参数资料
型号: LT1469AIDF#TRPBF
厂商: Linear Technology
文件页数: 3/20页
文件大小: 0K
描述: IC OPAMP 16BIT DUAL 90MHZ 12-DFN
标准包装: 2,500
放大器类型: 通用
电路数: 2
转换速率: 22 V/µs
增益带宽积: 90MHz
电流 - 输入偏压: 10nA
电压 - 输入偏移: 50µV
电流 - 电源: 4.1mA
电流 - 输出 / 通道: 22mA
电压 - 电源,单路/双路(±): ±2.5 V ~ 18 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 12-WFDFN 裸露焊盘
供应商设备封装: 12-DFN-EP(4x4)
包装: 带卷 (TR)
LT1469
11
1469fb
TYPICAL PERFORMANCE CHARACTERISTICS
Small-Signal Transient, AV = 1
Small-Signal Transient, AV = –1
Large-Signal Transient, AV = 1
Large-Signal Transient, AV = –1
Layout and Passive Components
The LT1469 requires attention to detail in board layout
in order to maximize DC and AC performance. For best
AC results (for example, fast settling time) use a ground
plane, short lead lengths and RF quality bypass capacitors
(0.01F to 0.1F) in parallel with low ESR bypass capaci-
tors (1F to 10F tantalum). For best DC performance, use
“star” grounding techniques, equalize input trace lengths
and minimize leakage (e.g., 1.5GΩ of leakage between an
input and a 15V supply will generate 10nA—equal to the
maximum IB– specification).
Board leakage can be minimized by encircling the input
circuitry with a guard ring operated at a potential close
to that of the inputs: for inverting configurations tie the
ring to ground, in noninverting connections tie the ring
to the inverting input (note the input capacitance will
increase which may require a compensating capacitor as
discussed below).
Microvolt level error voltages can also be generated in
the external circuitry. Thermocouple effects caused by
temperature gradients across dissimilar metals at the
contacts to the inputs can exceed the inherent drift of
APPLICATIONS INFORMATION
VS = ±15V
1469 G37
VS = ±15V
1469 G38
VS = ±15V
1469 G39
VS = ±15V
1469 G40
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