Rainbow Electronics MAX5264 User Manual

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General Description

The MAX5264 contains eight 14-bit, voltage-output digi­tal-to-analog converters (DACs). On-chip precision out­put amplifiers provide the voltage outputs. The device
operates from +14V/-9V supplies. Its bipolar output
voltage swing ranges from +9V to -4V and is achieved
with no external components. The MAX5264 has three
pairs of differential reference inputs; two of these pairs
are connected to two DACs each, and a third pair is
connected to four DACs. The references are indepen­dently controlled, providing different full-scale output
voltages to the respective DACs. The MAX5264 oper­ates within the following voltage ranges: VDD= +7V to
+14V, V

SS

= -5V to -9V, and VCC= +4.75V to +5.25V.

The MAX5264 features double-buffered interface logic
with a 14-bit parallel data bus. Each DAC has an input
latch and a DAC latch. Data in the DAC latch sets the
output voltage. The eight input latches are addressed
with three address lines. Data is loaded to the input
latch with a single write instruction. An asynchronous
load input (LD) transfers data from the input latch to the
DAC latch. The LD input controls all DACs; therefore, all
DACs can be updated simultaneously by asserting the
LD pin.

An asynchronous CLR input sets the output of all eight
DACs to the respective DUTGND input of the op amp.
Note that CLR is a CMOS input, which is powered by
V

DD

. All other logic inputs are TTL/CMOS compatible.

The “A” grade of the MAX5264 has a maximum INL of
±4LSBs, while the “B” grade has a maximum INL of
±8LSBs. Both grades are available in 44-pin MQFP
packages.

Applications

Automatic Test Equipment (ATE)

Industrial Process Controls

Arbitrary Function Generators

Avionics Equipment

Minimum Component Count Analog Systems

Digital Offset/Gain Adjustment

SONET Applications

Features

♦ Full 14-Bit Performance Without Adjustments

♦ 8 DACs in a Single Package

♦ Buffered Voltage Outputs

♦ Unipolar or Bipolar Voltage Swing to +9V and -4V

♦ 22µs Output Settling Time

♦ Drives Up to 10,000pF Capacitive Load

♦ Low Output Glitch: 30mV

♦ Low Power Consumption: 10mA (typ)

♦ Small 44-Pin MQFP Package

♦ Double-Buffered Digital Inputs

♦ Asynchronous Load Updates All DACs

Simultaneously

♦ Asynchronous CLR Forces All DACs to DUTGND

Potential

MAX5264

Octal, 14-Bit Voltage-Output DAC

with Parallel Interface for ATE

________________________________________________________________ Maxim Integrated Products 1

19-1734; Rev 0; 5/00

PART

MAX5264ACMH

MAX5264BCMH 0°C to +70°C

0°C to +70°C

TEMP. RANGE

PIN-

PACKAGE

44 MQFP

44 MQFP

Functional Diagram appears at end of data sheet.

Pin Configuration

Ordering Information

INL

(LSB)

±4

±8

TOP VIEW

REFCDEF-

REFCDEF+

MAX5264

DD

V

OUTE

DUTGNDEF

OUTF

OUTG

33

DUTGNDGH

32

OUTH

31

REFGH-

30

REFGH+
CLR

29

D13

28

D12

27

D11

26

D10

25

D9

24

D8

23

DUTGNDAB

OUTA

REFAB-

REFAB+

V
V

OUTB

OUTC

DUTGNDCD

OUTD

4443424140393837363534

1

2

3

4

5

DD

6

SS

7

LD
A2

8

A1

9

A0

10

CS

11

1213141516171819202122

CC

WR

D0D1D2D3D4D5D6

V

GND

MQFP

D7

MAX5264

Octal, 14-Bit Voltage-Output DAC
with Parallel Interface for ATE

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VDD= +14V, VSS= -9V, VCC= +5V, V

GND

= V

DUTGND_ _

= 0, V

REF

_ _ _ _+ = +4.500V, V

REF

_ _ _ _- = -2.000V, RL= 10kΩ,

C

L

= 50pF, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +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.

