參數(shù)資料
型號(hào)： MAX5856
廠商： Maxim Integrated Products, Inc.
英文描述： Dual 8-Bit, 300Msps DAC with 4x/2x/1x Interpolation Filters and PLL
中文描述： 雙8位，300Msps的4x/2x/1x插值濾波器和鎖相環(huán)援
文件頁(yè)數(shù)： 1/23頁(yè)
文件大?。?/td> 781K
代理商： MAX5856
General Description
The MAX5856A dual, 8-bit, 300Msps digital-to-analog
converter (DAC) provides superior dynamic performance
in wideband communication systems. The MAX5856A
integrates two 8-bit DAC cores, 4x/2x/1x programmable
digital interpolation filters, phase-lock loop (PLL) clock
multiplier, and a 1.24V reference. The MAX5856A sup-
ports single-ended and differential modes of operation.
The MAX5856A dynamic performance is maintained over
the entire power-supply operating range of 2.7V to 3.3V.
The analog outputs support a compliance voltage of
-1.0V to +1.25V.
The 4x/2x/1x programmable interpolation filters feature
excellent passband distortion and noise performance.
Interpolating filters minimize the design complexity of ana-
log reconstruction filters while lowering the data bus and
the clock speeds of the digital interface. The PLL multiplier
generates all internal synchronized high-speed clock sig-
nals for interpolating filter operation and DAC core conver-
sion. The internal PLL helps minimize system complexity
and lower cost. To reduce the I/O pin count, the DAC can
also operate in interleave data mode. This allows the
MAX5856A to be updated on a single 8-bit bus.
The MAX5856A features digital control of channel gain
matching to within ±0.4dB in sixteen 0.05dB steps.
Channel matching improves sideband suppression in
analog quadrature modulation applications. The on-chip
1.24V bandgap reference includes a control amplifier
that allows external full-scale adjustments of both chan-
nels through a single resistor. The internal reference can
be disabled and an external reference may be applied
for high-accuracy applications.
The MAX5856A features full-scale current outputs of
2mA to 20mA and operates from a 2.7V to 3.3V single
supply. The DAC supports three modes of power-control
operation: normal, low-power standby, and complete
power-down. In power-down mode, the operating cur-
rent is reduced to 1μA.
The MAX5856A is packaged in a 48-pin TQFP with
exposed paddle (EP) for enhanced thermal dissipation
and is specified for the extended (-40°C to +85°C) opera-
ting temperature range.
Applications
Communications
SATCOM, LMDS, MMDS, HFC, DSL, WLAN,
Point-to-Point Microwave Links
Wireless Base Stations
Direct Digital Synthesis
Instrumentation/ATE
Features
o
8-Bit Resolution, Dual DAC
o
300Msps Update Rate
o
Integrated 4x/2x/1x Interpolating Filters
o
Internal PLL Multiplier
o
2.7V to 3.3V Single Supply
o
Full Output Swing and Dynamic Performance at
2.7V Supply
o
Superior Dynamic Performance: 68dBc SFDR at
f
OUT
= 20MHz
o
Programmable Channel Gain Matching
o
Integrated 1.24V Low-Noise Bandgap Reference
o
Single-Resistor Gain Control
o
Interleave Data Mode
o
Differential Clock Input Modes
o
EV Kit Available—MAX5858AEVKIT
M
Dual 8-Bit, 300Msps DAC with 4x/2x/1x
Interpolation Filters and PLL
________________________________________________________________
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
TQFP-EP
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
13 14 15 16 17 18 19 20 21 22 23 24
D
D
D
D
D
D
D
48 47 46 45 44 43
EP
42 41 40 39 38 37
D
C
I
D
D
D
D
D
D
A
D
O
O
A
O
O
A
D
R
N
N
DA7/PD
DA6/DACEN
DA5/F2EN
DA4/F1EN
DA3/G3
DGND
DV
DD
DA2/G2
DA1/G1
DA0/G0
N.C.
N.C.
REF0
REN
PLLF
PGND
PV
DD
CLKXN
CLKXP
PLLEN
LOCK
CW
N.C.
N.C.
NOTE:
EXPOSED PADDLE CONNECTED TO GND.
MAX5856A
TOP VIEW
Pin Configuration
Ordering Information
19-3019; Rev 0; 10/03
EVALUATION KIT
AVAILABLE
PART
TEMP RANGE
-40
°
C to +85
°
C
PIN-PACKAGE
48 TQFP-EP*
MAX5856AECM
*
EP = Exposed paddle.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5856AECM+D 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 2Ch 300Msps DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5856AECM+TD 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 2Ch 300Msps DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5856AECM-D 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5856AECM-TD 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5858AECM 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
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