Datasheet > LM107J-14/883

LM107J-14/883

更新时间： 2024-01-01 18:24:44

品牌	Logo	应用领域
美国国家半导体 - NSC		放大器
页数	文件大小	规格书
2页	92K
描述
IC OP-AMP, 3000 uV OFFSET-MAX, 1 MHz BAND WIDTH, CDIP14, CERAMIC, DIP-14, Operational Amplifier

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LM107J-14/883 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	DIP, DIP14,.3	Reach Compliance Code：	unknown
风险等级：	5.92	放大器类型：	OPERATIONAL AMPLIFIER
架构：	VOLTAGE-FEEDBACK	频率补偿：	YES
JESD-30 代码：	R-XDIP-T14	JESD-609代码：	e0
低-偏置：	NO	低-失调：	NO
微功率：	NO	功能数量：	1
端子数量：	14	最高工作温度：	125 °C
最低工作温度：	-55 °C	封装主体材料：	CERAMIC
封装代码：	DIP	封装等效代码：	DIP14,.3
封装形状：	RECTANGULAR	封装形式：	IN-LINE
功率：	NO	电源：	+-5/+-15 V
可编程功率：	NO	认证状态：	Not Qualified
筛选级别：	MIL-STD-883 Class C	子类别：	Operational Amplifiers
表面贴装：	NO	技术：	BIPOLAR
温度等级：	MILITARY	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	宽带：	NO
Base Number Matches：	1

LM107J-14/883 数据手册

National Semiconductor

Linear Brief 19

August 1972

Predicting Op Amp Slew

Rate Limited Response

The following analysis of sine and step voltage responses

applies to all single dominant pole op amps such as the

LM101A, LM107, LM108A, LM112, LM118 and the LM741.

Each of these op amps has an open loop response curve

with a shape similar to the one shown in Figure 1. The dis-

tinguishing feature of this curve is the single low frequency

2q f V

(3)

(4)

2q f

max p

where: v

output voltage

peak output voltage

turnover from a flat response to a uniform 20 dB per dec-

ade of frequency ( 6 dB/octave) drop in gain, at least until

maximum

the curve passes through the 0 dB line. Closing the loop to

40 dB (X100) as shown with a dotted line on Figure 1 does

not change the shape of the curve, but it does move the

turnover to a higher frequency. These open loop and closed

loop response curves determine the gain applied to small

signal inputs. The logical question then arises as to when a

signal can no longer be treated as a small signal and the

amplifier response begins to deviate from this curve.

The maximum sine wave frequency an amplifier with a given

slew rate will sustain without causing the output to take on a

triangular shape is therefore a function of the peak ampli-

tude of the output and is expressed as:

(5)

max

2q V

Equation 5 demonstrates that the borderline between small

signal response and slew rate limited response is not just a

function of the peak output signal but that by trading off

either frequency or peak amplitude one can continue to

have a distortion free output. Figure 2 shows a quick refer-

ence graphical presentation of equation 5 with the area

above any V

line representing an undistorted small sig-

line repre-

PEAK

nal response and the area below a given V

PEAK

senting a distorted sine wave response due to slew rate

limiting.

TL/H/8726–1

FIGURE 1. Open and Closed Loop Frequency Response

The answer lies in the slew rate limit of the op amp. The

slew rate limit is the maximum rate of change of the amplifi-

er’s output voltage and is due to the fact that the compensa-

tion capacitor inside the amplifier only has finite currents

available for charging and discharging. A sinusoidal output

signal will cease being a small signal when its maximum rate

of change equals the slew rate limit S of the amplifier. The

maximum rate of change for a sine wave occurs at the zero

crossing and may be derived as follows:

TL/H/8726–2

sin 2q ft

(1)

(2)

FIGURE 2. Sine Wave Response

As a matter of convenience, amplifier manufacturers often

give a ‘‘full-power bandwidth’’ or ‘‘large signal response’’ on

their specification sheets.

2q f V cos 2 q ft

1995 National Semiconductor Corporation

TL/H/8726

RRD-B30M115/Printed in U. S. A.

中文翻译

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与LM107J-14/883相关器件

型号	品牌	获取价格	描述	数据表
LM107J14/883B	NSC	获取价格	IC,OP-AMP,SINGLE,BIPOLAR,DIP,14PIN,CERAMIC
LM107J14/883C	ROCHESTER	获取价格	Operational Amplifier
LM107J-14/B	ROCHESTER	获取价格	Operational Amplifier
LM107J8	Linear	获取价格	Operational Amplifiers
LM107JG	TI	获取价格	HIGH-PERFORMANCE OPERATIONAL AMPLIFIERS
LM107JG/883B	ROCHESTER	获取价格	Operational Amplifier
LM107MD8	ROCHESTER	获取价格	Operational Amplifier, 1 Func, 3000uV Offset-Max, BIPolar, DIE
LM107MD8	NSC	获取价格	IC OP-AMP, 3000 uV OFFSET-MAX, 1 MHz BAND WIDTH, UUC, DIE, Operational Amplifier
LM107MW8	ROCHESTER	获取价格	Operational Amplifier, 1 Func, 3000uV Offset-Max, BIPolar, WAFER
LM107MW8	TI	获取价格	OP-AMP, 3000uV OFFSET-MAX, 1MHz BAND WIDTH, UUC, WAFER

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