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AD7870JNZ: Complete 12-Bit, 100 kHz, Sampling ADC (AD7870/AD7870A)

The AD7870/AD7875/AD7876 is a fast, complete, 12-bit A/D converter. It consists of a track/hold amplifier, 8 us successive approximation ADC, 3 V buried Zener reference and versatile interface logic. The ADC features a self-contained internal clock which is laser trimmed to guarantee accurate control of conversion time. No external clock timing components are required; the on-chip clock may he overridden by an external clock if required.

The parts offer a choice of three data output formats: a single, parallel, 12-bit word; two 8-bit bytes or serial data. Fast bus access times and standard control inputs ensure easy interfacing to modern microprocessors and digital signal processors.

All parts operate from ±5 V power supplies. The AD7870 and AD7876 accept input signal ranges of ±3 V and ±10 V, respectively, while the AD7875 accepts a unipolar 0 V to +5 V input range. The parts can convert full power signals up to 50 kHz.

The AD7870/AD7875/AD7876 feature dc accuracy specifications such as linearity, full-scale and offset error. In addition, the AD7870 and AD7875 are fully specified for dynamic performance parameters including distortion and signal-to-noise ratio.

The parts are available in a 24-pin, 0.3 inch-wide, plastic or hermetic dual-in-line package (DIP). The AD7870 and AD7875 are available in a 28-pin plastic leaded chip carrier (PLCC), while the AD7876 is available and in a 24-pin small outline (SOIC) package.

AD7870JNZ 特点
AD7870JNZ 功能框图

AD7870 芯片订购指南
产品型号 产品状态 封装 引脚 温度范围
5962-9063201M3A 量产 LCC:CER LEADLESS CHIP CARR 28 军用
5962-9063201MLA 量产 CERDIP GLASS SEAL 24 军用
AD7870AJNZ 量产 24 ld PDIP 24 商业
AD7870AQ 量产 CERDIP GLASS SEAL 24 工业
AD7870BQ 量产 CERDIP GLASS SEAL 24 工业
AD7870CQ 量产 CERDIP GLASS SEAL 24 工业
AD7870JN 量产 24 ld PDIP 24 商业
AD7870JNZ 量产 24 ld PDIP 24 商业
AD7870JP 量产 28 ld PLCC 28 商业
AD7870JP-REEL 量产 28 ld PLCC 28 商业
AD7870JPZ 量产 28 ld PLCC 28 商业
AD7870JPZ-REEL 量产 28 ld PLCC 28 商业
AD7870KN 量产 24 ld PDIP 24 商业
AD7870KNZ 量产 24 ld PDIP 24 商业
AD7870KP-REEL 量产 28 ld PLCC 28 商业
AD7870KPZ 量产 28 ld PLCC 28 商业
AD7870KPZ-REEL 量产 28 ld PLCC 28 商业
AD7870LNZ 量产 24 ld PDIP 24 商业
AD7870LP-REEL 量产 28 ld PLCC 28 商业
AD7870LPZ 量产 28 ld PLCC 28 商业
AD7870JNZ 应用技术支持与电子电路设计开发资源下载
  1. AD7870 数据手册DataSheet 下载 . PDF
  2. ADI 模拟器件公司比较器产品选型指南 . PDF
  3. Analog Devices, Inc. 美国模拟器件公司产品订购手册 .PDF