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參數(shù)資料
| 型號： | AD9777EB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 16-Bit, 160 MSPS 2X/4X/8X Interpolating Dual TxDAC+ D/A Converter |
| 中文描述： | 16位，160 MSPS的2X/4X/8X TxDAC系列插雙D / A轉換 |
| 文件頁數(shù)： | 1/48頁 |
| 文件大?。?/td> | 6021K |
| 代理商： | AD9777EB |
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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
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
www.analog.com
Analog Devices, Inc., 2002
AD9777
*
16-Bit, 160 MSPS 2 /4 /8
Interpolating Dual TxDAC+
D/A Converter
FEATURES
16-Bit Resolution, 160/400 MSPS Input/Output Data Rate
Selectable 2 /4 /8 Interpolating Filter
Programmable Channel Gain and Offset Adjustment
f
S
/4, f
S
/8 Digital Quadrature Modulation
Capability
Direct IF Transmission Mode for 70 MHz + IFs
Enables Image Rejection Architecture
Fully Compatible SPI Port
Excellent AC Performance
SFDR –73 dBc @ 2 MHz–35 MHz
WCDMA ACPR 71 dB @ IF = 71 MHz
Internal PLL Clock Multiplier
Selectable Internal Clock Divider
Versatile Clock Input
Differential/Single-Ended Sine Wave or
TTL/CMOS/LVPECL Compatible
Versatile Input Data Interface
Two’s Complement/Straight Binary Data Coding
Dual-Port or Single-Port Interleaved Input Data
Single 3.3 V Supply Operation
Power Dissipation: Typical 1.2 W @ 3.3 V
On-Chip 1.2 V Reference
80-Lead Thermally Enhanced TQFP Package
FUNCTIONAL BLOCK DIAGRAM
DIFFERENTIAL
COS
SIN
BAND
FILTER 1
16
DUAL DAC
MUX
NONII OR
INTDATA
WRITE
SELECT
CLOCK OUT
HALF-BAND FILTERS ALSO CAN BE
*
GAIN
OFDAC
f
DAC
/2, 4, 8
SIN
COS
REGISTERS
I
V
(
f
DAC
)
PHAAND VCO
PRESCALER
PLL CLOCK MULTIPLIER AND CLOCK DIVIDER
16
16
/2
16
ASDATA
16
16
16
16
16
16
MUX
CONTROL
/2
/2
I
LATCH
LAQ
/2
BAND
FILTER 2
BAND
FILTER 3
*
*
*
AD9777
SPI INTERFACE AND
CONTROL REGISTERS
FILTER
BMUX
IDAC
IDAC
I
OUT
GENERAL DESCRIPTION
The AD9777 is the 16-bit member of the AD977x pin compatible,
high performance, programmable 2
×
/4
×
/8
×
interpolating TxDAC+
family. The AD977x family features a serial port interface (SPI)
providing a high level of programmability, thus allowing for
enhanced system level options. These options include: selectable
2
×
/4
×
/8
×
interpolation filters; f
S
/2, f
S
/4, or f
S
/8 digital quadrature
modulation with image rejection; a direct IF mode; programmable
channel gain and offset control; programmable internal clock
divider; straight binary or two’s complement data interface; and
a single-port or dual-port data interface.
The selectable 2
×
/4
×
/8
×
interpolation filters simplify the require-
ments of the reconstruction filters while simultaneously enhancing
the TxDAC+ family’s pass-band noise/distortion performance.
The independent channel gain and offset adjust registers allow
the user to calibrate LO feedthrough and sideband suppression
(continued on page 2)
APPLICATIONS
Communications
Analog Quadrature Modulation Architectures
3G, Multicarrier GSM, TDMA, CDMA Systems
Broadband Wireless, Point-to-Point Microwave Radios
Instrumentation/ATE
TxDAC+ is a registered trademark of Analog Devices, Inc.
*
Protected by U.S. Patent Numbers, 5568145, 5689257, and 5703519. Other patents pending.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD9777-EB | 制造商:Analog Devices 功能描述:Evaluation Board For DAC, 16-Bit, 160MSPS 2/4/8 Interpolating Dual TxDAC+ D/A Converter 制造商:Analog Devices 功能描述:16BIT 160 MSPS DUAL TXDAC+ D/A CONVERTER - Bulk 制造商:Rochester Electronics LLC 功能描述:16BIT 160 MSPS DUAL TXDAC+ D/A CONVERTER - Bulk |
| AD9777-EBZ | 功能描述:BOARD EVALUATION FOR AD9777 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 數(shù)模轉換器 (DAC) 系列:TxDAC+® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- DAC 的數(shù)量:4 位數(shù):12 采樣率（每秒）:- 數(shù)據接口:串行，SPI? 設置時間:3µs DAC 型:電流/電壓 工作溫度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581 |
| AD9778 | 制造商:AD 制造商全稱:Analog Devices 功能描述:400 MHz to 6 GHz Broadband Quadrature Modulator |
| AD9778A | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual, 12-/14-/16-Bit,1 GSPS Digital-to-Analog Converters |
| AD9778ABSVZ | 功能描述:DAC 14BIT 1.0GSPS 100-TQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據采集 - 數(shù)模轉換器 系列:- 標準包裝:1 系列:- 設置時間:4.5µs 位數(shù):12 數(shù)據接口:串行，SPI? 轉換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
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