Overview
The LMV321 is an operational Amplifier made by IDCHIP in a SOT-23-5 package with 5 pins. -40℃~+85℃ 1 1MHz 3V~5.5V 400V/ms 40mA 40nV/√Hz@1kHz 430uA 500nA 5nA 7mV 85dB Built-in compensation SOT-23-5 Operational Amplifier ROHS.
PCBKit's library has its KiCad symbol (Amplifier_Operational:LMV321, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23-5, from KiCad's library), ready for a KiCad board. 8,462 are in stock at JLCPCB (part C395459).
Symbol
Footprint
From the datasheet
8- Supply, least
- 3 V · VCC+, recommended operating min · p. 4
- Supply, most
- 5.5 V · VCC+, recommended operating max · p. 4
- Supply, absolute maximum
- 5.5 V · V+ - V−, absolute max · p. 3
- Works from
- -40 °C · operating temperature min · p. 4
- Works up to
- 85 °C · operating temperature max · p. 4
- Junction, hottest
- 150 °C · junction temperature absolute max · p. 3
- Takes working
- 430 µA · V+, typical supply current, 5 V, no load · p. 5
- Junction to air (SOT-23)
- 265 K/W · junction to ambient · p. 3
What it is and has
7- Amplifier
- Low-power single operational amplifier · p. 2
- Gain bandwidth product
- 1MHZ · p. 2
- Supply current
- 430µA typical, VCC = 5V, TA = 25°C · p. 2
- Input bias current
- 45nA typical, VCC = 5V, TA = 25°C · p. 2
- Unity gain stability
- Stable · p. 2
- Capacitive load
- Stable with high capacitive loads · p. 2
- Package
- SOT-23 · p. 2
Specifications
32| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| 输入电流 | VIN < −0.3V; 注 (2) | max 50 mA | 3 |
| 电源电压 (V+ - V−) | max 5.5 V | 3 | |
| 输入电压 | min -0.3 · max 5 V | 3 | |
| 存储温度范围 | min -65 · max 150 °C | 3 | |
| 结温 | 注 (4) | max 150 °C | 3 |
| 铅温度(焊接, 10 秒) | 安装温度 | max 60 °C | 3 |
| 红外 (10 秒) | 安装温度 | max 215 °C | 3 |
| 对环境的热阻 θJA | SOT-23; 直接焊接在PCB板上 | max 265 °C/W | 3 |
| ESD 耐受 | 人体模型，1.5kΩ串联100pF; 注 (5) | max 300 V | 3 |
| 温度范围 | min -40 · max 85 °C | 4 | |
| 电源电压 | min 3 · max 5.5 V | 4 | |
| 输入失调电压 Vos | TA = 25°C; V+ = 5V; V− = 0V; VO = 1.4V | typ 3 · max 7 mV | 5 |
| 输入失调电流 Ios | TA = 25°C; V+ = 5V; V− = 0V; VO = 1.4V | typ 5 · max 50 nA | 5 |
| 输入偏置电流(4) IB | TA = 25°C; V+ = 5V; V− = 0V; VO = 1.4V | typ 45 · max 250 nA | 5 |
| 输入共模电压范围 VCM | V+ = 3V; CMRR >= 50dB; TA = 25°C; maximum = V+ -1.5 | min 0 V | 5 |
| 大信号电压增益 AV | TA = 25°C; V+ = 5V; RL = 2kΩ; VO = 2.4V to 4.4V | min 25 · typ 100 V/mV | 5 |
| 电源抑制比 PSRR | TA = 25°C; RS≤ 10kΩ; V+ ≤ 3V to 5.5V | min 65 · typ 100 dB | 5 |
| 共模抑制比 CMRR | TA = 25°C; V+ = 5V; V− = 0V; VO = 1.4V; RS ≤ 10kΩ | min 65 · typ 85 dB | 5 |
| 输出电压 VOH | TA = 25°C; V+ = 3V; RL = 2kΩ | min 2.6 V | 5 |
| 输出电压 VOH | TA = 25°C; V+ = 3V; RL = 10kΩ | min 2.7 · typ 2.8 V | 5 |
| 输出电压 VOL | TA = 25°C; V+ = 5V; RL = 10kΩ | typ 5 · max 20 mV | 5 |
| 电源电流, 无负载 IS | TA = 25°C; V+ = 5V; V− = 0V; VO = 1.4V | typ 0.43 · max 1.15 mA | 5 |
| 电源电流, 无负载 IS | TA = 25°C; V+ = 3V; V− = 0V; VO = 1.4V | typ 0.66 · max 2.85 mA | 5 |
