Maxim MAX5184BEEG, MAX5181BEEG Datasheet

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General Description

The MAX5181 is a 10-bit, current-output digital-to-ana­log converter (DAC) designed for superior performance
in signal reconstruction or arbitrary waveform genera­tion applications requiring analog signal reconstruction
with low distortion and low-power operation. The
MAX5184 provides equal specifications, with on-chip
precision resistors for voltage-output operation. The
MAX5181/MAX5184 are designed for a 10pVs 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 disabled for external reference operation.

The devices are designed to provide a high level of sig­nal integrity for the least amount of power dissipation.
They operate from a single +2.7V to +3.3V supply.
Additionally, these DACs have three modes of opera­tion: normal, low-power standby, and full 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 facili­tates power conservation by activating the DAC only
when required.

The MAX5181/MAX5184 are available in 24-pin QSOP
packages and are specified for the extended (-40°C to
+85°C) temperature range. For lower resolution, 8-bit
versions, refer to the MAX5187/MAX5190 data sheet.

Applications

Signal Reconstruction

Arbitrary Waveform Generators (AWGs)

Direct Digital Synthesis

Imaging Applications

Features

♦ +2.7V to +3.3V Single-Supply Operation

♦ Wide Spurious-Free Dynamic Range: 70dB

at f

OUT

= 2.2MHz

♦ Fully Differential Output

♦ Low-Current Standby or Full Shutdown Modes

♦ Internal +1.2V, Low-Noise Bandgap Reference

♦ Small 24-Pin QSOP Package

10-Bit, 40MHz, Current/Voltage-Output DACs

________________________________________________________________ Maxim Integrated Products 1

19-1579; Rev 0; 12/99

PART

MAX5181BEEG

-40°C to +85°C

TEMP. RANGE PIN-PACKAGE

24 QSOP

Pin Configuration

Ordering Information

MAX5184BEEG

-40°C to +85°C 24 QSOP

MAX5181/MAX5184

TOP VIEW

CREF

OUTP

OUTN

AGND

AV

DACEN

CLK

REN

1

2

3

4

MAX5181

5

DD

PD

DO

MAX5184

6

7

8

9

10

11

12

QSOP

24

REFO

23

REFR

22

DGND

21

DV

DD

D9

20

D8

19

D7

18

D6CS

17

16

D5

15

D4

14

D3

13

D2D1

MAX5181/MAX5184

10-Bit, 40MHz, Current/Voltage-Output DACs

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(AVDD= DVDD= +3V ±10%, AGND = DGND = 0, f

CLK

= 40MHz, IFS= 1mA, 400Ω differential output, CL= 5pF, TA= T

MIN

to T

MAX

,

unless otherwise noted. Typical values are at T

A

= +25°C.)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.

AVDD, DVDDto AGND, DGND .................................-0.3V to +6V

Digital Inputs to DGND.............................................-0.3V to +6V

OUTP, OUTN, CREF to AGND .................................-0.3V to +6V

V

REF

to AGND ..........................................................-0.3V to +6V

AGND to DGND.....................................................-0.3V to +0.3V

AV

DD

to DVDD.................................................................... ±3.3V

Maximum Current into Any Pin............................................50mA

Continuous Power Dissipation (T

A

= +70°C)

24-Pin QSOP (derate 9.50mW/°C above +70°C) ........762mW

Operating Temperature Range

MAX518_BEEG................................................-40°C to +85°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10sec) .............................+300°C

MAX5181 only

MAX5181 only

DACEN = 0, MAX5181 only

All 0s to all 1s

To ±0.5LSB error band

Guaranteed monotonic

MAX5181

(Note 1)

