參數(shù)資料
型號(hào)： LT1498
廠商： Linear Technology Corporation
英文描述： 10MHz, 6V/μs, Dual Rail-to-Rail Input and Output Precision C-Load Op Amps(10MHz, 6V/μs,雙路滿幅度輸入和輸出,精密型,電容負(fù)載運(yùn)算放大器)
中文描述： 10MHz的，6V/μs，雙軌至軌輸入和輸出精度葷負(fù)載運(yùn)算放大器（10MHz的，6V/μs，雙路滿幅度輸入和輸出，精密型，電容負(fù)載運(yùn)算放大器）
文件頁(yè)數(shù)： 11/16頁(yè)
文件大?。?/td> 264K
代理商： LT1498
11
LT1498/LT1499
TYPICAL PERFOR
M
A
N
CE CHARACTERISTICS
APPLICATIO
S I
FOR
ATIO
U
Rail-to-Rail Input and Output
The LT1498/LT1499 are fully functional for an input and
output signal range from the negative supply to the posi-
tive supply. Figure 1 shows a simplified schematic of the
amplifier. The input stage consists of two differential
amplifiers, a PNP stage (Q1/Q2) and an NPN stage (Q3/
Q4) which are active over different ranges of input com-
mon mode voltage. A complementary common emitter
output stage (Q14/Q15) is employed allowing the output
to swing from rail-to-rail. The devices are fabricated on
Linear Technology’s proprietary complementary bipolar
process to ensure very similar DC and AC characteristics
for the output devices (Q14/Q15).
W
U
U
The PNP differential input pair is active for input common
mode voltages, V
CM
, between the negative supply to
approximately 1.3V below the positive supply. As V
CM
moves further toward the positive supply, the transistor
Q5 will steer the tail current, I
1
, to the current mirror Q6/
Q7 activating the NPN differential pair, and the PNP
differential pair becomes inactive for the rest of the input
common mode range up to the positive supply.
The output is configured with a pair of complementary
common emitter stages that enables the output to swing
from rail to rail. Capacitors C1 and C2 form local feedback
loops that lower the output impedance at high frequencies.
5V Small-Signal Response
5
200ns/DIV
V
S
= 5V
A
V
= 1
V
IN
= 20mV
P-P
AT 50kHz
R
L
= 1k
1498/99 G27
±
15V Small-Signal Response
5
200ns/DIV
1498/99 G29
V
S
=
±
15V
A
V
= 1
V
IN
= 20mV
P-P
AT 50kHz
R
L
= 1k
1
5V Large-Signal Response
2
μ
s/DIV
V
S
= 5V
A
V
= 1
V
IN
= 4V
P-P
AT 10kHz
R
L
= 1k
1498/99 G28
5
±
15V Large-Signal Response
2
μ
s/DIV
V
S
=
±
15V
A
V
= 1
V
IN
= 20V
P-P
AT 10kHz
R
L
= 1k
1498/99 G30
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1498_09 制造商:LINER 制造商全稱(chēng):Linear Technology 功能描述:Driving A-to-D Converters
LT1498CN8 功能描述:IC OP-AMP R-R IN/OUT DUAL 8-DIP RoHS:否 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:C-Load™ 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類(lèi)型:通用 電路數(shù):2 輸出類(lèi)型:滿擺幅 轉(zhuǎn)換速率:350 V/µs 增益帶寬積:180MHz -3db帶寬:320MHz 電流 - 輸入偏壓:12.5µA 電壓 - 輸入偏移:800µV 電流 - 電源:15mA 電流 - 輸出 / 通道:85mA 電壓 - 電源，單路/雙路(±):2.5 V ~ 12.6 V，±1.25 V ~ 6.3 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR)
LT1498CN8#PBF 功能描述:IC OP-AMP R-R IN/OUT DUAL 8-DIP RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:C-Load™ 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類(lèi)型:通用 電路數(shù):4 輸出類(lèi)型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱(chēng):LM324ADTBR2G-NDLM324ADTBR2GOSTR
LT1498CN8PBF 制造商:Linear Technology 功能描述:LT1498CN8PBF
LT1498CN8TR 制造商:LINER 制造商全稱(chēng):Linear Technology 功能描述:Driving A-to-D Converters
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