| 输出电流源 ISOURCE | TA = 25°C; VID = +1V; V+ = 5V; VO = 2V | min 20 · typ 40 mA | 5 |
| 输出 Sinking 电流 ISINK | TA = 25°C; VID=-1v; V+ = 5V; VO = 2V | min 10 · typ 20 mA | 5 |
| 输出 Sinking 电流 ISINK | TA = 25°C; VID=-1v; V+ = 5V; VO =0. 2V | min 12 · typ 100 uA | 5 |
| 输出短路到地（6） IO | TA = 25°C; V+ = 5V | typ 40 · max 85 mA | 5 |
| 压摆率 SR | TA = 25°C; V+ = 5V; RL= 2kΩ; VIN= 0.5 to 3V; CL = 100pF; Unity Gain | typ 0.4 V/us | 6 |
| 增益带宽积 GBW | TA = 25°C; V+ = 5V; f = 100kHz; VIN=10mV; RL=2KΩ; CL = 100pF | typ 1 MHz | 6 |
| 相位余量 φm | TA = 25°C; V+ = 5V; V− = 0V; VO = 1.4V | typ 60 deg | 6 |
| 总谐波失真 THD | TA = 25°C; f = 1kHz; AV = 20dB; RL= 2kΩ; Vo= 2Vpp; CL= 100pF; V+ = 3V | typ 0.015 % | 6 |
| 电压噪声密度 en | TA = 25°C; f = 1kHz; RS = 100Ω; V+ = 5V | typ 40 | 6 |
Pins, by the datasheet
5- 1 IN+
- 同向输入端 · p. 4
- 2 GND
- 电源负 · p. 4
- 3 IN-
- 反向输入端 · p. 4
- 4 OUT
- 输出端 · p. 4
- 5 VCC+
- 输入电源正 · p. 4
Parameters
17- Common Mode Rejection Ratio(CMRR)
- 85dB
- Current - Supply
- 430uA
- Features
- Built-in compensation
- Gain Bandwidth Product
- 1MHz
- Ib - Input Bias Current
- 500nA
- Input Offset Current(Ios)
- 5nA
- Input Voltage Noise Density
- 40nV/√Hz@1kHz
- Junction Temperature(Max)
- 150℃
- Number of Channels
- 1
- Operating Temperature
- -40℃~+85℃
- Output Current
- 40mA
- Quiescent Current
- 430uA
- Single supply
- 3V~5.5V
- Slew Rate
- 400V/ms
- Thermal Resistance(Junction to Ambient)
- 265℃/W
- Voltage - Supply(Absolute Max)
- 5.5V
- Vos - Input Offset Voltage
- 7mV
Order codes
1- LMV321LCSC C395459
Pinout
5| Pin | Name | Type |
|---|---|---|
| 1 | + | Input |
| 2 | V- | Power in |
| 3 | - | Input |
| 4 | — | Output |
| 5 | V+ | Power in |
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Is there a KiCad symbol and footprint for the LMV321?
Yes. The symbol is Amplifier_Operational:LMV321 and the footprint Package_TO_SOT_SMD:SOT-23-5, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LMV321?
SOT-23-5, with 5 pins. Its footprint is drawn on this page.
Where is the LMV321 datasheet?
IDCHIP publishes it: the Datasheet link on this page opens it.
Where can I order the LMV321?
JLCPCB lists it as part C395459, with 8,462 in stock; the sellers' links on this page open their listings.
What can replace the LMV321?
Parts like it in the library: the LM321MF by UMW, the TLV9061IDBV by Texas Instruments, the LM321-TR by Gainsil and the LM321MFX by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
LM321MF
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SOT-23-5-2.75V~-900mV、900mV~2.75V -40℃~+125℃ 1 1.6mV 1.8V~5.5V 1MHz 2V/us 2pA 4.7nV/√Hz@1kHz 40mA 5pA 600nV/℃ 60uA 86dB Enable/shutdown function、EMI filtering/RF suppression Rail-to-Rail Input, Rail-to-Rail Output SOT-23-5 Operational Amplifier ROHSTexas InstrumentsOperational AmplifierLM321LVIDBV
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