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參數(shù)資料
| 型號： | AD9849AKSTZRL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/32頁 |
| 文件大小： | 0K |
| 描述： | IC CCD SIGNAL PROC 12BIT 48LQFP |
| 標準包裝： | 2,000 |
| 類型： | CCD 信號處理器，12 位 |
| 輸入類型： | 邏輯 |
| 輸出類型： | 邏輯 |
| 接口： | 3 線串口 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 帶卷 (TR) |
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REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
a
AD9848/AD9849
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
2003 Analog Devices, Inc.
CCD Signal Processors with
Integrated Timing Driver
FUNCTIONAL BLOCK DIAGRAM
CLAMP
DOUT
CCDIN
PBLK
VRT
VRB
INTERNAL
REGISTERS
2dB TO 36dB
SYNC
GENERATOR
SDATA
SCK
SL
CLPOB
10 OR 12
VGA
AD9848/AD9849
4 6dB
PRECISION
TIMING
CORE
ADC
VREF
CLAMP
INTERNAL
CLOCKS
PxGA
CDS
HORIZONTAL
DRIVERS
4
RG
H1–H4
HD
VD
CLI
CLPDM
FEATURES
AD9848: 10-Bit, 20 MHz Version
AD9849: 12-Bit, 30 MHz Version
Correlated Double Sampler (CDS)
–2 dB to +10 dB Pixel Gain Amplifier (
PxGA)
2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)
10-Bit 20 MHz A/D Converter (AD9848)
12-Bit 30 MHz A/D Converter (AD9849)
Black Level Clamp with Variable Level Control
Complete On-Chip Timing Driver
Precision Timing Core with 1 ns Resolution @ 20 MSPS
On-Chip 3 V Horizontal and RG Drivers (AD9848)
On-Chip 5 V Horizontal and RG Drivers (AD9849)
48-Lead LQFP Package
APPLICATIONS
Digital Still Cameras
PRODUCT DESCRIPTION
The AD9848 and AD9849 are highly integrated CCD signal pro-
cessors for digital still camera applications. Both include a complete
analog front end with A/D conversion, combined with a program-
mable timing driver. The Precision Timing core allows adjustment
of high speed clocks with approximately 1 ns resolution.
The AD9848 is specified at pixel rates of 20 MHz, and the
AD9849 is specified at 30 MHz. The analog front end includes
black level clamping, CDS, PxGA, VGA, and a 10-bit or 12-bit A/D
converter. The timing driver provides the high speed CCD clock
drivers for RG and H1–H4. Operation is programmed using a
3-wire serial interface.
Packaged in a space saving 48-lead LQFP, the AD9848 and
AD9849 are specified over an operating temperature range of
–20
°C to +85°C.
PxGA is a registered trademark and Precision Timing is a trademark of Analog Devices, Inc.
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