VDDto GND ........................................................-0.3V to +16.8V

V

SS

to GND ........................................................ -10.8V to +0.3V

V

CC

to GND ............................................................ -0.3V to +6V

A_, D_, WR, CS, LD, CLR to GND.............+0.3V to (V

CC

+ 0.3V)

REF_ _ _ _+, REF_ _ _ _-,

DUTGND_ _ ..................................(V

SS

- 0.3V) to (VDD+ 0.3V)

OUT_ ..........................................................................V

DD

to V

SS

Maximum Current into REF_ _ _ _ _, DUTGND_ _ ...........±10mA

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

OUT_ Short-Circuit Duration to V

DD

, VSS, and GND ................1s

Continuous Power Dissipation (T

A

= +70°C)

44-Pin MQFP (derate 11.1mW/°C above +70°C)..........870mW

Operating Temperature Range...............................0°C to +70°C

Junction Temperature......................................................+150°C

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

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

(Note 1)

(Note 2)

MAX5264A

(Note 1)

(Note 1)

MAX5264B

Guaranteed monotonic

CONDITIONS

Ω0.5DC Output Impedance

pF10,000Capacitive Load to GND

kΩ5Resistive Load to GND

VVSS+ 2 -4Minimum Output Voltage

V9VDD- 2Maximum Output Voltage

V3 6.5

(REF_ _ _ _+) - (REF_ _ _ _-)
Range

V-2.0 -1.5REF_ _ _ _- Input Range

V1.5 4.5REF_ _ _ _+ Input Range

µA±1 ±10Input Current

MΩ1Input Resistance

±4

Bits14NResolution

µV14 75DC Crosstalk

ppm

FSR/°C

0.15 20Gain Temperature Coefficient

LSB±4 ±10Gain Error

LSB

±8

INLRelative Accuracy

LSB±1DNLDifferential Nonlinearity

LSB±4 ±8Zero-Scale Error

LSB±8 ±16Full-Scale Error

UNITSMIN TYP MAXSYMBOLPARAMETER

V3.5 8.5

VDD- (2 · V

REF_ _ _ _

+) Range

V7.5 10V

DD

- (V

REF_ _ _ _

+) Range

STATIC PERFORMANCE (ANALOG SECTION)

REFERENCE INPUTS

ANALOG OUTPUTS

V57(V

REF_ _ _ _

-) - VSSRange

V3.5 5

(2 · V

REF_ _ _ _

-) - VSSRange

MAX5264

Octal, 14-Bit Voltage-Output DAC

with Parallel Interface for ATE

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

(VDD= +14V, VSS= -9V, VCC= +5V, V

GND

= V

DUTGND_ _

= 0, V

REF

_ _ _ _+ = +4.500V, V

REF

_ _ _ _- = -2.000V, RL= 10kΩ,

C

L

= 50pF, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.)

INTERFACE TIMING CHARACTERISTICS

(VDD= +14V, VSS= -9V, VCC= +5V, V

GND

= V

DUTGND_ _

= 0, V

REF

_ _ _ _+ = +4.500V, V

REF

_ _ _ _- = -2.000V, Figure 2, TA= T

MIN

to T

MAX

, unless otherwise noted.)

(Note 1)

CONDITIONS

kΩ55 115Input Impedance per DAC

µA-120 73Input Current per DAC

UNITSMIN TYP MAXSYMBOLPARAMETER

VIN= 0 or V

CC

µA-1 1I

IN

V-2 2Input Range

Input Current

V18 23VDD- V

SS

V4.75 5 5.25V

CC

Digital Power Supply

V11.5 14V

DD

VDDAnalog Power-Supply
Range

V-9 -6.5V

SS

VSSAnalog Power-Supply
Range

VSS= -9V ±5%

VDD= 14V ±5%

dB98

RL= 10kΩ, V

OUT_

= -4 (Note 4)

dB

RL= 10kΩ, V

OUT_

= 9V (Note 3)

94PSRR, ∆V

OUT

/ ∆V

DD

(Note 5)

PSRR, ∆V

OUT

/ ∆V

SS

mA20I

SS

mA20I

DD

Positive Supply Current

Negative Supply Current

0.5

(Note 6)

mA

5

I

CC

Digital Supply Current

ns0t

4

ns50t

3

LD Pulse Width Low
CS Low to WR Low

CONDITIONS

ns50t

1

CS Pulse Width Low

ns50t

2

WR Pulse Width Low

UNITSMIN TYP MAXSYMBOLPARAMETER

ns15t

8

ns0t

7

Data Valid to WR Hold
Address Valid to WR Setup

ns0t

5

CS High to WR High

ns50t

6

Data Valid to WR Setup

ns0t

9

Address Valid to WR Hold

(Note 1) pF10C

IN

Input Capacitance

V2.4V

IH

Input Voltage High

V0.8V

IL

Input Voltage Low

DUTGND_ _ CHARACTERISTICS

POWER SUPPLIES

DIGITAL INPUTS

MAX5264

Octal, 14-Bit Voltage-Output DAC
with Parallel Interface for ATE

4 _______________________________________________________________________________________

Note 1: Guaranteed by design. Not production tested.
Note 2: Guaranteed by design when 220Ω resistor is in series with C

L

= 10,000pF.

Note 3: All DAC latches at full scale (0x3FFF).
Note 4: All DAC latches at zero scale (0x0000).
Note 5: All digital inputs (D_, A_, WR, CS, LD, and CLR) at GND or V

CC

potential.

