MAX5891EGK MAXIM [Maxim Integrated Products], MAX5891EGK Datasheet

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MAX5891EGK

Manufacturer Part Number
MAX5891EGK
Description
16-Bit, 600Msps, High-Dynamic-Performance DAC with LVDS Inputs
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet

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MAX5891EGK
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The MAX5891 advanced 16-bit, 600Msps, digital-to-
analog converter (DAC) meets the demanding perfor-
mance requirements of signal synthesis applications
found in wireless base stations and other communica-
tions applications. Operating from +3.3V and +1.8V
supplies, the MAX5891 DAC supports update rates of
600Msps using high-speed LVDS inputs while consum-
ing only 298mW of power and offers exceptional
dynamic performance such as 80dBc spurious-free
dynamic range (SFDR) at f
The MAX5891 utilizes a current-steering architecture that
supports a 2mA to 20mA full-scale output current range,
and produces -2dBm to -22dBm full-scale output signal
levels with a double-terminated 50Ω load. The MAX5891
features an integrated +1.2V bandgap reference and
control amplifier to ensure high-accuracy and low-noise
performance. A separate reference input (REFIO) allows
for the use of an external reference source for optimum
flexibility and improved gain accuracy.
The MAX5891 digital inputs accept LVDS voltage lev-
els, and the flexible clock input can be driven differen-
tially or single-ended, AC- or DC-coupled. The
MAX5891 is available in a 68-pin QFN package with an
exposed paddle (EP) and is specified for the extended
(-40°C to +85°C) temperature range.
Refer to the MAX5890* and MAX5889* data sheets for
pin-compatible 14-bit and 12-bit versions of the
MAX5891.
19-3542; Rev 0; 2/05
*Future product—contact factory for availability.
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.
MAX5889*
MAX5890*
MAX5891
PART
Base Stations: Single/Multicarrier UMTS,
CDMA, GSM
Communications: Fixed Broadband Wireless
Access, Point-to-Point Microwave
Direct Digital Synthesis (DDS)
Cable Modem Termination Systems (CMTS)
Automated Test Equipment (ATE)
Instrumentation
16-Bit, 600Msps, High-Dynamic-Performance
RESOLUTION
(BITS)
12
14
16
________________________________________________________________ Maxim Integrated Products
General Description
OUT
UPDATE RATE
(Msps)
= 30MHz.
Selector Guide
600
600
600
Applications
LOGIC INPUT
LVDS
LVDS
LVDS
♦ 600Msps Output Update Rate
♦ Low Noise Spectral Density: -163dBFS/Hz at
♦ Excellent SFDR and IMD Performance
♦ ACLR = 73dB at f
♦ 2mA to 20mA Full-Scale Output Current
♦ LVDS-Compatible Digital Inputs
♦ On-Chip +1.2V Bandgap Reference
♦ Low 298mW Power Dissipation at 600Msps
♦ Compact (10mm x 10mm) QFN-EP Package
♦ Evaluation Kit Available (MAX5891EVKIT)
**EP = Exposed paddle.
Pin Configuration appears at end of data sheet.
MAX5891EGK
LVDS DATA
DAC with LVDS Inputs
f
D0–D15
INPUTS
OUT
PART
SFDR = 80dBc at f
SFDR = 69dBc at f
IMD = -94dBc at f
IMD = -77dBc at f
= 36MHz
CLKP
CLKN
-40°C to +85°C
TEMP RANGE
INTERFACE
CLK
OUT
Ordering Information
OUT
OUT
Functional Diagram
OUT
OUT
= 122.88MHz
= 30MHz
= 130MHz
= 30MHz (to Nyquist)
= 130MHz (to Nyquist)
PIN-PACKAGE
68 QFN-EP**
REFERENCE
16-BIT DAC
POWER
DOWN
+1.2V
600MHz
Features
MAX5891
G6800-4
DACREF
CODE
FSADJ
OUTN
REFIO
OUTP
PKG
PD
1

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MAX5891EGK Summary of contents

Page 1

... Full-Scale Output Current ♦ LVDS-Compatible Digital Inputs ♦ On-Chip +1.2V Bandgap Reference ♦ Low 298mW Power Dissipation at 600Msps ♦ Compact (10mm x 10mm) QFN-EP Package ♦ Evaluation Kit Available (MAX5891EVKIT) PART TEMP RANGE MAX5891EGK -40°C to +85°C **EP = Exposed paddle. D0–D15 LVDS DATA INPUTS CLKP CLKN ...

