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参数资料
| 型号： | LT1816AIMS |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 运动控制电子 |
| 英文描述： | Single/Dual/Quad 220MHz, 1500V/us Operational Amplifiers with Programmable Supply Current |
| 中文描述： | DUAL OP-AMP, 3000 uV OFFSET-MAX, 220 MHz BAND WIDTH, PDSO10 |
| 封装： | PLASTIC, MSOP-10 |
| 文件页数： | 13/20页 |
| 文件大小： | 366K |
| 代理商： | LT1816AIMS |
13
LT1815
LT1816/LT1817
181567fa
APPLICATIOU
W
U
U
I
SET
V
–
181567 F01
V
+
R
SET
–5V
5V
–
+
LT1815S6
Figure 1. Programming Resistor Between I
SET
and V
–
R
SET
PROGRAMING RESISTOR (
)
50
G
100
150
200
250
10
1k
10k
40k
181567 F02
0
100
V
S
=
±
5V
T
A
= 25
°
C
R
L
= 500
R
L
= 100
Figure 2. Gain Bandwidth Product vs R
SET
Programming Resistor
R
SET
PROGRAMMING RESISTOR (
)
2
S
4
6
7
10
1k
10k
40k
181567 F03
0
100
5
3
1
V
S
=
±
5V
T
= 25
°
C
PER AMPLIFIER
Figure 3. Supply Current vs R
SET
Programming Resistor
Power Dissipation
The LT1815/LT1816/LT1817 combine high speed and
large output drive in small packages. It is possible to
exceed the maximum junction temperature specification
(150
°
C) under certain conditions. Maximum junction tem-
perature (T
J
) is calculated from the ambient temperature
(T
A
), power dissipation per amplifier (P
D
) and number of
amplifiers (n) as follows:
T
J
= T
A
+ (n P
D
θ
JA
)
Power dissipation is composed of two parts. The first is
due to the quiescent supply current and the second is due
to on-chip dissipation caused by the load current. The worst-
case load induced power occurs when the output voltage
is at 1/2 of either supply voltage (or the maximum swing
if less than 1/2 the supply voltage). Therefore P
DMAX
is:
P
DMAX
= (V
+
– V
–
) (I
SMAX
) + (V
+
/2)
2
/R
L
or
P
DMAX
= (V
+
– V
–
) (I
SMAX
) + (V
+
– V
OMAX
)
(V
OMAX
/R
L
)
Example: LT1816IS8 at 85
°
C, V
S
=
±
5V, R
L
=100
P
DMAX
= (10V) (11.5mA) + (2.5V)
2
/100
= 178mW
T
JMAX
= 85
°
C + (2 178mW) (150
°
C/W) = 138
°
C
Circuit Operation
The LT1815/LT1816/LT1817 circuit topology is a true
voltage feedback amplifier that has the slewing behavior of
a current feedback amplifier. The operation of the circuit
can be understood by referring to the Simplified Sche-
matic. Complementary NPN and PNP emitter followers
buffer the inputs and drive an internal resistor. The input
voltage appears across the resistor, generating current
that is mirrored into the high impedance node.
Complementary followers form an output stage that buff-
ers the gain node from the load. The input resistor, input
stage transconductance and the capacitor on the high
impedance node determine the bandwidth. The slew rate
is determined by the current available to charge the gain
node capacitance. This current is the differential input
voltage divided by R1, so the slew rate is proportional to
the input step. Highest slew rates are therefore seen in the
lowest gain configurations.
相关PDF资料 |
PDF描述 |
|---|---|
| LT1816IMS8 | Single/Dual/Quad 220MHz, 1500V/us Operational Amplifiers with Programmable Supply Current |
| LT1816IS8 | Single/Dual/Quad 220MHz, 1500V/us Operational Amplifiers with Programmable Supply Current |
| LT1817 | Single/Dual/Quad 220MHz, 1500V/us Operational Amplifiers with Programmable Supply Current |
| LT1817CS | Single/Dual/Quad 220MHz, 1500V/us Operational Amplifiers with Programmable Supply Current |
| LT1817IS | Single/Dual/Quad 220MHz, 1500V/us Operational Amplifiers with Programmable Supply Current |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1816AIMS#PBF | 功能描述:IC OP-AMP 220MHZ DUAL 10-MSOP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:- 放大器类型:通用 电路数:1 输出类型:满摆幅 转换速率:0.11 V/µs 增益带宽积:350kHz -3db带宽:- 电流 - 输入偏压:4nA 电压 - 输入偏移:20µV 电流 - 电源:260µA 电流 - 输出 / 通道:20mA 电压 - 电源，单路/双路(±):2.7 V ~ 36 V，±1.35 V ~ 18 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:带卷 (TR) |
| LT1816AIMS#TR | 功能描述:IC OP-AMP 220MHZ DUAL 10-MSOP RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:LinCMOS™ 放大器类型:通用 电路数:4 输出类型:- 转换速率:0.05 V/µs 增益带宽积:110kHz -3db带宽:- 电流 - 输入偏压:0.7pA 电压 - 输入偏移:210µV 电流 - 电源:57µA 电流 - 输出 / 通道:30mA 电压 - 电源，单路/双路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOIC 包装:管件 产品目录页面:865 (CN2011-ZH PDF) 其它名称:296-1834296-1834-5 |
| LT1816AIMS#TRPBF | 功能描述:IC OP-AMP 220MHZ DUAL 10-MSOP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:- 放大器类型:通用 电路数:1 输出类型:满摆幅 转换速率:0.11 V/µs 增益带宽积:350kHz -3db带宽:- 电流 - 输入偏压:4nA 电压 - 输入偏移:20µV 电流 - 电源:260µA 电流 - 输出 / 通道:20mA 电压 - 电源，单路/双路(±):2.7 V ~ 36 V，±1.35 V ~ 18 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:带卷 (TR) |
| LT1816CDD | 功能描述:IC OPAMP 220MHZ DUAL LP HS 8DFN RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:1,000 系列:- 放大器类型:电压反馈 电路数:4 输出类型:满摆幅 转换速率:33 V/µs 增益带宽积:20MHz -3db带宽:30MHz 电流 - 输入偏压:2nA 电压 - 输入偏移:3000µV 电流 - 电源:2.5mA 电流 - 输出 / 通道:30mA 电压 - 电源，单路/双路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOIC 包装:带卷 (TR) |
| LT1816CDD#PBF | 功能描述:IC OPAMP 220MHZ DUAL LP HS 8DFN RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:1,000 系列:- 放大器类型:电压反馈 电路数:4 输出类型:满摆幅 转换速率:33 V/µs 增益带宽积:20MHz -3db带宽:30MHz 电流 - 输入偏压:2nA 电压 - 输入偏移:3000µV 电流 - 电源:2.5mA 电流 - 输出 / 通道:30mA 电压 - 电源，单路/双路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOIC 包装:带卷 (TR) |
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