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参数资料
| 型号： | LT6604CUFF-15#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQCC34 |
| 封装： | 4 X 7 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-34 |
| 文件页数： | 2/16页 |
| 文件大小： | 203K |
| 代理商： | LT6604CUFF-15#TRPBF |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT6604CUFF-2.5#PBF | 功能描述:IC AMP DIFF LN DUAL 34-QFN RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:Excalibur™ 放大器类型:J-FET 电路数:1 输出类型:- 转换速率:45 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:20pA 电压 - 输入偏移:490µV 电流 - 电源:1.7mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:带卷 (TR) |
| LT6604CUFF-2.5#TRPBF | 功能描述:IC AMP DIFF LN DUAL 34-QFN RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:Excalibur™ 放大器类型:J-FET 电路数:1 输出类型:- 转换速率:45 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:20pA 电压 - 输入偏移:490µV 电流 - 电源:1.7mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:带卷 (TR) |
| LT6604CUFF-2.5-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Very Low Noise, Differential Amplifi er and 2.5MHz Lowpass Filter |
| LT6604CUFF-2.5-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Very Low Noise, Differential Amplifi er and 2.5MHz Lowpass Filter |
| LT6604CUFF-5#PBF | 功能描述:IC AMP DIFF LN DUAL 34-QFN RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:Excalibur™ 放大器类型:J-FET 电路数:1 输出类型:- 转换速率:45 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:20pA 电压 - 输入偏移:490µV 电流 - 电源:1.7mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:带卷 (TR) |
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