LTC1662

所属类别：DAC数模转换器
产品名称：MSOP 封装的超低功率、双通道 10 位 DAC
厂商：LT
生产批号：10+
封装：MSOP-8, N-8
库存状态：有库存
库存量：50000
最低订购量：1
详细资料：

Product Introduction

Ultra-low-power, dual-channel1 in LTC1662MSOP package

peculiarity

超低功率：每个 DAC 的 I_CC 为 1.5μA (典型值)，睡眠模式的消耗电流为 0.05μA，可延长电池的使用寿命
纤巧：两个采用 8 引脚 MSOP 封装的 10 位 DAC —— 尺寸为 SO-8 封装的一半
2.7V 至 5.5V 的宽电源范围
用于同时 DAC 更新的双缓冲
轨至轨电压输出可驱动 1000pF 的容性负载
基准范围包括电源以提供比例式 0V 至 V_CC 输出
基准输入阻抗与代码无关 (典型值为 7.1MΩ )—— 免除了外部缓冲器
具施密特 (Schmitt) 触发器输入的三线式串行接口
差分非线性度：±0.75LSB (最大值)

description

The LTC®1662 is an ultra-low-power, fully buffered voltage output, dual-channel 10-bit digital-to-analog converter (DAC). Each DAC channel draws only 1.7μA (typical) of total supply + reference operating current, yet is capable of delivering over 1mA of DC output current and reliably driving capacitive loads up to 1000pF. A programmable sleep mode further reduces the total operating current to 0.05μA.

The proprietary intrinsically monotonous architecture of Linear provides excellent linearity and achieves an exceptionally small external shape. The dual-buffered input logic circuitry provides simultaneous update capability and can be used to perform write operations to the DAC without interrupting sleep mode.

With its tiny operating current and exceptionally slim form factor, the LTC1662 is ideal for most power-constrained products. For most designs, it has no noticeable impact on the power budget; LTC1662 absorbs currents many times lower than even a variable resistor, while providing a buffered, low-impedance (0.5Ω typical, VCC = 5V) rail-to-rail output.

LTC1662 is pin and software compatible with LTC1661 dual-channel, 60μA, 10-bit DACs. The device is available in an 8-pin MSOP and PDIP package and has a defined industrial temperature range.

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移动通信
便携式电池供电型仪器
远程或难以接近的调节
数字控制式放大器和衰减器
工厂或现场校准

ICs related to LTC1662 include:

Model	Manufacturers	lot number	encapsulation	illustrate
LTC1662	LT	10+	MSOP-8, N-8	Ultra-low-power, dual-channel 10-bit DAC in an MSOP package
MAX1662EUB+T	MAXIM	10+	N/A	Brand new original import, Hong Kong spot
2SD1662	TOSHIBA	09+	TO-3PI	Brand new original
SN74ABT16623DL	TI	Current updates	N／A	Brand new original
MAX1662EUB	MAXIM	05+	TQFP	Brand new original
LFSB25N15B1662BA-560	MURATA	06+	3225
Z8916620VSC	ZILOG	07+/08+	PLCC68
316620-1	SIEMENS	97+	SOP

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