Note 6: All digital inputs (D_, A_, WR, CS, LD, and CLR) at +0.8V or +2.4V.
Note 7: All data inputs (D0 to D13) transition from GND to V

CC

, with WR = VCC.

Note 8: All digital inputs (D_, A_, WR, CS, LD, and CLR) at +0.8V or +2.4V.

DYNAMIC CHARACTERISTICS

(VDD= +14V, VSS= -9V, VCC= +5V, V

GND

= V

DUTGND_ _

= 0, V

REF

_ _ _ _+ = +4.500V, V

REF

_ _ _ _- = -2.000V, RL= 10kΩ,

C

L

= 50pF, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.)

(Note 8)

(Note 7)

At ƒ = 1kHz

nVs3

To ±1LSB of full scale

nVs3Digital Feedthrough

Digital Crosstalk

nV/√Hz

130

dB100Channel-to-Channel Isolation

CONDITIONS

Output Noise Spectral Density

nVs120Digital-to-Analog Glitch Impulse

nVs3DAC-to-DAC Crosstalk

µs22Output Settling Time

V/µs1Output Slew Rate

UNITSMIN TYP MAXSYMBOLPARAMETER

Typical Operating Characteristics

(VDD= +14V, VSS= -9V, VCC= +5V, V

GND

= V

DUTGND_ _

= 0, V

REF

_ _ _ _+ = +4.500V, V

REF

_ _ _ _- = -2.000V, TA= +25°C, unless

otherwise noted.)

-0.4

-0.2

-0.3

-0.1

0.2

0.3

0.1

0

0.4

0 4000 8000 12,000 16,000

INTEGRAL NONLINEARITY

vs. DIGITAL CODE

MAX5264-01

DIGITAL CODE

INL (LSB)

-0.4

-0.2

-0.3

-0.1

0.2

0.3

0.1

0

0.4

0 4000 8000 12,000 16,000

DIFFERENTIAL NONLINEARITY

vs. DIGITAL CODE

MAX5264-02

DIGITAL CODE

DNL (LSB)

0

0.1

0.2

0.3

0.4

INL AND DNL ERROR

vs. TEMPERATURE

MAX5264-03

TEMPERATURE (°C)

ERROR (LSB)

0304010 20 50 60 70

INL

DNL

MAX5264

Octal, 14-Bit Voltage-Output DAC

with Parallel Interface for ATE

_______________________________________________________________________________________ 5

0

Typical Operating Characteristics (continued)

(VDD= +14V, VSS= -9V, VCC= +5V, V

GND

= V

DUTGND_ _

= 0, V

REF

_ _ _ _+ = +4.500V, V

REF

_ _ _ _- = -2.000V, TA= +25°C, unless

otherwise noted.)

ZERO-SCALE AND FULL-SCALE ERROR

vs. TEMPERATURE

0.4

0.3

0.2

0.1

0

ERROR (LSB)

-0.1

-0.2

-0.3

-0.4
02010 30 40 50 60 70

ZERO SCALE

FULL SCALE

TEMPERATURE (°C)

REFERENCE INPUT

FREQUENCY RESPONSE

5

0

-5

-10

-15

-20

AMPLITUDE (dB)

-25

-30

-35

-40
1k 10k 100k 1M 10M

REF_ _ = 200 mVp-p

FREQUENCY (Hz)

POSITIVE SETTLING TIME

MAX5264-04

(mA)

SS

, I

DD

I

MAX5264-07

SETTLING TIME (µS)

16

15

14

13

12

11

10

9

8

100

90

80

70

60

50

40

30

20

10

0

IDD AND I

SS

vs. TEMPERATURE (WITH 10kΩ LOADS)

IDD

ISS

02010 30 40 50 60 70

TEMPERATURE (°C)

SETTLING TIME

vs. CAPACITIVE LOAD

10 100 1000 10,000 100,00

CAPACITIVE LOAD (pF)

NEGATIVE SETTLING TIME

DIGITAL SUPPLY CURRENT

vs. TEMPERATURE

30

28

MAX5264-05

26

24

(µA)

CC

I

22

20

18

16

0203010 40 50 60 70

TEMPERATURE (°C)

LARGE-SIGNAL STEP RESPONSE

MAX5264-08

DATA

D13–D0

5V/div

OUT

5V/div

5µs/div

NOISE VOLTAGE DENSITY

vs. FREQUENCY

1000

MAX5264-06

MAX5264-09

5V/div

OUT

1mV/div

MAX5264-10

LD

5µs/div

5V/div

OUT

1mV/div

LD

5µs/div

MAX5264-11

NOISE VOLTAGE DENSITY (nV/√Hz)

100

10 1k 10k

100

FREQUENCY (Hz)

MAX5264-12