CONDITIONS

Ω400R

L

DAC External Output Resistor
Load

mA0.5 1 1.5I

FS

Full-Scale Output Current

µA-1 1Output Leakage Current

V-0.3 0.8Voltage Compliance of Output

mV400V

FS

Full-Scale Output Voltage

pA/√Hz

10Output Noise

LSB-2 ±0.5 +2INLIntegral Nonlinearity

Bits10NResolution

nVs50Clock and Data Feedthrough

dBc

72

SFDR

Spurious-Free Dynamic Range
to Nyquist

pVs10Glitch Impulse

ns25Output Settling Time

LSB-1 ±0.5 1DNLDifferential Nonlinearity

-2 +2

Zero-Scale Error

LSB-40 ±15 +40Full-Scale Error

UNITSMIN TYP MAXSYMBOLPARAMETER

57 70

-68 -63

dB

-70

THD

Total Harmonic Distortion
to Nyquist

56 59

dB

61

SNRSignal-to-Noise Ratio to Nyquist

f

OUT

= 550kHz

f

OUT

= 2.2MHz

f

OUT

= 550kHz

f

OUT

= 2.2MHz

f

OUT

= 550kHz

f

OUT

= 2.2MHz

f

CLK

= 40MHz

f

CLK

= 40MHz

f

CLK

= 40MHz

DYNAMIC PERFORMANCE

STATIC PERFORMANCE

ANALOG OUTPUT

MAX5184 -8 +8

LSB

MAX5181/MAX5184

10-Bit, 40MHz, Current/Voltage-Output DACs

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

(AVDD= DVDD= +3V ±10%, AGND = DGND = 0, f

CLK

= 40MHz, IFS= 1mA, 400Ω differential output, CL= 5pF, TA= T

MIN

to T

MAX

,

unless otherwise noted. Typical values are at T

A

= +25°C.)

Note 1: Excludes reference and reference resistor (MAX5184) tolerance.

TIMING CHARACTERISTICS

Output Voltage Temperature
Drift

TCV

REF

50 ppm/°C

Reference Supply Rejection 0.5 mV/V

Current Gain (I

FS

/ I

REF

) 8 mA/mA

PARAMETER SYMBOL MIN TYP MAX UNITS

Digital Supply Current I

DVDD

4.2 5.0 mA

Digital Power-Supply Voltage DV

DD

2.7 3.3 V

Analog Supply Current I

AVDD

1.7 4.0 mA

Analog Power-Supply Voltage AV

DD

2.7 3.3 V

Standby Current I

STANDBY

1.0 1.5 mA

Shutdown Current I

SHDN

0.5 1 µA

Digital Input Voltage High V

IH

2 V

Output Voltage Range V

REF

1.12 1.2 1.28 V

Reference Output Drive
Capability

I

REFOUT

10 µA

Digital Input Voltage Low V

IL

0.8 V

Digital Input Current I

IN

±1 µA

Digital Input Capacitance C

IN

10 pF

DAC DATA to CLK Rise Setup
Time

t

DS

10 ns

DAC CLK Rise to DATA Hold
Time

t

DH

0 ns

CS Fall to CLK Rise Time

5 ns

CS Fall to CLK Fall Time

5 ns

DACEN Rise Time to V

OUT

0.5 µs

PD Fall Time to V

OUT

50 µs

Clock Period t

CLK

25 ns

Clock High Time t

CH

10 ns

Clock Low Time t

CL

10 ns

CONDITIONS

PD = 0, DACEN = 1, digital inputs at 0 or DV

DD

VIN= 0 or DV

DD

PD = 0, DACEN = 1, digital inputs at 0 or DV

DD

PD = 0, DACEN = 0, digital inputs at 0 or DV

DD

PD = 1, DACEN = X,
digital inputs at 0 or DVDD(X = don’t care)

REFERENCE

POWER REQUIREMENTS

LOGIC INPUTS AND OUTPUTS

TIMING CHARACTERISTICS

3.0

2.5

1.5

2.0

1.0

-40 35-15 10 60 85

ANALOG SUPPLY CURRENT vs.

TEMPERATURE

MAX5181/4toc04

TEMPERATURE (°C)

ANALOG SUPPLY CURRENT (mA)

MAX5181

MAX5184

8

7

6

5

4

3

2.5 4.03.0 3.5 4.5 5.0 5.5

DIGITAL SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX5181/4toc05

SUPPLY VOLTAGE (V)

DIGITAL SUPPLY CURRENT (mA)

MAX5184

MAX5181

4.00

3.75

3.25

3.50

3.00

-40 35-15 10 60 85

DIGITAL SUPPLY CURRENT vs.

TEMPERATURE

MAX5181/4toc06

TEMPERATURE (°C)

DIGITAL SUPPLY CURRENT (mA)

MAX5184

MAX5181

610

600

590

580

570

2.5 4.03.0 3.5 4.5 5.0 5.5

STANDBY CURRENT vs.

SUPPLY VOLTAGE

MAX5181/4toc07

SUPPLY VOLTAGE (V)

STANDBY CURRENT (µA)

MAX5184

MAX5181

600

590

570

560

580

550

-40 35-15 10 60 85

STANDBY CURRENT vs.

