Overview
The REF191ESZ is a voltage Reference made by Analog Devices in a SOIC-8 package with 8 pins. -40℃~+85℃@(Ta) 2.048V 20uVp-p 30mA 3V~15V 45uA 5ppm/℃ Fixed Series SOIC-8 Voltage Reference ROHS.
PCBKit's library has its KiCad symbol (Reference_Voltage:REF191, from KiCad's library) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 11 are in stock at JLCPCB (part C207466).
Symbol
Footprint
Parameters
10- Features
- Low-power standby
- Noise - 1/10Hz to 10Hz
- 20uVp-p
- Operating Temperature
- -40℃~+85℃
- Output Current
- 30mA
- Output Type
- Fixed
- Output Voltage
- 2.048V
- Quiescent Current
- 45uA
- Reference Type
- Series
- Temperature Coefficient
- 5ppm/℃
- Voltage - Supply
- 3V~15V
Order codes
1- REF191ESZLCSC C207466
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | TP | Not connected |
| 2 | Vin | Power in |
| 3 | Sleep | Input |
| 4 | GND | Power in |
| 5 | TP | Not connected |
| 6 | Vout | Power out |
| 7 | NC | Not connected |
| 8 | NC | Not connected |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/adi/REF191ESZ" title="REF191ESZ in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/adi/REF191ESZ.jpg" alt="REF191ESZ" width="1200" height="900">[](https://pcbkit.io/parts/adi/REF191ESZ)Questions
Is there a KiCad symbol and footprint for the REF191ESZ?
Yes. The symbol is Reference_Voltage:REF191 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 REF191ESZ?
SOIC-8, with 8 pins. Its footprint is drawn on this page.
Where is the REF191ESZ datasheet?
Analog Devices publishes it: the Datasheet link on this page opens it.
Where can I order the REF191ESZ?
JLCPCB lists it as part C207466, with 11 in stock; the sellers' links on this page open their listings.
What can replace the REF191ESZ?
Parts like it in the library: the REF191GSZ by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.
