MAX555CCB+D Maxim Integrated, MAX555CCB+D Datasheet

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MAX555CCB+D

Manufacturer Part Number
MAX555CCB+D
Description
Digital to Analog Converters - DAC 300Msps 12-Bit DAC with Complementary Voltage Outputs
Manufacturer
Maxim Integrated
Datasheet
1.MAX555CCBTD.pdf (12 pages)

Specifications of MAX555CCB+D

Number Of Converters
1
Conversion Rate
300 MSPs
Resolution
12 bit
Interface Type
Parallel
The MAX555 is an advanced, monolithic, 12-bit digital-
to-analog converter (DAC) with complementary 50Ω
outputs. Fabricated using an oxide-isolated bipolar
process, the MAX555 is designed for signal-reconstruc-
tion applications at an output update rate of 300Msps.
It incorporates an analog multiplying function with
10MHz useable input bandwidth. The voltage-output
DAC uses precision laser trimming to achieve 12-bit
accuracy with ±1/2LSB integral and differential linearity
(±0.012% FS). Absolute gain error is a low 1% of full
scale. Full-scale transitions occur in less than 0.5ns.
Internal registers and a unique decoder reduce glitch-
ing and allow the MAX555 to achieve precise RF perfor-
mance with over 73dBc of spurious-free dynamic range
at 50Msps with f
with f
The MAX555 operates from a single -5.2V supply and
dissipates 980mW (nominal). It comes in a 64-pin TQFP
package with exposed paddle for enhanced thermal
dissipation.
________________________Applications
19-0297; Rev 3; 6/02
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.
___________________________________________________Simplified Block Diagram
OUT
Direct Digital Synthesis
Arbitrary Waveform Generation
HDTV/High-Resolution Graphics
Instrumentation
Communications Local Oscillators
Automated Tester Applications
= 18.6MHz.
12-BIT
LINES
ECL
OUT
________________________________________________________________ Maxim Integrated Products
= 3.1MHz, or 62dBc at 300Msps
General Description
CLK
BYPASS
CLK
DECODED
Complementary Voltage Outputs
LINES
BIT
MAX555
300Msps, 12-Bit DAC with
o 12-Bit Resolution
o ±1/2LSB Integral and Differential Nonlinearity
o Capable of 300Msps (min) Update Rate
o Complementary 50Ω Outputs
o Multiplying Reference Input
o Low Glitch Energy (5.6pVs)
o Single -5.2V Power Supply
o On-Chip Data Registers
o ECL-Compatible Inputs with Differential Clock
____________________________Features
*EP = Exposed pad.
Pin Configuration appears at end of data sheet.
MAX555CCB
AV
EE
PART
-20mA
TEMP RANGE
0°C to +70°C
50Ω
Ordering Information
50Ω
800Ω
800Ω
PIN-PACKAGE
64 TQFP-EP*
ROFFSET
REF
VOUT
LGND
VOUT
1

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MAX555CCB+D Summary of contents

Page 1

... Block Diagram CLK CLK 12-BIT ECL LINES BYPASS ________________________________________________________________ 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. 300Msps, 12-Bit DAC with Complementary Voltage Outputs ____________________________Features o 12-Bit Resolution o ±1/2LSB Integral and Differential Nonlinearity o Capable of 300Msps (min) Update Rate o Complementary 50Ω ...

Page 2

DAC with Complementary Voltage Outputs ABSOLUTE MAXIMUM RATINGS Analog Supply Voltage (AV ) .................................-7V to +0.3V EE Digital Supply Voltage (DV ) ..................................-7V to +0.3V EE Digital Input Voltage (D0–D11) ...................................-5. Reference Input Voltage (V ) ...

Page 3

ELECTRICAL CHARACTERISTICS (continued) ( -5.2V 1.000V REF PARAMETER SYMBOL DIGITAL INPUTS Input Current, Logic High Input Current, Logic Low Logic "1" Voltage V Logic "0" Voltage DIGITAL TIMING Data Update Rate Data-to-Clock ...

Page 4

DAC with Complementary Voltage Outputs __________________________________________Typical Operating Characteristics ( -5.2V 0.75V REF A SPURIOUS-FREE DYNAMIC RANGE vs 50MHz) OUT CLK ...

Page 5

PIN NAME 1, 14, 16–19, 27, 28, 29, 31–38, 48, AGND 49 54, 60 DGND D10 D11 9, 10, 11, 13, 39, N.C. 46 LBIAS ...

Page 6

DAC with Complementary Voltage Outputs DIGITAL SECTION LSB (D0) MASTER REGISTER 12 INPUTS 4 MSB (D11) DECODER CLK 2 CLK BYPASS REF/2 400Ω 400Ω REF (1V FS) 800Ω ROFFSET Figure 1. Functional Diagram weighted currents), which are applied ...

Page 7

Table 1. Output Coding VOUT DIGITAL CODE (D11–D0) (V) 000000000000 -0.999756 000000000001 -0.999512 011111111111 -0.500000 100000000000 -0.499756 111111111111 0 The DAC’s control amplifier has a typical open-loop volt- age gain of 85dB, and its gain-magnitude bandwidth is flat up to ...

Page 8

DAC with Complementary Voltage Outputs possible latchup. Appropriate decoupling is needed to prevent digital-section current spikes from affecting the analog section (Figure 4 recommended that a multilayer PC board be used, containing a solid ground and ...

Page 9

OUTPUT SPECTRUM (f = 5MHz 50MHz) OUT CLK -1 -11 -21 -31 -41 -51 -61 -71 -81 2.3MHz/div OUTPUT SPECTRUM (f = 9.3MHz 150MHz) OUT CLK -1 -11 -21 -31 -41 -51 -61 -71 -81 7MHz/div ...

Page 10

DAC with Complementary Voltage Outputs V REF 1.000V 0.1µF I REF 1.25mA 50Ω LINES 21, 22 REF REF/2 8 D11 (MSB) -2V 5 D10 - - - - -2V 61 ...

Page 11

Configuration TOP VIEW AGND 1 DGND D10 5 DGND D11 8 N.C. 9 N.C. 10 N.C. 11 LBIAS 12 N.C. 13 AGND 14 ALTCOMPC 15 AGND 16 *Exposed pad on ...

Page 12

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2002 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...

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