參數(shù)資料
型號(hào)： LT1014ACN
廠商： Linear Technology
文件頁數(shù)： 2/26頁
文件大?。?/td> 0K
描述： IC PRECISION OP-AMP QUAD 14-DIP
標(biāo)準(zhǔn)包裝： 25
放大器類型： 通用
電路數(shù)： 4
轉(zhuǎn)換速率： 0.4 V/µs
電流 - 輸入偏壓： 12nA
電壓 - 輸入偏移： 60µV
電流 - 電源： 350µA
電流 - 輸出 / 通道： 20mA
電壓 - 電源，單路/雙路(±)： 4 V ~ 44 V，±2 V ~ 22 V
工作溫度： 0°C ~ 70°C
安裝類型： 通孔
封裝/外殼： 14-DIP（0.300"，7.62mm）
供應(yīng)商設(shè)備封裝： 14-PDIP
包裝： 管件
LT1013/LT1014
0
10134fd
b) When the input is more than 400mV below ground
(at 25°C), the input stage saturates (transistors Q3 and
Q4) and phase reversal occurs at the output. This can
cause lock-up in servo systems. Due to a unique phase
reversal protection circuitry (Q21, Q22, Q27, Q28), the
LT1013/LT1014’s outputs do not reverse, as illustrated
below, even when the inputs are at –1.5V.
Thereisonecircumstance,however,underwhichthephase
reversal protection circuitry does not function: when the
other op amp on the LT1013, or one specific amplifier of
the other three on the LT1014, is driven hard into negative
saturation at the output.
Phase reversal protection does not work on amplifier:
A when D’s output is in negative saturation. B’s and C’s
outputs have no effect.
B when C’s output is in negative saturation. A’s and D’s
outputs have no effect.
C when B’s output is in negative saturation. A’s and D’s
outputs have no effect.
applicaTions inForMaTion
D when A’s output is negative saturation. B’s and C’s
outputs have no effect.
At the output, the aforementioned single supply designs
either cannot swing to within 600mV of ground (OP-20)
orcannotsinkmorethanafewmicroampereswhileswing-
ing to ground (LM124, LM158). The LT1013/LT1014’s
all-NPNoutputstagemaintainsitslowoutputresistanceand
high gain characteristics until the output is saturated.
In dual supply operations, the output stage is crossover
distortion-free.
Comparator Applications
The single supply operation of the LT1013/LT1014 lends
itself to its use as a precision comparator with TTL com-
patible output:
In systems using both op amps and comparators, the
LT1013/LT1014 can perform multiple duties; for example,
on the LT1014, two of the devices can be used as op amps
and the other two as comparators.
4V
LT1013/LT1014
NO PHASE REVERSAL
2V
4V
0V
6VP-P INPUT, –1.5V TO 4.5V
4V
LM324, LM358, OP-20
EXHIBIT OUTPUT PHASE
REVERSAL
VS = 5V, 0V
4
2
0
–100
0
2
0
100
INPUT
(mV)
OUTPUT
(V)
INPUT
(mV)
OUTPUT
(V)
Voltage Follower with Input Exceeding the Negative Common Mode Range
Comparator Rise Response Time
10mV, 5mV, 2mV Overdrives
Comparator Fall Response Time
to 10mV, 5mV, 2mV Overdrives
2V
0V
4
50s/DIV
VS = 5V, 0V
50s/DIV
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參數(shù)描述
LT1014ACN#PBF 功能描述:IC PRECISION OP-AMP QUAD 14-DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:帶卷 (TR)
LT1014ACN#PBF 制造商:Linear Technology 功能描述:IC OP AMP PRECISION 0.4V/ 制造商:Linear Technology 功能描述:IC, OP AMP, PRECISION, 0.4V/s, DIP-14
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