Page 2

High-Dynamic-Performance DAC with LVDS Inputs ABSOLUTE MAXIMUM RATINGS AGND, DGND, DACREF, DD1.8 DD1.8 and CGND.......................................................-0.3V to +2.16V AGND, DGND, DD3.3 DD3.3 CLK DACREF, and CGND.........................................-0.3V to +3.9V REFIO, ...

Page 3

High-Dynamic-Performance ELECTRICAL CHARACTERISTICS (continued) ( +3.3V, AV DD3.3 DD3.3 CLK minated, transformer-coupled output, I guaranteed by production testing. Specifications +25°C.) A PARAMETER SYMBOL Spurious-Free Dynamic Range to Nyquist Two-Tone ...

Page 4

High-Dynamic-Performance DAC with LVDS Inputs ELECTRICAL CHARACTERISTICS (continued) ( +3.3V, AV DD3.3 DD3.3 CLK minated, transformer-coupled output, I OUT guaranteed by production testing. Specifications +25°C.) A PARAMETER SYMBOL ANALOG ...

Page 5

High-Dynamic-Performance ELECTRICAL CHARACTERISTICS (continued) ( +3.3V, AV DD3.3 DD3.3 CLK minated, transformer-coupled output, I guaranteed by production testing. Specifications +25°C.) A PARAMETER SYMBOL Minimum Common-Mode Voltage Maximum Common-Mode Voltage ...

Page 6

High-Dynamic-Performance DAC with LVDS Inputs ( +3.3V, AV DD3.3 DD3.3 CLK minated, transformer-coupled output, I OUT SPURIOUS-FREE DYNAMIC RANGE vs. OUTPUT FREQUENCY (f = 100MHz) CLK 100 0dBFS -6dBFS -12dBFS ...

Page 7

High-Dynamic-Performance ( +3.3V, AV DD3.3 DD3.3 CLK minated, transformer-coupled output, I TWO-TONE INTERMODULATION DISTORTION vs. OUTPUT FREQUENCY (f = 500MHz, 1MHz CARRRIER SPACING) CLK -60 -70 -6.5dBFS -80 -12dBFS -90 -100 -110 -120 ...

Page 8

High-Dynamic-Performance DAC with LVDS Inputs PIN NAME D4N, D3N, D2N D1N, D0N, D15N, 46, 48, 50, 52, D14N, D13N, D12N, 54, 56, 58, 60, D11N, D10N, D9N, 63, 65, 67 D8N, D7N, D6N, ...

Page 9

High-Dynamic-Performance Detailed Description The MAX5891 high-performance, 16-bit, current-steer- ing DAC (see the Functional Diagram) operates with DAC update rates up to 600Msps. The current-steering array generates differential full-scale currents in the 2mA to 20mA range. An internal current-switching ...

Page 10

High-Dynamic-Performance DAC with LVDS Inputs AV DD3.3 CURRENT SOURCES CURRENT SWITCHES Figure 2. Simplified Analog Output Structure Clock Inputs (CLKP, CLKN) To achieve the best possible jitter performance, the MAX5891 features flexible differential clock inputs (CLKP, CLKN) that ...

Page 11

High-Dynamic-Performance Applications Information To achieve the best possible jitter performance, the MAX5891 features flexible differential clock inputs (CLKP, CLKN) that operate from a separate clock power supply (AV ). Use a low-jitter clock to reduce CLK the DAC’s ...

Page 12

High-Dynamic-Performance DAC with LVDS Inputs OUTP D0–D15 LVDS MAX5891 DATA INPUTS OUTN AGND Figure 6. Differential Output Configuration Grounding, Bypassing, and Power-Supply Grounding and power-supply decoupling strongly influ- ence the MAX5891 performance. Unwanted digital crosstalk coupling through the ...

Page 13

High-Dynamic-Performance large ground planes in the PC board design to ensure the highest dynamic performance of the DAC. Connect the MAX5891 exposed paddle to the common connec- tion point of DGND, AGND, and CGND. Vias connect the top ...

Page 14

High-Dynamic-Performance DAC with LVDS Inputs D4N 1 D3P 2 D3N 3 D2P 4 D2N 5 D1P 6 D1N 7 D0P 8 ...

Page 15

High-Dynamic-Performance (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied ...

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