參數資料
型號： LT6604IUFF-15#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 模擬信號調理
英文描述： SPECIALTY ANALOG CIRCUIT, PQCC34
封裝： 4 X 7 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-34
文件頁數： 2/16頁
文件大?。?/td> 203K
代理商： LT6604IUFF-15#PBF
LT6604-15
10
660415fb
APPLICATIONS INFORMATION
In Figure 3 the LT6604-15 is providing 12dB of gain. The
gain resistor has an optional 62pF in parallel to improve
the passband atness near 15MHz. The common mode
output voltage is set to 2V.
Use Figure 4 to determine the interface between the
LT6604-15 and a current output DAC. The gain, or “tran-
simpedance,” is dened as A = VOUT/IIN. To compute the
transimpedance, use the following equation:
A =
536 R1
(R1+R2)
(Ω)
By setting R1 + R2 = 536Ω, the gain equation reduces
to A = R1 (Ω).
The voltage at the pins of the DAC is determined by R1,
R2, the voltage on VMID and the DAC output current.
Consider Figure 4 with R1 = 49.9Ω and R2 = 487Ω. The
voltage at VMID, for VS = 3.3V, is 1.65V. The voltage at the
DAC pins is given by:
V
DAC = VMID
R1
R1+R2+ 536
+IIN
R1 R2
R1+R2
= 77mV +IIN 45.3Ω
IIN is IIN+ or IIN–. The transimpedance in this example is
49.8Ω.
Evaluating the LT6604-15
The low impedance levels and high frequency operation
of the LT6604-15 require some attention to the matching
networks between the LT6604-15 and other devices. The
previous examples assume an ideal (0Ω) source impedance
and a large (1k) load resistance. Among practical examples
–
+
133Ω
0.1μF
0.01μF
5V
–
+
VIN
–
VIN
+
25
27
4
34
6
2
29
7
660415 F03
VOUT
+
VOUT
–
62pF
+
– 2V
V
t
3
2
1
0
VIN
+
VIN
–
V
t
3
2
1
0
VOUT
+
VOUT
–
LT6604-15
500mVP-P (DIFF)
1/2
–
+
0.1μF
0.01μF
3.3V
–
+
LT6604-15
25
27
VOUT
+
IIN
+
IIN
–
VOUT
–
4
1/2
34
6
2
29
7
660415 F04
CURRENT
OUTPUT
DAC
R1
R2
=
VOUT
+ – VOUT–
IIN
+ – IIN–
536 R1
R1 + R2
Figure 3
Figure 4
–
+
0.1μF
2.5V
–2.5V
–
+
LT6604-15
25
27
4
34
6
2
29
7
660415 F05
402Ω
NETWORK
ANALYZER
INPUT
50Ω
COILCRAFT
TTWB-16A
4:1
NETWORK
ANALYZER
SOURCE
COILCRAFT
TTWB-1010
1:1
50Ω
52.3Ω
523Ω
1/2
Figure 5
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相關代理商/技術參數
參數描述
LT6604IUFF-2.5#PBF 功能描述:IC AMP DIFF LN DUAL 34-QFN RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數:1 輸出類型:- 轉換速率: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） 供應商設備封裝:8-SOIC 包裝:帶卷 (TR)
LT6604IUFF-2.5#TRPBF 功能描述:IC AMP DIFF LN DUAL 34-QFN RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數:1 輸出類型:- 轉換速率: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） 供應商設備封裝:8-SOIC 包裝:帶卷 (TR)
LT6604IUFF-2.5-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Very Low Noise, Differential Amplifi er and 2.5MHz Lowpass Filter
LT6604IUFF-2.5-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Very Low Noise, Differential Amplifi er and 2.5MHz Lowpass Filter
LT6604IUFF-5#PBF 功能描述:IC AMP DIFF LN DUAL 34-QFN RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數:1 輸出類型:- 轉換速率: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） 供應商設備封裝:8-SOIC 包裝:帶卷 (TR)
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