參數(shù)資料
型號(hào)： LT1631CS
廠商： LINEAR TECHNOLOGY CORP
元件分類： 運(yùn)動(dòng)控制電子
英文描述： 30MHz, 10V/us, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps
中文描述： QUAD OP-AMP, 1250 uV OFFSET-MAX, 28 MHz BAND WIDTH, PDSO14
封裝： 0.150 INCH, PLASTIC, SO-14
文件頁(yè)數(shù)： 16/16頁(yè)
文件大?。?/td> 356K
代理商： LT1631CS
16
LT1630/LT1631
16301f LT/TP 0998 4K PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1998
TYPICAL APPLICATIO
N
S
RF Amplifier Control Biasing and DC Restoration
Taking advantage of the rail-to-rail input and output, and
the large output current capability of the LT1630, the
circuit, shown in Figure 6, provides precise bias currents
for the RF amplifiers and restores DC output level. To
ensure optimum performance of an RF amplifier, its bias
point must be accurate and stable over the operating
temperature range. The op amp A1 combined with Q1, Q2,
R1, R2 and R3 establishes two current sources of 21.5mA
to bias RF1 and RF2 amplifiers. The current of Q1 is
determined by the voltage across R2 over R1, which is
replicated in Q2. These current sources are stable and
precise over temperature and have a low dissipated power
due to a low voltage drop between their terminals. The
amplifier A2 is used to restore the DC level at the output.
With a large output current of the LT1630, the output can
be set at 1.5VDC on 5V supply and 50
load. This circuit
has a 3dB bandwidth from 2MHz to 2GHz and a power gain
of 25dB.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
–
+
A1
1/2 LT1630
V
OUT
1630/31 F06
5V
5V
HP-MSA0785
HP-MSA0785
R3
10k
L1
220
μ
H
C5
0.01
μ
F
L2
220
μ
H
Q1
2N3906
Q2
2N3906
C6
0.01
μ
F
R5
50
R1
10
R2
453
R4
10
C3
1500pF
–
+
A2
1/2 LT1630
C4
1500pF
C2
1500pF
C1
0.01
μ
F
V
IN
L4
3.9
μ
H
L3
3.9
μ
H
+
+
+
RF1
RF2
Figure 6. RF Amplifier Control Biasing and DC Restoration
RELATED PARTS
PART NUMBER
LT1211/LT1212
DESCRIPTON
Dual/Quad 14MHz, 7V/
μ
s, Single Supply Precision Op Amps
COMMENTS
Input Common Mode Includes Ground, 275
μ
V V
OS(MAX)
,
6
μ
V/
°
C Max Drift, Max Supply Current 1.8mA per Op Amp
Input Common Mode Includes Ground, 275
μ
V V
OS(MAX)
,
6
μ
V/
°
C Max Drift, Max Supply Current 3.5mA per Op Amp
Input Common Mode Includes Ground, 450
μ
V V
OS(MAX)
,
6
μ
V/
°
C Max Drift, Max Supply Current 6.6mA per Op Amp
High DC Accuracy, 475
μ
V V
OS(MAX)
, 4
μ
V/
°
C Max Drift,
Max Supply Current 2.2mA per Amp
High DC Accuracy, 1.35mV V
OS(MAX)
, 70mA Output Current,
Max Supply Current 5.2mA per Amp
LT1213/LT1214
Dual/Quad 28MHz, 12V/
μ
s, Single Supply Precision Op Amps
LT1215/LT1216
Dual/Quad 23MHz, 50V/
μ
s, Single Supply Precision Op Amps
LT1498/LT1499
Dual/Quad 10MHz, 6V/
μ
s Rail-to-Rail Input and Output
C-Load
TM
Op Amps
Dual/Quad 45MHz, 45V/
μ
s Rail-to-Rail Input and Output Op Amps
LT1632/LT1633
C-Load is a trademark of Linear Technology Corporation.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1631CS#PBF 功能描述:IC OPAMP R-R IN/OUT QUAD 14SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 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
LT1631CS#TR 功能描述:IC OPAMP PREC RR I/O QUAD 14SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件
LT1631CS#TRPBF 功能描述:IC OPAMP R-R IN/OUT QUAD 14SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件
LT1631CSPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:30MHz, 10V/μs, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps
LT1631CSTRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:30MHz, 10V/μs, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps
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