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| 型號(hào)： | AD9775BSV |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | 14-Bit, 160 MSPS 2X/4X/8X Interpolating Dual TxDAC+ D/A Converter |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.011 us SETTLING TIME, 14-BIT DAC, PQFP80 |
| 封裝： | PLASTIC, MO-026-ADD-HD, TQFP-80 |
| 文件頁數(shù)： | 1/48頁 |
| 文件大?。?/td> | 6054K |
| 代理商： | AD9775BSV |
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REV. 0
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
AD9775
*
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
14-Bit, 160 MSPS 2 /4 /8
Interpolating Dual TxDAC+
D/A Converter
FUNCTIONAL BLOCK DIAGRAM
DIFFERENTIAL
COS
SIN
FHALF-
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
FHALF-
FHALF-
*
*
*
AD9775
SPI INTERFACE AND
CONTROL REGISTERS
FILTER
BMUX
IDAC
IDAC
I
OUT
FEATURES
14-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 –71 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
GENERAL DESCRIPTION
The AD9775 is the 14-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: select-
able 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 bu U.S. Patent Numbers 5568145, 5689257, and 5703519. Other Patents pending.
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| AD9777BSV | 16-Bit, 160 MSPS 2X/4X/8X Interpolating Dual TxDAC+ D/A Converter |
| AD9777EB | 16-Bit, 160 MSPS 2X/4X/8X Interpolating Dual TxDAC+ D/A Converter |
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|---|---|
| AD9775BSVRL | 制造商:Analog Devices 功能描述:DAC 2-CH R-2R 14-bit 80-Pin TQFP EP T/R |
| AD9775BSVZ | 功能描述:IC DAC 14BIT DUAL 160MSPS 80TQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:TxDAC+® 標(biāo)準(zhǔn)包裝:1 系列:- 設(shè)置時(shí)間:4.5µs 位數(shù):12 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)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(yīng)商設(shè)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 |
| AD9775BSVZRL | 功能描述:IC DAC 14BIT DUAL 160MSPS 80TQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:TxDAC+® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 設(shè)置時(shí)間:1µs 位數(shù):8 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:8 電壓電源:雙 ± 功率耗散（最大）:941mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC W 包裝:帶卷 (TR) 輸出數(shù)目和類型:8 電壓，單極 采樣率（每秒）:* |
| AD9775EB | 制造商:AD 制造商全稱:Analog Devices 功能描述:14-Bit, 160 MSPS 2X/4X/8X Interpolating Dual TxDAC+ D/A Converter |
| AD9775-EB | 制造商:Analog Devices 功能描述:EVAL BOARD - Bulk |
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