參數資料
| 型號： | XRD87L75AIUTR |
| 廠商： | Exar Corporation |
| 文件頁數： | 1/15頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 8BIT 10MSPS 20SSOP |
| 產品變化通告： | Leaded UART, V&I Obsolescence 11/Apr/2011 |
| 標準包裝： | 1,500 |
| 位數： | 8 |
| 采樣率（每秒）： | 10M |
| 數據接口： | 并聯 |
| 轉換器數目： | 1 |
| 功率耗散（最大）： | 650mW |
| 電壓電源： | 模擬和數字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SSOP（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 20-SSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數目和類型： | * |
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538
(510) 668-7000 FAX (510) 668-7017
Rev. 1.00
XRD87L75
Low-Voltage CMOS 8-Bit High-Speed
Analog-to-Digital Converter
April 2==2 1
FEATURES
8-Bit Resolution
Up to 10MHz Sampling Rate
Internal S/H Function
Single Supply: 3.3V
V
IN DC Range: 0V to VDD
V
REF DC Range: 1V to VDD
Low Power: 25mW typ. (excluding reference)
Latch-Up Free
ESD Protection: 2000V Minimum
Small 20-Pin SOIC/SSOP Packages
APPLICATIONS
Digital Color Copiers
Cellular Telephones
CCD-Based Systems
Hardware Scanners
Video Capture Boards
GENERAL DESCRIPTION
The XRD87L75 is an 8-bit Analog-to-Digital Converter in
a small 20-pin SOIC/SSOP package. Designed using
an advanced 3.3V CMOS process, this part offers
excellent performance, low power consumption and
latch-up free operation.
This device uses a two-step flash architecture to
maintain low power consumption at high conversion
rates. The input circuitry of the XRD87L75 includes an
on-chip S/H function and allows the user to digitize
analog input signals between AGND and AV
DD. Careful
design and chip layout have achieved a low analog input
capacitance. This reduces “kickback” and eases the
requirements of the buffer/amplifier used to drive the
XRD87L75.
The designer can choose the internally generated
reference voltages by connecting V
RB to VRBS and VRT to
V
RTS , or provide external reference voltages to the VRB
and V
RT pins. The internal reference generates 0.4V at
V
RB and 1.72V at VRT. Providing external reference
voltages allows easy interface to any input signal range
between GND and V
DD. This also allows the system to
adjust these voltages to cancel zero scale and full
scale errors, or to change the input range as needed.
The device operates from a single +3.3V supply. Power
consumption is 25mW at F
S = 6MHz.
Specified for operation over the commercial / industrial
(-40 to +85°C) temperature range, the XRD87L75 is
available in Surface Mount (SOIC), Shrink Small Out-
line (SSOP) and Plastic Dual-In-line (PDIP) Packages.
SIMPLIFIED BLOCK AND TIMING DIAGRAM
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| XRD87L75AIUTR-F | 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 |
| XRD87L85 | 制造商:EXAR 制造商全稱:EXAR 功能描述:Low-Voltage CMOS 8-Bit High-Speed Analog-to-Digital Converter |
| XRD87L85AID | 制造商:EXAR 制造商全稱:EXAR 功能描述:Low-Voltage CMOS 8-Bit High-Speed Analog-to-Digital Converter |
| XRD87L85AID-F | 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 |
| XRD87L85AIK | 功能描述:模數轉換器 - ADC 3.3V 8BIT 10 MSPS ANALOG to DIGITAL 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 |
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