LF257D 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

LF257D

WIDE BANDWIDTH SINGLE J-FET OPERATIONAL AMPLIFIERS

STMicroelectronics 

LF155 - LF156 - LF157

ELECTRICAL CHARACTERISTICS

LF155, LF156, LF157

LF255, LF256, LF257

-55oC ≤ Tamb ≤ +125oC

-40oC ≤ Tamb ≤ +105oC

(unless otherwise specified)

±5V ≤ VCC ≤ ±20V

±5V ≤ VCC ≤ ±20V

Symbol

Parameter

Vio

Iio

Iib

Avd

SVR

ICC

DVio

DVio/Vio

Vicm

Input Offset Voltage

Tamb = 25oC

(RS

=

50Ω)

Tmin. ≤ Tamb ≤ Tmax.

LF155, LF156, LF157

LF255, LF256, LF257

Input Offset Current - (note 3)

Tamb = 25oC

Tmin. ≤ Tamb ≤ Tmax.

LF155, LF156, LF157

LF255, LF256, LF257

Input Bias Current - (note 3)

Tamb = 25oC

Tmin. ≤ Tamb ≤ Tmax.

LF155, LF156, LF157

LF255, LF256, LF257

Large Signal Voltage

Tamb = 25oC

Gain

(RL

=

2kΩ,

VO

=

±10V,

VCC

=

±15V)

Tmin. ≤ Tamb ≤ Tmax.

Supply Voltage Rejection Ratio - (note 4)

SupTpalymbC=ur2re5noCt (VCC = ±15V, no load)

LF155, LF255

LF156, LF256

LF157, LF257

Input Offset Voltage Drift (RS = 50Ω)

Change in Average Temperature Coefficient with Vio adjust

(RS = 50Ω) - (note 2)

Input Common Mode Voltage Range (VCC = ±15V, Tamb = 25oC)

CMR

±VOPP

GBP

SR

Ri

Ci

en

in

ts

Common Mode Rejection Ratio

Output Voltage Swing (VCC = ±15V)

RL = 10kΩ

RL = 2kΩ

Gain Bandwidth Product (VCC = ±15V, Tamb = 25oC)

LF155, LF255

LF156, LF256

LF157, LF257

Slew Rate (VCC = ±15V, Tamb = 25oC)

AV = 1

LF155, LF255

LF156, LF256

AV = 5

LF157, LF257

Input Resistance (Tamb = 25oC)

Input Capacitance (VCC = ±15V, Tamb = 25oC)

Equivalent Input Noise Voltage

(VCC = ±15V, Tamb = 25oC, RS = 100Ω)

f = 1000Hz

f = 100Hz

LF155, LF255

LF156, LF256

LF157, LF257

LF155, LF255

LF156, LF256

LF157, LF257

Equivalent Input Noise Current

(VCC = ±15V, Tamb = 25oC, f = 100Hz or f = 1000Hz)

Settling Time (VCC = ±15V, Tamb = 25oC) - (note 5)

LF155, LF255

LF156, LF256

LF157, LF257

LF155 - LF156 - LF157

LF255 - LF256 - LF257

Min. Typ. Max.

3

5

7

6.2

3

20

20

1

20

100

50

5

50

200

25

85

100

2

4

5

7

5

7

5

0.5

±11 +15.1

-12

85

100

±12 ±13

±10 ±12

2.5

5

20

5

7.5

12

30

50

1012

3

20

12

12

25

15

15

0.01

4

1.5

1.5

Unit

mV

pA

nA

nA

pA

nA

nA

V/mV

dB

mA

µV/oC

µV/oC

V

dB

V

MHz

V/µs

Ω

pF

nV

√Hz

pA

√Hz

µs

3/14

Share Link: