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參數(shù)資料
| 型號： | MAX5895EGK |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | DAC |
| 英文描述： | 16-Bit, 500Msps Interpolating and Modulating Dual DAC with CMOS Inputs |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.011 us SETTLING TIME, 16-BIT DAC, QCC68 |
| 封裝： | 10 X 10 MM, MO-220, QFN-68 |
| 文件頁數(shù)： | 1/32頁 |
| 文件大?。?/td> | 807K |
| 代理商： | MAX5895EGK |
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General Description
The MAX5895 programmable interpolating, modulating,
500Msps, dual digital-to-analog converter (DAC) offers
superior dynamic performance and is optimized for
high-performance, wideband single- and multicarrier
transmit applications. The device integrates a selectable
2x/4x/8x interpolating filter, a digital quadrature modula-
tor, and dual 16-bit high-speed DACs on a single IC. At
30MHz output frequency and 500Msps update rate, the
in-band SFDR is 88dBc while consuming 1.1W. The
device also delivers 71dB ACLR for four-carrier WCDMA
at a 61.44MHz output frequency.
The selectable interpolating filters allow lower input data
rates while taking advantage of the high DAC update
rates. These linear-phase interpolation filters ease
reconstruction filter requirements and enhance the
passband dynamic performance. Individual offset and
gain programmability allow the user to calibrate out local
oscillator (LO) feedthrough and sideband suppression
errors generated by analog quadrature modulators.
The MAX5895 features a f
IM
/ 4 digital image-reject
modulator. This modulator generates a quadrature-mod-
ulated IF signal that can be presented to an analog I/Q
modulator to complete the upconversion process. A
second digital modulation mode allows the signal to be
frequency-translated with image pairs at f
IM
/ 2 or f
IM
/ 4.
The MAX5895 features a standard 1.8V CMOS, 3.3V tol-
erant data input bus for easy interface. A 3.3V SPI port
is provided for mode configuration. The programmable
modes include the selection of 2x/4x/8x interpolating fil-
ters, f
IM
/ 2, f
IM
/ 4 or no digital quadrature modulation
with image rejection, channel gain and offset adjustment,
and offset binary or two’s complement data interface.
Pin-compatible 12- and 14-bit devices are also available.
Refer to the MAX5894** data sheet for the 14-bit version
and the MAX5893 data sheet for the 12-bit version.
Applications
Base Stations: 3G Multicarrier UMTS, CDMA, and GSM
Broadband Wireless Transmitters
Broadband Cable Infrastructure
Instrumentation and Automatic Test Equipment (ATE)
Analog Quadrature Modulation Architectures
Features
71dB ACLR at f
OUT
= 61.44MHz (Four-Carrier
WCDMA)
Meets Multicarrier UMTS, cdma2000
, GSM
Spectral Masks (f
OUT
= 122MHz)
Noise Spectral Density = -158dBFS/Hz at
f
OUT
= 16MHz
92dBc SFDR at Low-IF Frequency (10MHz)
90dBc SFDR at High-IF Frequency (50MHz)
Low Power: 511mW (f
CLK
= 100MHz)
User Programmable
Selectable 2x, 4x, or 8x Interpolating Filters
<0.01dB Passband Ripple
>99dB Stopband Rejection
Selectable Real or Complex Modulator Operation
Selectable Modulator LO Frequency: OFF, f
IM
/ 2,
or f
IM
/ 4
Selectable Output Filter: Lowpass or Highpass
Channel Gain and Offset Adjustment
EV Kit Available (Order the MAX5895EVKIT)
M
16-Bit, 500Msps Interpolating and Modulating
Dual DAC with CMOS Inputs
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
PART
RESOLUTION
(BITS)
DAC UPDATE
RATE (Msps)
INPUT
LOGIC
MAX5893
MAX5894**
MAX5895
**
Future product—contact factory for availability.
12
14
16
500
500
500
CMOS
CMOS
CMOS
PART
TEMP RANGE
PIN-PACKAGE
CODE
MAX5895EGK
-40°C to +85°C
68 QFN-EP*
(10mm x 10mm)
G6800-4
Selector Guide
Ordering Information
D
A
DAC
DATA
PORT A
DATA
PORT B
DATACLK
OUTI
OUTQ
M
2
I
F
1
I
F
DAC
Simplified Diagram
19-3545; Rev 0; 2/05
Pin Configuration appears at end of data sheet.
SPI is a trademark of Motorola, Inc.
cdma2000 is a registered trademark of the Telecommunications
Industry Association.
*
EP = Exposed paddle.
EVALUATION KIT
AVAILABLE
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5895EGK+D | 功能描述:數(shù)模轉換器- DAC 16-Bit 2Ch 500Msps DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5895EGK+TD | 功能描述:數(shù)模轉換器- DAC 16-Bit 2Ch 500Msps DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5895EGK-D | 功能描述:數(shù)模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5895EGK-TD | 功能描述:數(shù)模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5895EVCMOD2 | 功能描述:數(shù)模轉換器- DAC Evaluation Kit for the MAX5893/MAX5894/MAX5895 RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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