 结至电路板热阻 RθJB | REF50xxAI; D (SOIC), 8 引脚 | typ 57.1 °C/W | 6 |
| 结至顶部特征参数 ΨJT | REF50xxAI; D (SOIC), 8 引脚 | typ 15.4 °C/W | 6 |
| 结至电路板特征参数 ΨJB | REF50xxAI; D (SOIC), 8 引脚 | typ 56.2 °C/W | 6 |
| 输出电压 VOUT | REF5050; TA = 25°C, ILOAD = 0, CL = 1uF, VIN = (VOUT + 0.2V) 至 18V | typ 5 V | 7 |
| 初始精度 | 标准等级; 所有电压选项 | min -0.1 · max 0.1 % | 7 |
| 低频噪声 enpp | ƒ = 0.1Hz 至 10Hz | typ 3 uVPP/V | 7 |
| 输出电压噪声 en | ƒ = 10Hz 至 1kHz | typ 0.9 uVrms/V | 7 |
| 输出电压温漂 dVOUT/dT | 标准等级; TA = -40°C 至 125°C | typ 3 · max 8 pm/℃ | 7 |
| 线路调整 ΔVO(ΔVI) | VIN = (VOUT + 0.2V) 至 18V; TA = 25°C | typ 1 · max 3 ppm/V | 7 |
| 线路调整 ΔVO(ΔVI) | VIN = (VOUT + 0.2V) 至 18V,TA = –40°C 至 125°C | typ 1 · max 5 ppm/V | 7 |
| 负载调整 ΔVO(ΔIL) | –10mA < IOUT < 10mA,VIN = VOUT + 0.75V; TA = 25°C | typ 20 · max 30 ppm/mA | 7 |
| 负载调整 ΔVO(ΔIL) | 10mA < IOUT < 10mA,VIN = VOUT + 0.75V,TA = –40°C 至 125°C | max 50 ppm/mA | 7 |
| 短路电流 ISC | VOUT = 0 | typ 25 mA | 7 |
| 热迟滞 | 标准等级; SOIC-8; 周期 1 | typ 90 ppm | 7 |
| 热迟滞 | 标准等级; SOIC-8; 周期 2 | typ 50 ppm | 7 |
| 长期稳定性 ΔVOUT_LTD | SOIC-8; 0 到 1000 小时 | typ 22 ppm | 7 |
| 长期稳定性 ΔVOUT_LTD | SOIC-8; 1000 到 2000 小时 | typ 18 ppm | 7 |
| 电压输出 | TEMP 引脚 | typ 575 mV | 7 |
| 温度敏感性 | TEMP 引脚; TA = -40°C 至 125°C | typ 2.64 mV/℃ | 8 |
| 导通趋稳时间 | 至 0.1%,CL = 1uF | typ 200 us | 8 |
| 电源电压 VS | REF5050; 最小值 VOUT + 0.2 V | max 18 V | 8 |
| 静态电流 | TA = 25°C, ILOAD = 0, CL = 1uF, VIN = (VOUT + 0.2V) 至 18V | typ 0.8 · max 1 mA | 8 |
| 静态电流 | –40°C ≤ TA ≤ 125°C | max 1.2 mA | 8 |
| 指定的范围 | 温度范围 | min -40 · max 125 °C | 8 |
| 工作温度范围 | min -55 · max 125 °C | 8 |
Parameters
18- Current - Supply
- 800uA
- Current - Supply(Max)
- 1.2mA
- Features
- Enable/disable
- Junction Temperature(Max)
- 150℃
- Noise - 1/10Hz to 10Hz
- 15uVp-p
- Operating Temperature
- -40℃~+125℃
- Output Current
- 10mA
- Output Type
- Fixed
- Output Voltage
- 5V
- Quiescent Current
- 800uA
- Reference Type
- Series
- Temperature Coefficient
- 8ppm/℃
- Thermal Resistance(Junction to Ambient)
- 115℃/W
- Thermal Resistance(Junction to Board)
- 57.1℃/W
- Thermal Resistance(Junction to Case)
- 63.4℃/W
- Tolerance
- ±0.1%
- Voltage - Supply
- 5.2V~18V
- Voltage - Supply(Absolute Max)
- 18V
Order codes
2- REF5050AIDRLCSC C27804
- REF5050AIDLCSC C962942
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | NC | Passive |
| 2 | IN | Input |
| 3 | TEMP | Passive |
| 4 | GND | Power in |
| 5 | TRIM | Passive |
| 6 | OUT | Power in |
| 7 | NC | Passive |
| 8 | NC | Passive |
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Is there a KiCad symbol and footprint for the REF5050AID?
Yes. The symbol is Regulators:REF50xx and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the REF5050AID?
SOIC-8, with 8 pins. Its footprint is drawn on this page.
Where is the REF5050AID datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the REF5050AID?
JLCPCB lists it as part C27804, with 16,819 in stock; the sellers' links on this page open their listings.
What can replace the REF5050AID?
Parts like it in the library: the ADR02ARZ-REEL7 by Analog Devices, the REF195ESZ-REEL by Analog Devices, the REF195GSZ-REEL7 by Analog Devices and the GM7400ARZ-5-R7 by GONGMOSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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