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參數資料
| 型號： | SPT7936 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 12-BIT, 28 MSPS SAMPLING A/D CONVERTER |
| 中文描述： | 12位，28 MSPS的采樣A / D轉換器 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 59K |
| 代理商： | SPT7936 |
SPT7936
12-BIT, 28 MSPS SAMPLING A/D CONVERTER
FEATURES
3.0-3.6 V Power Supply
Typical SINAD: 60 dB for (f
IN
= 10 MHz)
Low power: (260 mW @3.3 V)
Sample Rate: 28 MSPS
Internal Sample/Hold
Differential Input
Sleep Mode (Power Down)
APPLICATIONS
Imaging
Test Equipment
Computer Scanners
Communications
Set-Top Boxes
GENERAL DESCRIPTION
The SPT7936 is a compact, high-speed, low power 12-bit
monolithic analog-to-digital converter, implemented in a
0.5
μ
m CMOS process. The converter includes sample and
hold. The full scale range can be set between
±
0.6 V and
±
1.2
V using external references. It operates from a single 3.0-3.6
V supply-compatible with modern digital systems. Most con-
verters in this performance range demand at least a +5 V
supply. Its low distortion and high dynamic range offers the
performance needed for demanding imaging, multimedia,
telecommunications and instrumentation applications.
The SPT7936 has a pipelined architecture - resulting in low
input capacitance. Digital error correction of the 11 most
significant bits ensures good linearity for input frequencies
approaching Nyquist.
The device is available in a 44L TQFP package over the
commercial temperature range of 0 to +70
°
C.
Digital Delays, Error Correction and Output Register
Ref Buff
Ref Buff
BGREF
BIAS CELL
Bias 0
Bias 1
CM
Ext Ref
THA
Clock
Driver
VREF+
VREF-
VIN+
VIN-
Clock
Stage 1
Stage 2
Stage 3
Stage 10
Stage_Last
(2-Bit Flash)
OR
Bit <11...0)
BGAP
BLOCK DIAGRAM
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| SPT7936SCT | 12-BIT, 28 MSPS SAMPLING A/D CONVERTER |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SPT7936SCT | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| SPT7937 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:12-BIT, 28 MSPS, 170 mW A/D CONVERTER |
| SPT7937SIR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:12-BIT, 28 MSPS, 170 mW A/D CONVERTER |
| SPT7938 | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:12-BIT, 40 MSPS, 170 mW A/D CONVERTER |
| SPT7938SIR | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:12-BIT, 40 MSPS, 170 mW A/D CONVERTER |
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