参数资料
型号: LT1259IN
厂商: Linear Technology
文件页数: 11/12页
文件大小: 0K
描述: IC AMP DUAL CURR FDBK SHDN 14DIP
标准包装: 25
放大器类型: 电流反馈
电路数: 2
转换速率: 1600 V/µs
-3db带宽: 130MHz
电流 - 输入偏压: 20µA
电压 - 输入偏移: 2000µV
电流 - 电源: 5mA
电流 - 输出 / 通道: 60mA
电压 - 电源,单路/双路(±): 4 V ~ 30 V,±2 V ~ 15 V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 14-DIP(0.300",7.62mm)
供应商设备封装: 14-PDIP
包装: 管件
8
LT1259/LT1260
Enable/Disable
The LT1259/LT1260 amplifiers have a unique high imped-
ance, zero supply current mode which is controlled by
independent EN pins. When disabled, an amplifier output
The input slew rate of the LT1259/LT1260 is approxi-
mately 270V/
s and is set by internal currents and capaci-
tances. The output slew rate is set by the value of the
feedback resistors and internal capacitances. At a gain of
10 with at 1k feedback resistor and
±15V supplies, the
output slew rate is typically 1600V/
s. Larger feedback
resistors will reduce the slew rate as will lower supply
voltages, similar to the way the bandwidth is reduced.
The graph of Maximum Undistorted Output vs Frequency
relates the slew rate limitations to sinusoidal input for
various gains.
looks like a 4.4pF capacitor in parallel with a 75k resistor,
excluding feedback resistor effects. These amplifiers are
designed to operate with open drain logic: the EN pins have
internal pullups and the amplifiers draw zero current when
these pins are high. To activate an amplifier, its EN pin is
pulled to ground (or at least 2V below the positive supply).
The enable pin current is approximately 60
A when
activated. Input referred switching transients with no
input signal applied are only 35mV positive and 80mV
negative with RL = 100.
Amplifier Enable Time, AV = 10
VS = ±5V
VIN = 0.1V
LT1259/LT1260 AI04
RF = 1k
RG = 110
RL = 150
The enable/disable times are very fast when driven from
standard 5V logic. The amplifier enables in about 100ns
(50% point to 50% point) while operating on
±5V sup-
plies. Likewise the disable time is approximately 40ns
(50% point to 50% point) or 75ns to 90% of the final
value. The output decay time is set by the output capaci-
tance and load resistor.
Large-Signal Transient Response, AV = 2
VS = ±15V
RF = RG = 1.6k
LT1259/LT1260 AI01
RL = 400
Large-Signal Transient Response, AV = 10
VS = ±15V
RF = 1k
LT1259/LT1260 AI02
RG = 110
RL = 400
OUTPUT
EN
VS = ±5V
VIN = 0V
Output Switching Transient
LT1259/LT1260 AI03
RF = RG = 1.6k
RL = 100
OUTPUT
EN
APPLICATIO S I FOR ATIO
WU
UU
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相关代理商/技术参数
参数描述
LT1259IN#PBF 功能描述:IC AMP DUAL CURR FDBK SHDN 14DIP 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)
LT1259IS 功能描述:IC AMP DUAL CURR FDBK SD 14SOIC RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:100 系列:- 放大器类型:通用 电路数:1 输出类型:- 转换速率:0.2 V/µs 增益带宽积:- -3db带宽:- 电流 - 输入偏压:100pA 电压 - 输入偏移:30µV 电流 - 电源:380µA 电流 - 输出 / 通道:- 电压 - 电源,单路/双路(±):±2 V ~ 18 V 工作温度:0°C ~ 70°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
LT1259IS#PBF 功能描述:IC AMP DUAL CURR FDBK SD 14SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:100 系列:- 放大器类型:通用 电路数:1 输出类型:- 转换速率:0.2 V/µs 增益带宽积:- -3db带宽:- 电流 - 输入偏压:100pA 电压 - 输入偏移:30µV 电流 - 电源:380µA 电流 - 输出 / 通道:- 电压 - 电源,单路/双路(±):±2 V ~ 18 V 工作温度:0°C ~ 70°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
LT1259IS#TR 功能描述:IC AMP DUAL CURR FDBK SD 14SOIC RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:100 系列:- 放大器类型:通用 电路数:1 输出类型:- 转换速率:0.2 V/µs 增益带宽积:- -3db带宽:- 电流 - 输入偏压:100pA 电压 - 输入偏移:30µV 电流 - 电源:380µA 电流 - 输出 / 通道:- 电压 - 电源,单路/双路(±):±2 V ~ 18 V 工作温度:0°C ~ 70°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
LT1259IS#TRPBF 功能描述:IC AMP DUAL CURR FDBK SD 14SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:100 系列:- 放大器类型:通用 电路数:1 输出类型:- 转换速率:0.2 V/µs 增益带宽积:- -3db带宽:- 电流 - 输入偏压:100pA 电压 - 输入偏移:30µV 电流 - 电源:380µA 电流 - 输出 / 通道:- 电压 - 电源,单路/双路(±):±2 V ~ 18 V 工作温度:0°C ~ 70°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