参数资料
| 型号： | LT1994CDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 20/20页 |
| 文件大小： | 0K |
| 描述： | IC DIFF AMP/DRIVER LN 8-DFN |
| 标准包装： | 121 |
| 放大器类型： | 差分 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 65 V/µs |
| 增益带宽积： | 70MHz |
| 电流 - 输入偏压： | 18µA |
| 电压 - 输入偏移： | 3000µV |
| 电流 - 电源： | 14.8mA |
| 电流 - 输出 / 通道： | 85mA |
| 电压 - 电源，单路/双路(±)： | 2.375 V ~ 12.6 V，±1.188 V ~ 6.3 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN-EP（3x3） |
| 包装： | 管件 |
| 产品目录页面： | 1322 (CN2011-ZH PDF) |
9
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LT1994
IN+, IN– (Pins 1, 8): Noninverting and Inverting Input
Pins of the Amplier, Respectively. For best performance,
it is highly recommended that stray capacitance be
kept to an absolute minimum by keeping printed circuit
connections as short as possible, and if necessary, strip-
ping back nearby surrounding ground plane away from
these pins.
VOCM (Pin 2): Output Common Mode Reference Voltage.
The VOCM pin is the midpoint of an internal resistive volt-
age divider between the supplies, developing a (default)
mid-supply voltage potential to maximize output signal
swing. VOCM has a Thevenin equivalent resistance of
approximately 40k and can be overdriven by an external
voltage reference. The voltage on VOCM sets the output
common mode voltage level (which is dened as the av-
erage of the voltages on the OUT+ and OUT– pins). VOCM
should be bypassed with a high quality ceramic bypass
capacitor of at least 0.1μF (unless connected directly to
a low impedance, low noise ground plane) to minimize
common mode noise from being converted to differen-
tial noise by impedance mismatches both externally and
internally to the IC.
V+, V– (Pins 3, 6):
Power Supply Pins. For single-supply
applications (Pin 6 grounded) it is recommended that
high quality 1μF and 0.1μF ceramic bypass capacitors be
placed from the positive supply pin (Pin 3) to the negative
supply pin (Pin 6) with minimal routing. Pin 6 should be
directly tied to a low impedance ground plane. For dual
power supplies, it is recommended that high quality, 0.1μF
ceramic capacitors are used to bypass Pin 3 to ground
and Pin 6 to ground. It is also highly recommended that
high quality 1μF and 0.1μF ceramic bypass capacitors be
placed across the power supply pins (Pins 3 and 6) with
minimal routing.
OUT+, OUT– (Pins 4, 5):
Output Pins. Each pin can drive
approximately 100
Ωtogroundwithashort-circuitcurrent
limit of up to ±85mA. Each amplier output is designed
to drive a load capacitance of 25pF. This basically means
the amplier can drive 25pF from each output to ground
or 12.5pF differentially. Larger capacitive loads should be
decoupled with at least 25
Ω resistors from each output.
SHDN (Pin 7): When Pin 7 (SHDN) is oating or when
Pin 7 is directly tied to V+, the LT1994 is in the normal
operating mode. When Pin 7 is pulled a minimum of 2.1V
below V+, the LT1994 enters into a low power shutdown
state. Refer to the SHDN pin section under Applications
Information for a description of the LT1994 output imped-
ance in the shutdown state.
PIN FUNCTIONS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1994CMS8 | 制造商:Linear Technology 功能描述:SP Amp DIFF AMP Single R-R O/P ±6.3V/12.6V 8-Pin MSOP |
| LT1994CMS8#PBF | 功能描述:IC DIFF AMP/DRIVER LN 8-MSOP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:通用 电路数:2 输出类型:满摆幅 转换速率:1.8 V/µs 增益带宽积:6.5MHz -3db带宽:4.5MHz 电流 - 输入偏压:5nA 电压 - 输入偏移:100µV 电流 - 电源:65µA 电流 - 输出 / 通道:35mA 电压 - 电源，单路/双路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LT1994CMS8#TR | 制造商:Linear Technology 功能描述:DIFF-AMPLIFIER, 70MHZ, 65V/US, MSOP-8, No. of Amplifiers:1, Input Offset Voltage 制造商:Linear Technology 功能描述:DIFF-AMPLIFIER, 70MHZ, 65V/US, MSOP-8, No. of Amplifiers:1, Input Offset Voltage:2mV, Bandwidth:70MHz, Amplifier Case Style:MSOP, No. of Pins:8, Supply Voltage Range:2.375V to 12.6V, Slew Rate:65V/s, Supply Current:14.8mA, MSL:- , RoHS Compliant: No |
| LT1994CMS8#TRPBF | 功能描述:IC DIFF AMP/DRIVER LN 8-MSOP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:通用 电路数:2 输出类型:满摆幅 转换速率:1.8 V/µs 增益带宽积:6.5MHz -3db带宽:4.5MHz 电流 - 输入偏压:5nA 电压 - 输入偏移:100µV 电流 - 电源:65µA 电流 - 输出 / 通道:35mA 电压 - 电源，单路/双路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LT1994CMS8PBF | 制造商:Linear Technology 功能描述:Differential Amp RRO +/-6.3V/12.6V MSOP8 |
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