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参数资料
| 型号： | SPT7862SIT |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | ADC |
| 英文描述： | DUAL 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP64 |
| 封装： | 10 X 10 MM, TQFP-64 |
| 文件页数： | 1/10页 |
| 文件大小： | 101K |
| 代理商： | SPT7862SIT |
SPT7862
10-BIT, 40 MSPS, DUAL-CHANNEL A/D CONVERTER
FEATURES
Dual-channel, 10-Bit, 40 MSPS analog-to-digital
converter
Low power dissipation: 320 mW (typical)
Internal track-and-hold
Single +5 volt supply
Tri-state, TTL/CMOS-compatible outputs
Selectable +3 or +5 V logic I/O
High ESD protection of 3,500 volts minimum
APPLICATIONS
Video set-top boxes
Cellular base stations
QPSK/QAM RF demodulation
S-video digitizers
Composite video digitizers
Portable and handheld instrumentation
Medical ultrasound
Cable modems
Video frame grabbers
GENERAL DESCRIPTION
The SPT7862 contains two separate 10-bit CMOS analog-
to-digital converters that have sampling rates of up to 40
MSPS. Each device has its own separate clock and refer-
ence inputs so that they can be used independently in
multichannel applications or can be driven from the same
inputs for demanding quadrature demodulation and S-video
applications. On-chip track-and-hold and advanced propri-
etary circuit design in a CMOS process technology provide
very good dynamic performance.
The SPT7862 operates from a single +5 V supply. Digital
data outputs are user selectable at +3 or +5 V. Output data
format is straight binary.
The SPT7862 is available in a 64-lead TQFP package
(10 x 10 mm) over the industrial temperature range of
–40
°C to +85 °C.
ADC
Reference
Ladder
Timing
Generation
VINA
VRHFA
VRHSA
VRLFA
VRLSA
CLK A
ADC
Reference
Ladder
Timing
Generation
VINB
VRHFB
VRHSB
VRLFB
VRLSB
CLK B
Output
Buffers
OVDDA (+3.3/5.0 V)
DA9–0
EN
Output
Buffers
OVDDB (+3.3/5.0 V)
DB9–0
AVDD
AGND
DVDD
DGND
VINRA
VINRB
OGNDA
OGNDB
DAVB
DAVA
BLOCK DIAGRAM
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPT7863 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:10-BIT, 40 MSPS, 160 mW A/D CONVERTER |
| SPT7863SCS | 功能描述:直流/直流开关转换器 10BIT 40MSPS SaR aDC RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| SPT7863SCSX | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| SPT7863SCT | 功能描述:视频模拟/数字化转换器集成电路 10BIT 40MSPS SaR aDC RoHS:否 制造商:Texas Instruments 输入信号类型:Differential 转换器数量:1 ADC 输入端数量:4 转换速率:3 Gbps 分辨率:8 bit 结构: 输入电压:3.3 V 接口类型:SPI 信噪比: 电压参考: 电源电压-最大:3.45 V 电源电压-最小:3.15 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TCSP-48 封装:Reel |
| SPT7863SCT_Q | 功能描述:模数转换器 - ADC 10BIT 40MSPS SaR aDC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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