TEMPERATURE

MAX5181/4toc08

TEMPERATURE (°C)

STANDBY CURRENT (µA)

MAX5184

MAX5181

0.14

0.12

0.10

0.06

0.08

0.04

2.5 4.03.0 3.5 4.5 5.0 5.5

SHUTDOWN CURRENT vs.

SUPPLY VOLTAGE

MAX5181/4toc09

SUPPLY VOLTAGE (V)

SHUTDOWN CURRENT (µA)

MAX5184

MAX5181

MAX5181/MAX5184

10-Bit, 40MHz, Current/Voltage-Output DACs

4 _______________________________________________________________________________________

Typical Operating Characteristics

(AVDD= DVDD= +3V, AGND = DGND = 0, IFS= 1mA, 400Ω differential output, CL= 5pF, TA= +25°C, unless otherwise noted.)

INTEGRAL NONLINEARITY vs.

DIFFERENTIAL NONLINEARITY vs.

INPUT CODE

0.6

0.5

0.4

0.3

0.2

INL (LSB)

0.1

0

-0.1

-0.2
0 128 256 384 512 640 768 896 1024

INPUT CODE

MAX5181/4toc01

0.4

0.3

0.2

0.1

0

DNL (LSB)

-0.1

-0.2

-0.3
0 128 256 384 512 640 768 896 1024

INPUT CODE

INPUT CODE

ANALOG SUPPLY CURRENT

3.0

MAX5181/4toc02

2.5

2.0

1.5

ANALOG SUPPLY CURRENT (mA)

1.0

2.5 4.03.0 3.5 4.5 5.0 5.5

vs. SUPPLY VOLTAGE

MAX5184

SUPPLY VOLTAGE (V)

MAX5181/4toc03

MAX5181

MAX5181/MAX5184

10-Bit, 40MHz, Current/Voltage-Output DACs

_______________________________________________________________________________________ 5

Typical Operating Characteristics (continued)

(AVDD= DVDD= +3V, AGND = DGND = 0, IFS= 1mA, 400Ω differential output, CL= 5pF, TA= +25°C, unless otherwise noted.)

4.0

3.0

1.0

2.0

0

0 400300100 200 500

OUTPUT CURRENT vs.

REFERENCE CURRENT

MAX5181/4toc13

REFERENCE CURRENT (µA)

OUTPUT CURRENT (mA)

DYNAMIC RESPONSE RISE TIME

MAX5181/4toc14

500ns/div

OUTP
150mV/
div

OUTN
150mV/
div

DYNAMIC RESPONSE FALL TIME

MAX5181/4toc15

500ns/div

OUTP
150mV/
div

OUTN
150mV/
div

SETTLING TIME

MAX5181/4toc16

12.5ns/div

OUTN
100mV/
div

OUTP
100mV/
div

0

-10

-20

-30

-40

-50

-60

-70

-80

-90

-100

-110

-120
0246

81012141618

20

FFT PLOT

MAX5181/4toc17

OUTPUT FREQUENCY (MHz)

(dBc)

f

OUT

= 2.2MHz

f

CLK

= 40MHz

100

90

70

60

50

80

40

10 20 25 30 35 40 45 50 55 6015

SPURIOUS-FREE DYNAMIC RANGE

vs. CLOCK FREQUENCY

MAX5181/4toc18

CLOCK FREQUENCY (MHz)

SFDR (dBc)

SHUTDOWN CURRENT vs.

TEMPERATURE

0.13

0.11

0.09
MAX5181

0.07

SHUTDOWN CURRENT (µA)

0.05

0.03

-40 35-15 10 60 85

MAX5184

TEMPERATURE (°C)

MAX5181/4toc10

REFERENCE VOLTAGE (V)

INTERNAL REFERENCE VOLTAGE

vs. SUPPLY VOLTAGE

1.28

1.27

1.26

1.25

1.24

1.23

2.5 4.03.0 3.5 4.5 5.0 5.5

MAX5184

MAX5181

SUPPLY VOLTAGE (V)

1.28

1.27

MAX5181/4toc11

1.26

1.25

REFERENCE VOLTAGE (V)

1.24

1.23

INTERNAL REFERENCE VOLTAGE

vs. TEMPERATURE

MAX5181

MAX5184

-40 35-15 10 60 85

TEMPERATURE (°C)

MAX5181/4toc12