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| 型号： | LT6600IS8-10#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/16页 |
| 文件大小： | 0K |
| 描述： | IC AMP DIFF LP FLTR 10MHZ 8-SOIC |
| 标准包装： | 100 |
| 放大器类型： | 差分 |
| 电路数： | 1 |
| 输出类型： | 差分 |
| 电流 - 输入偏压： | 40µA |
| 电压 - 输入偏移： | 8000µV |
| 电流 - 电源： | 36mA |
| 电压 - 电源，单路/双路(±)： | 3 V ~ 11 V，±1.5 V ~ 5.5 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-SO |
| 包装： | 管件 |
| 产品目录页面： | 1324 (CN2011-ZH PDF) |
LT6600-10
12
66001fe
APPLICATIONS INFORMATION
Power Dissipation
The LT6600-10 ampliers combine high speed with large-
signal currents in a small package. There is a need to
ensure that the dies’s junction temperature does not exceed
150°C. The LT6600-10 S8 package has Pin 6 fused to the
lead frame to enhance thermal conduction when connect-
ing to a ground plane or a large metal trace. Metal trace
and plated through-holes can be used to spread the heat
generated by the device to the backside of the PC board.
For example, on a 3/32" FR-4 board with 2oz copper, a
total of 660 square millimeters connected to Pin 6 of the
LT6600-10 S8 (330 square millimeters on each side of the
PC board) will result in a thermal resistance,
θJA,of about
85°C/W. Without the extra metal trace connected to the
V– pin to provide a heat sink, the thermal resistance will
be around 105°C/W. Table 2 can be used as a guide when
considering thermal resistance.
Table 2. LT6600-10 SO-8 Package Thermal Resistance
COPPER AREA
TOPSIDE
(mm2)
BACKSIDE
(mm2)
BOARD AREA
(mm2)
THERMAL RESISTANCE
(JUNCTION-TO-AMBIENT)
1100
2500
65°C/W
330
2500
85°C/W
35
2500
95°C/W
35
0
2500
100°C/W
0
2500
105°C/W
Junction temperature, TJ, is calculated from the ambient
temperature, TA, and power dissipation, PD. The power
dissipation is the product of supply voltage, VS, and
supply current, IS. Therefore, the junction temperature
is given by:
TJ = TA + (PD θJA) = TA + (VS IS θJA)
where the supply current, IS,isafunctionofsignallevel,load
impedance, temperature and common mode voltages.
For a given supply voltage, the worst-case power dis-
sipation occurs when the differential input signal is
maximum, the common mode currents are maximum
(see the Applications Information section regarding com-
mon mode DC currents), the load impedance is small and
the ambient temperature is maximum. To compute the
junction temperature, measure the supply current under
these worst-case conditions, estimate the thermal resis-
tance from Table 2, then apply the equation for TJ. For
example, using the circuit in Figure 3 with DC differential
input voltage of 250mV, a differential output voltage of 1V,
no load resistance and an ambient temperature of 85°C,
the supply current (current into V+) measures 48.9mA.
Assuming a PC board layout with a 35mm2 copper trace,
the
θJA is 100°C/W. The resulting junction temperature is:
TJ = TA + (PD θJA) = 85 + (5 0.0489 100) = 109°C
When using higher supply voltages or when driving small
impedances, more copper may be necessary to keep TJ
below 150°C.
Figure 8
FREQUENCY (MHz)
0.1
SPECTRAL
DENSIT
Y
(nV
RMS
/√Hz)
INTEGRA
TED
NOISE
(mV
RMS
)
35
30
25
20
15
10
5
0
140
120
100
80
60
40
20
0
1.0
10
100
6600 F08
SPECTRAL DENSITY
INTEGRATED
NOISE
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| LT6600IS8-15 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Very Low Noise, Differential Amplifi er and 15MHz Lowpass Filter |
| LT6600IS8-15#PBF | 功能描述:IC AMP DIFF LP FLTR 15MHZ 8-SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:1 系列:- 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.028 V/µs 增益带宽积:105kHz -3db带宽:- 电流 - 输入偏压:3nA 电压 - 输入偏移:100µV 电流 - 电源:3.3µA 电流 - 输出 / 通道:12mA 电压 - 电源，单路/双路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:14-TSSOP 包装:剪切带 (CT) 其它名称:OP481GRUZ-REELCT |
| LT6600IS8-15#TRPBF | 功能描述:IC AMP DIFF LP FLTR 15MHZ 8-SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:73 系列:Over-The-Top® 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.07 V/µs 增益带宽积:200kHz -3db带宽:- 电流 - 输入偏压:1nA 电压 - 输入偏移:285µV 电流 - 电源:50µA 电流 - 输出 / 通道:25mA 电压 - 电源，单路/双路(±):2 V ~ 44 V，±1 V ~ 22 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-WFDFN 裸露焊盘 供应商设备封装:16-DFN-EP（5x3） 包装:管件 |
| LT6600IS8-15-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Very Low Noise, Differential Amplifi er and 15MHz Lowpass Filter |
| LT6600IS8-15-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Very Low Noise, Differential Amplifi er and 15MHz Lowpass Filter |
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