Datasheet > LF256CD

LF256CD

更新时间： 2024-11-08 07:02:35

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		光电二极管
页数	文件大小	规格书
14页	250K
描述
OP-AMP, 6200uV OFFSET-MAX, 5MHz BAND WIDTH, PDSO8, MICRO, PLASTIC, SOP-8

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数据手册

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LF256CD 数据手册

LF155 - LF156 - LF157

ELECTRICAL CHARACTERISTICS

LF355, LF356, LF357

0^oC ≤ T_amb≤ +70^oC

V_CC= ±15V_{, (unless otherwise specified)}

LF355 - LF356 - LF357

Symbol

Parameter

Unit

Min.

Typ.

Max.

V_io

Input Offset Voltage (R_S= 50Ω)

T_amb= 25^oC

T_min.≤ T_amb≤ T_max.

I_io

Input Offset Current - (note 3)

T_amb= 25^oC

T_min.≤ T_amb≤ T_max.

I_ib

Input Bias Current - (note 3)

T_amb= 25^oC

200

T_min.≤ T_amb≤ T_max.

A_vd

Large Signal Voltage Gain (R_L= 2kΩ, V_O= ±10V)

V/mV

T_amb= 25^oC

200

100

T_min.≤ T_amb≤ T_max.

SVR

I_CC

Supply Voltage Rejection Ratio - (note 4)

Supply Current (no load)

T_amb= 25^oC

LF355

LF356, LF357

DV_io

Input Offset Voltage Drift (R_S= 50Ω) - (note 2)

µV/^oC

DV_io/V_ioChange in Average Temperature Coefficient with V_ioadjust

0.5

µV/^oC

(R_S= 50Ω)

per mV

V_icm

Input Common Mode Voltage Range (T_amb= 25^oC)

±10

+15.1

-12

CMR

Common Mode Rejection Ratio

100

±V_OPP

Output Voltage Swing

R_L= 10kΩ

±12

±10

±13

±12

R_L= 2kΩ

GBP

Gain Bandwidth Product T_amb= 25^oC)

LF355

LF356

LF357

2.5

MHz

Slew Rate (T_amb= 25^oC)

A_V= 1

V/µs

LF355

LF356

LF357

10¹²

A_V= 5

R_i

C_i

e_n

Input Resistance (T_amb= 25^oC)

Input Capacitance (Tamb = 25^oC)

Ω

Equivalent Input Noise Voltage (T_amb= 25^oC, R_S= 100Ω)

√Hz

f = 1000Hz

LF355

LF356, LF357

LF355

f = 100Hz

LF356, LF357

i_n

t_s

Equivalent Input Noise Current

√Hz

µs

(T_amb= 25^oC, f = 100Hz or f = 1000Hz)

0.01

Settling Time (T_amb= 25^oC) - (note 5)

LF355

LF356, LF357

1.5

Notes : 1. Unless otherwise specified the absolute maximum negative input voltage is equal to the negative power supply voltage.

2. The temperature coefficient of the adjusted input offset voltage changes only a small amount (0.5µV/^oC typically) for each mV

of adjustment from its original unadjusted value. Common-mode rejection and open loop voltage gain are alsounaffected by

offset adjustment.

3. The input bias currents are junction leakage currents which approximately double for every 10^oC increase in the junction

temperature T_amb. Due to limited production test time, the input bias current measured is correlated to junction temperature.

In a normal operation the junction temperature rises above the ambient temperature as a result of internal power dissipation,

P_tot-T_amb=T_amb+R_th(j-a)xP_totwhere Rt_h(j-a)is the thermal resistance from junction to ambient. Use of a heatsink is recommended

f input currents are to be kept to a minimum.

4. Supply voltage rejection is measured for both supply magnitudes increasing or decreasing simultaneously, in accordance with

common practise.

5. Settling time is defined here, for a unity gain inverter connection using 2kΩ resistors for the LF155, LF156 series. It is the time

required for the error voltage (the voltage at the inverting input pin on the amplifier) to settle to within 0.01% of its final value from

the time a 10V step input is applied to the inverter. For the LF157 series A_V= -5, the feedback resistor from output to inputis 2kΩ

and the output step is 10V.

4/14

1 2 345 6 7...14

中文翻译

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与LF256CD相关器件

型号	品牌	获取价格	描述	数据表
LF256D	STMICROELECTRONICS	获取价格	WIDE BANDWIDTH SINGLE J-FET OPERATIONAL AMPLIFIERS
LF256H	TI	获取价格	LF155/LF156/LF256/LF257/LF355/LF356/LF357 JFET Input Operational Amplifiers
LF256H	NSC	获取价格	JFET Input Operational Amplifiers
LF256H/NOPB	TI	获取价格	JFET Input Operational Amplifier 8-TO-99 -25 to 85
LF256ID	STMICROELECTRONICS	获取价格	OP-AMP, 6200uV OFFSET-MAX, 5MHz BAND WIDTH, PDSO8, MICRO, PLASTIC, SOP-8
LF256IN	STMICROELECTRONICS	获取价格	OP-AMP, 6200uV OFFSET-MAX, 5MHz BAND WIDTH, PDIP8, PLASTIC, DIP-8
LF256M	TI	获取价格	IC,OP-AMP,SINGLE,BIPOLAR/JFET,SOP,8PIN,METAL
LF256N	STMICROELECTRONICS	获取价格	WIDE BANDWIDTH SINGLE J-FET OPERATIONAL AMPLIFIERS
LF256N	TI	获取价格	IC,OP-AMP,SINGLE,BIPOLAR/JFET,DIP,8PIN,METAL
LF256T	NXP	获取价格	Operational Amplifier, MBCY8

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