MAX5187BEEG+ Maxim Integrated Products, MAX5187BEEG+ Datasheet

IC DAC 8BIT 40MHZ 24-QSOP

MAX5187BEEG+

Manufacturer Part Number
MAX5187BEEG+
Description
IC DAC 8BIT 40MHZ 24-QSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5190BEEG.pdf (15 pages)

Specifications of MAX5187BEEG+

Settling Time
25µs
Number Of Bits
8
Data Interface
Parallel
Number Of Converters
1
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-QSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power Dissipation (max)
-
The MAX5187 is an 8-bit, current-output digital-to-ana-
log converter (DAC) designed for superior performance
in signal reconstruction or arbitrary waveform genera-
tion applications requiring analog signal reconstruction
with low distortion and low-power operation. The volt-
age-output MAX5190 provides equal specifications,
with on-chip precision resistors for voltage output oper-
ation. Both devices are designed for a 10pVs glitch
operation to minimize unwanted spurious signal com-
ponents at the output. An on-board +1.2V bandgap cir-
cuit provides a well-regulated, low-noise reference that
can be disabled for external reference operation.
The MAX5187/MAX5190 are designed to provide a high
level of signal integrity for the least amount of power
dissipation. They operate from a single supply of +2.7V
to +3.3V. Additionally, these DACs have three modes of
operation: normal, low-power standby, and full shut-
down, which provides the lowest possible power dissi-
pation with a 1µA (max) shutdown current. A fast
wake-up time (0.5µs) from standby mode to full DAC
operation allows for power conservation by activating
the DAC only when required.
The MAX5187/MAX5190 are packaged in a 24-pin
QSOP and are specified for the extended (-40°C to
+85°C) temperature range. For higher resolution, 10-bit
versions, see the MAX5181/MAX5184 data sheet.
19-1582; Rev 2; 12/01
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
Digital Signal Processing
Arbitrary Waveform Generation (AWG)
Imaging Applications
8-Bit, 40MHz, Current/Voltage-Output DACs
________________________________________________________________ Maxim Integrated Products
General Description
Applications
o +2.7V to +3.3V Single-Supply Operation
o Wide Spurious-Free Dynamic Range:
o Fully Differential Output
o Low-Current Standby or Full Shutdown Modes
o Internal +1.2V Low-Noise Bandgap Reference
o Small 24-Pin QSOP Package
MAX5187BEEG
MAX5190BEEG
TOP VIEW
70dB at f
PART
DACEN
OUT
DGND
DGND
AGND
OUTP
OUTN
CREF
AV
CLK
REN
PD
CS
DD
= 2.2MHz
10
11
12
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
1
2
3
4
5
6
7
8
9
Ordering Information
MAX5187
MAX5190
QSOP
Pin Configuration
24
23
22
21
20
19
18
17
16
15
14
13
PIN-PACKAGE
24 QSOP
24 QSOP
REFO
REFR
DGND
DV
D7
D6
D5
D4
D3
D2
D1
D0
DD
Features
1

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MAX5187BEEG+ Summary of contents

Page 1

... MAX5181/MAX5184 data sheet. Signal Reconstruction 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. o +2.7V to +3.3V Single-Supply Operation o Wide Spurious-Free Dynamic Range: ...

Page 2

Current/Voltage-Output DACs ABSOLUTE MAXIMUM RATINGS AGND, DGND .................................-0. Digital Input to DGND...............................................-0.3V to +6V OUTP, OUTN, CREF to AGND .................................-0. AGND ..........................................................-0.3V to +6V REF AGND ...

Page 3

Current/Voltage-Output DACs ELECTRICAL CHARACTERISTICS (continued) ( +3V ±10%, AGND = DGND = unless otherwise noted. Typical values are at T PARAMETER SYMBOL REFERENCE Output Voltage Range V Output Voltage Temperature TCV ...

Page 4

Current/Voltage-Output DACs ( +3V, AGND = DGND = 0, 400Ω differential output INTEGRAL NONLINEARITY vs. INPUT CODE 0.150 0.125 0.100 0.075 0.050 0.025 0 -0.025 -0.050 128 160 ...

Page 5

Current/Voltage-Output DACs ( +3V, AGND = DGND = 0, 400Ω differential output SHUTDOWN CURRENT vs. TEMPERATURE 0.13 0.11 0.09 MAX5190 0.07 MAX5187 0.05 0.03 -40 - TEMPERATURE (°C) OUTPUT ...

Page 6

Current/Voltage-Output DACs ( +3V, AGND = DGND = 0, 400Ω differential output SPURIOUS-FREE DYNAMIC RANGE vs. CLOCK FREQUENCY 100 ...

Page 7

Current/Voltage-Output DACs PIN NAME 1 CREF Reference Bias Bypass 2 OUTP Positive Analog Output. Current output for MAX5187; voltage output for MAX5190. 3 OUTN Negative Analog Output. Current output for MAX5187; voltage output for MAX5190. 4 AGND Analog ...

Page 8

Current/Voltage-Output DACs 1.2V REF REFO REFR 9.6k* CLK *INTERNAL 400Ω AND 9.6kΩ RESISTORS FOR MAX5190 ONLY. Figure 1. Functional Diagram Detailed Description The MAX5187/MAX5190 are 8-bit DACs capable of operating with clock speeds up to 40MHz. Each con- ...

Page 9

Current/Voltage-Output DACs OPTIONAL EXTERNAL BUFFER FOR HEAVIER LOADS MAX4040 AGND V REF I = REF R SET *COMPENSATION CAPACITOR (C = 100nF) COMP Figure 2. Setting I with the Internal +1.2V Reference and the Control Amplifier FS AV ...

Page 10

Current/Voltage-Output DACs External Reference To disable the MAX5187/MAX5190’s internal reference, connect REN temperature-stable external ref- DD erence may now be applied to drive the REFO pin to set the full-scale output (Figure 3). Choose ...

Page 11

Current/Voltage-Output DACs The MAX5187 output is designed to supply full-scale output currents of 1mA into 400Ω loads in parallel with a capacitive load of 5pF. The MAX5190 features inte- grated 400Ω resistors that restore the array current to ...

Page 12

Current/Voltage-Output DACs +3V +3V 10µF 0.1µF AV CLK D0–D7 REFO 0.1µF REFR R ** SET *400Ω RESISTORS INTERNAL TO MAX5190 ONLY. **MAX5187 ONLY Figure 6. Differential to Single-Ended Conversion Using a Low-Distortion Amplifier Gain error (Figure 5d) is ...

Page 13

Current/Voltage-Output DACs +3V 8 DIGITAL SIGNAL PROCESSOR 8 Figure 7. Using the MAX5187/MAX5190 for I/Q Signal Reconstruction In a typical QAM application (Figure 7), the modulation occurs in the digital domain, and two DACs such as the MAX5187/MAX5190 ...

Page 14

Current/Voltage-Output DACs COUNTER ADR CLOCK GENERATOR *MAX5187 ONLY Figure 8a. Traditional Arbitrary Waveform Generation (AWG) CLOCK GENERATOR A D PHASE D PIR ACCUMULATOR E R PHASE INCREMENT ACCUMULATOR REGISTER FEEDBACK LOOP FOR DATA BITS *MAX5187 ONLY Figure 8b. ...

Page 15

... 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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 15 © 2001 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...

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