参数资料
型号: LT1722CS5#TRMPBF
厂商: Linear Technology
文件页数: 6/18页
文件大小: 0K
描述: IC OPAMP PREC 200MHZ TSOT-23-5
标准包装: 1
放大器类型: 电压反馈
电路数: 1
转换速率: 70 V/µs
增益带宽积: 200MHz
电流 - 输入偏压: 40nA
电压 - 输入偏移: 150µV
电流 - 电源: 3.7mA
电流 - 输出 / 通道: 50mA
电压 - 电源,单路/双路(±): 5 V ~ 10 V,±2.5 V ~ 5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: SOT-23-5 细型,TSOT-23-5
供应商设备封装: TSOT-23-5
包装: 标准包装
产品目录页面: 1319 (CN2011-ZH PDF)
其它名称: LT1722CS5#TRMPBFDKR
LT1722/LT1723/LT1724
14
172234fb
SIMPLIFIED SCHEMATIC
APPLICATIONS INFORMATION
Power dissipation is composed of two parts. The rst is
due to the quiescent supply current and the second is due
to on-chip dissipation caused by the load current.
Worst-case instantaneous power dissipation for a given
resistive load in one amplier occurs at the maximum
supply current and when the output voltage is at half of
either supply voltage (or the maximum swing if less than
half supply voltage).
Therefore PD(MAX) in one amplier is:
PD(MAX) = (V+ – V)(IS(MAX)) + (V+/2)2/RL
or
PD(MAX) = (V+ – V)(IS(MAX)) +
(V+ – VO(MAX))(VO(MAX)/RL)
Example. Worst-case conditions are: both op amps in
the LT1723IS8 are at TA = 85°C, VS = ±5V, RL = 150Ω,
VOUT = 2.5V.
PD(MAX) = 2 [(10V)(5.95mA) + (2.5V)2/150Ω] = 203mW
TJ(MAX) = 85°C + (203mW)(190°C/W) = 124°C
which is less than the absolute maximum rating at 150°C.
Circuit Operation
The LT1722/LT1723/LT1724 circuit topology is a voltage
feedback amplier. The operation of the circuit can be
understood by referring to the Simplied Schematic. The
rst stage is a folded cascode formed by the transistors
Q1 through Q4. A degeneration resistor, R, is used in the
input stage. The current mirror Q5, Q6 is bootstrapped
by Q7. The capacitor, C, assures the bandwidth and the
slew rate performance. The output stage is formed by
complementary emitter followers, Q8 through Q11. The
diodes D1 and D2 protect against input reversed biasing.
The remaining part of the circuit assures optimum voltage
and current biases for all stages.
Low noise, reduced current supply, high speed and
DC accurate parameters are distinctive features of the
LT1722/LT1723/LT1724.
Q2
+IN
Q1
D1
D2
R
?–IN
R2
Q6
Q7
Q9
Q10
VS
+
VS
OUT
1723 SS
Q11
Q8
Q4
C
VBIAS
I3
I4
I5
I2
I1
R1
Q5
Q3
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相关代理商/技术参数
参数描述
LT1722CS8 功能描述:IC PREC OPAMP 200MHZ SNGL 8-SOIC RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:160 系列:- 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:10 V/µs 增益带宽积:9MHz -3db带宽:- 电流 - 输入偏压:1pA 电压 - 输入偏移:250µV 电流 - 电源:730µA 电流 - 输出 / 通道:28mA 电压 - 电源,单路/双路(±):2.7 V ~ 5.5 V,±1.35 V ~ 2.75 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:16-SOIC(0.154",3.90mm 宽) 供应商设备封装:16-SOIC N 包装:管件
LT1722CS8#PBF 功能描述:IC OP AMP PREC 200MHZ SGL 8-SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:160 系列:- 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:10 V/µs 增益带宽积:9MHz -3db带宽:- 电流 - 输入偏压:1pA 电压 - 输入偏移:250µV 电流 - 电源:730µA 电流 - 输出 / 通道:28mA 电压 - 电源,单路/双路(±):2.7 V ~ 5.5 V,±1.35 V ~ 2.75 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:16-SOIC(0.154",3.90mm 宽) 供应商设备封装:16-SOIC N 包装:管件
LT1722CS8#TR 功能描述:IC PREC OPAMP 200MHZ SNGL 8-SOIC RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:160 系列:- 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:10 V/µs 增益带宽积:9MHz -3db带宽:- 电流 - 输入偏压:1pA 电压 - 输入偏移:250µV 电流 - 电源:730µA 电流 - 输出 / 通道:28mA 电压 - 电源,单路/双路(±):2.7 V ~ 5.5 V,±1.35 V ~ 2.75 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:16-SOIC(0.154",3.90mm 宽) 供应商设备封装:16-SOIC N 包装:管件
LT1722CS8#TRPBF 功能描述:IC PREC OPAMP 200MHZ SNGL 8-SOIC 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)
LT1722IS5 制造商:Linear Technology 功能描述:OP Amp Single GP ±6.3V/12.6V 5-Pin TSOT-23