參數(shù)資料
型號(hào): LT1498CN8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 運(yùn)動(dòng)控制電子
英文描述: 10MHz, 6V/us, Dual/Quad Rail-to-Rail Input and Output Precision C-Load Op Amps
中文描述: DUAL OP-AMP, 900 uV OFFSET-MAX, 9 MHz BAND WIDTH, PDIP8
封裝: 0.300 INCH, PLASTIC, DIP-8
文件頁數(shù): 13/16頁
文件大小: 377K
代理商: LT1498CN8
13
LT1498/LT1499
APPLICATIO
S I
N
FOR
ATIO
U
without oscillation at unity gain. When driving a heavy
capacitive load, the bandwidth is reduced to maintain
stability. Figures 2a and 2b illustrate the stability of the
device for small-signal and large-signal conditions with
capacitive loads. Both the small-signal and large-signal
transient response with a 10nF capacitive load are well
behaved.
W
U
Feedback Components
To minimize the loading effect of feedback, it is possible to
use the high value feedback resistors to set the gain.
However, care must be taken to insure that the pole formed
by the feedback resistors and the total input capacitance at
the inverting input does not degrade the stability of the
amplifier. For instance, the LT1498/LT1499 in a noninvert-
ing gain of 2, set with two 30k resistors, will probably
oscillate with 10pF total input capacitance (5pF input
capacitance + 5pF board capacitance). The amplifier has a
2.5MHz crossing frequency and a 60
°
phase margin at 6dB
of gain. The feedback resistors and the total input capaci-
tance create a pole at 1.06MHz that induces 67
°
of phase
shift at 2.5MHz! The solution is simple, either lower the
value of the resistors or add a feedback capacitor of 10pF
of more.
TYPICAL APPLICATIO
S
N
U
1A Voltage Controlled Current Source
1A Voltage Controlled Current Sink
+
1/2 LT1498
1k
500pF
t
r
< 1
μ
s
1498/99 TA03
Si9430DY
V
IN
V
+
R
L
100
0.5
1k
I
OUT
=
I
OUT
V
+
– V
IN
0.5
1k
V
IN
+
1/2 LT1498
500pF
1498/99 TA04
Si9410DY
V
+
V
+
R
L
I
OUT
100
0.5
1k
I
OUT
=
t
r
< 1
μ
s
V
IN
0.5
Figure 2b. LT1498 Large-Signal Response
V
S
= 5V
A
V
= 1
Figure 2a. LT1498 Small-Signal Response
1498/99 F02a
C
L
= 10nF
C
L
= 500pF
C
L
= 0pF
1498/99 F02b
V
S
= 5V
A
V
= 1
C
L
= 0pF
C
L
= 500pF
C
L
= 10nF
相關(guān)PDF資料
PDF描述
LT1501IS8 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1500CS-5 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1500IS-3 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1500IS-5 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1500 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1498CN8#PBF 功能描述:IC OP-AMP R-R IN/OUT DUAL 8-DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:C-Load™ 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 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:LM324ADTBR2G-NDLM324ADTBR2GOSTR
LT1498CN8PBF 制造商:Linear Technology 功能描述:LT1498CN8PBF
LT1498CN8TR 制造商:LINER 制造商全稱:Linear Technology 功能描述:Driving A-to-D Converters
LT1498CN8TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Driving A-to-D Converters
LT1498CS8 功能描述:IC OP-AMP R-R IN/OUT DUAL 8-SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:C-Load™ 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源,單路/雙路(±):2.7 V ~ 12 V,±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型: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:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT