MAX5186BEEI+ Maxim Integrated Products, MAX5186BEEI+ Datasheet

IC DAC 8BIT DUAL 40MHZ 28-QSOP

MAX5186BEEI+

Manufacturer Part Number
MAX5186BEEI+
Description
IC DAC 8BIT DUAL 40MHZ 28-QSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5186BEEI.pdf (14 pages)

Specifications of MAX5186BEEI+

Settling Time
25µs
Number Of Bits
8
Data Interface
Parallel
Number Of Converters
2
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-QSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power Dissipation (max)
-
The MAX5186 contains two 8-bit, simultaneous-update,
current-output digital-to-analog converters (DACs)
designed for superior performance in communications
systems requiring analog signal reconstruction with low
distortion and low-power operation. The MAX5189 pro-
vides equal specifications, with on-chip precision resis-
tors for voltage output operation. The MAX5186/
MAX5189 are designed for a 10pV-s glitch operation to
minimize unwanted spurious signal components at the
output. An on-board 1.2V bandgap circuit provides a
well-regulated, low-noise reference that can be dis-
abled for external reference operation.
The MAX5186/MAX5189 are designed to provide a high
level of signal integrity for the least amount of power dissi-
pation. Both DACs operate from a single supply voltage
of 2.7V to 3.3V. Additionally, these DACs have three
modes of operation: normal, low-power standby, and
complete shutdown, which provides the lowest possible
power dissipation with a 1µA (max) shutdown current. A
fast wake-up time (0.5µs) from standby mode to full DAC
operation allows power conservation by activating the
DACs only when required.
The MAX5186/MAX5189 are packaged in a 28-pin
QSOP and are specified for the extended (-40°C to
+85°C) temperature range. For higher resolution, dual
10-bit versions, refer to the MAX5180/MAX5183 data
sheet.
19-1581; Rev 4; 5/03
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.
Signal Reconstruction of I and Q
Transmit Signals
Digital Signal Processing
Arbitrary Waveform Generation (AWG)
Imaging Applications
________________________________________________________________ Maxim Integrated Products
General Description
Dual, 8-Bit, 40MHz, Current/Voltage,
Applications
Simultaneous-Output DACs
o 2.7V to 3.3V Single-Supply Operation
o Wide Spurious-Free Dynamic Range:
o Fully Differential Outputs for Each DAC
o ±0.5% FSR Gain Mismatch at f
o ±0.15° Phase Mismatch at f
o Low-Current Standby or Full Shutdown Modes
o Internal 1.2V, Low-Noise Bandgap Reference
o Small 28-Pin QSOP Package
MAX5186BEEI
MAX5189BEEI
70dB at f
TOP VIEW
PART
OUT
DACEN
OUT1N
OUT1P
CREF1
DGND
DGND
AGND
AV
N.C.
CLK
REN
= 2.2MHz
PD
CS
D0
DD
10
11
12
13
14
1
2
3
4
5
6
7
8
9
-40°C to +85°C
-40°C to +85°C
Ordering Information
TEMP RANGE
MAX5186
MAX5189
QSOP
Pin Configuration
OUT
OUT
= 2.2MHz
28
27
26
25
24
23
22
21
20
19
18
17
16
15
= 2.2MHz
CREF2
OUT2P
OUT2N
REFO
REFR
DGND
DV
D7
D6
D5
D4
D3
D2
D1
PIN-PACKAGE
DD
28 QSOP
28 QSOP
Features
1

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MAX5186BEEI+ Summary of contents

Page 1

... Signal Reconstruction of I and Q Transmit Signals Digital Signal Processing Arbitrary Waveform Generation (AWG) Imaging Applications ________________________________________________________________ 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. Simultaneous-Output DACs o 2.7V to 3.3V Single-Supply Operation ...

Page 2

Dual, 8-Bit, 40MHz, Current/Voltage, Simultaneous-Output DACs ABSOLUTE MAXIMUM RATINGS AGND, DGND ................................ -0. Digital Input to DGND.............................................. -0.3V to +6V OUT1P, OUT1N, OUT2P, OUT2N, CREF1, CREF2 to AGND .................................................. -0.3V to +6V ...

Page 3

Dual, 8-Bit, 40MHz, Current/Voltage, ELECTRICAL CHARACTERISTICS (continued) ( 3V, AGND = DGND = otherwise noted. ≥ +25°C guaranteed by production test, < +25°C guaranteed by design and characterization. Typical values are at T ...

Page 4

Dual, 8-Bit, 40MHz, Current/Voltage, Simultaneous-Output DACs ELECTRICAL CHARACTERISTICS (continued) ( 3V, AGND = DGND = otherwise noted. ≥ +25°C guaranteed by production test, < +25°C guaranteed by design and characterization. Typical values are ...

Page 5

Dual, 8-Bit, 40MHz, Current/Voltage, ( 3V, AGND = DGND = 0, 400Ω differential output STANDBY CURRENT vs. SUPPLY VOLTAGE 610 600 MAX5186 590 580 MAX5189 570 560 2.5 3.0 3.5 4.0 4.5 5.0 SUPPLY ...

Page 6

Dual, 8-Bit, 40MHz, Current/Voltage, Simultaneous-Output DACs ( 3V, AGND = DGND = 0, 400Ω differential output FFT PLOT, DAC1 (f = 40MHz, 2048-POINT DATA RECORD) CLK 2.2MHz OUT A = 0dBFS ...

Page 7

Dual, 8-Bit, 40MHz, Current/Voltage, PIN NAME 1 CREF1 Reference Bias Bypass, DAC1 2 OUT1P Positive Analog Output, DAC1. Current output for MAX5186; voltage output for MAX5189. 3 OUT1N Negative Analog Output, DAC1. Current output for MAX5186; voltage output for MAX5189. ...

Page 8

Dual, 8-Bit, 40MHz, Current/Voltage, Simultaneous-Output DACs Detailed Description The MAX5186/MAX5189 are dual, 8-bit digital-to-ana- log converters (DACs) capable of operating with clock speeds up to 40MHz. Each of these dual converters consists of separate input and DAC registers, followed by ...

Page 9

Dual, 8-Bit, 40MHz, Current/Voltage, REN 1.2V REF REFO REFR 9.6kΩ* CLK *INTERNAL 400Ω AND 9.6kΩ RESISTORS FOR MAX5189 ONLY. Figure 1. Functional Diagram Applications Information Static and Dynamic Performance Definitions Integral Nonlinearity (INL) Integral nonlinearity is the deviation of the ...

Page 10

Dual, 8-Bit, 40MHz, Current/Voltage, Simultaneous-Output DACs OPTIONAL EXTERNAL BUFFER FOR HEAVIER LOADS MAX4040 AGND V REF I = REF R SET *COMPENSATION CAPACITOR (C COMP Figure 2. Setting I with the Internal 1.2V Reference and the Control Amplifier FS AV ...

Page 11

Dual, 8-Bit, 40MHz, Current/Voltage, Table 1. Power-Down Mode Selection PD (POWER-DOWN SELECT Don’t care INPUT SAMPLE N FOR DAC INPUT SAMPLE FOR DAC 1 CLK UPDATES DAC 1 AND ...

Page 12

Dual, 8-Bit, 40MHz, Current/Voltage, Simultaneous-Output DACs Differential to Single-Ended Conversion The MAX4108 low-distortion, high-input bandwidth amplifier may be used to generate a voltage from the array current output of the MAX5186. The differential voltage across OUT1P (or OUT2P) and OUT1N ...

Page 13

Dual, 8-Bit, 40MHz, Current/Voltage, 3V DIGITAL SIGNAL PROCESSOR Figure 6. Using the MAX5186/MAX5189 for I/Q Signal Reconstruction Grounding and Power-Supply Decoupling Grounding and power-supply decoupling strongly influ- ence the MAX5186/MAX5189’s performance. Unwanted digital crosstalk may couple through the input, refer- ...

Page 14

... 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. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2003 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...

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