MAX5652 datasheet(3/14 Pages) MAXIM

3 / 14 page

16-Bit, Parallel-Input, Voltage-Output DACs

with Internal Reference

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ELECTRICAL CHARACTERISTICS—MAX5650 (continued)

(AVDD = DVDD = +4.75V to +5.25V, AGND = DGND = GND = 0V, VREF = internal, RL =

∞, CL = 10pF, CREF = 1µF,

TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DYNAMIC PERFORMANCE—ANALOG SECTION

Output Settling Time

7F60H to 80A0H or 80A0H to 7F60H to 0.5 LSB2

µs

DAC Glitch Impulse

Major carry transition

nV·s

Digital Feedthrough

Code = 0000 hex; CSLSB = CSMSB =

DVDD, D0–D15 transition from 0 to DVDD

nV·s

DYNAMIC PERFORMANCE—VOLTAGE REFERENCE SECTION

Frequency = 0.1Hz to 10Hz

µVP-P

Noise Voltage (Note 6)

Frequency = 10Hz to 1kHz

µVRMS

VREF Glitch Impulse

For zero-scale to full-scale or full-scale to

zero-scale transition

nV·s

STATIC PERFORMANCE—DIGITAL INPUTS

Input High Voltage

VIH

(Note 8)

2.4

Input Low Voltage

VIL

(Note 8)

0.8

Input Current

IIN

±1

µA

Input Capacitance

CIN

5pF

POWER SUPPLY

Analog Supply Range

AVDD

4.75

5.25

Digital Supply Range

DVDD

(Note 9)

AVDD -

0.3

AVDD

+ 0.3

Positive Supply Current

IAVDD +

IDVDD

All digital inputs at DVDD or 0V, AVDD = DVDD

2mA

TIMING CHARACTERISTICS (Figure 4)

CSMSB and CSLSB Pulse Width

tCS

WR Pulse Width

tWR

CSMSB or CSLSB to WR

Setup Time

tCWS

0ns

CSMSB or CSLSB to WR

Hold Time

tCWH

0ns

Data Valid to WR Setup Time

tDWS

Data Valid to WR Hold Time

tDWH

0ns

LDAC Pulse Width

tLDAC

CLR Pulse Width

tCLR

Note 1: 100% production tested at TA = +25°C and TA = +85°C. Guaranteed by design at TA = -40°C.

Note 2: Temperature coefficient is determined by the box method in which the maximum change over the temperature range is

divided by

∆T.

Note 3: Gain error is measured at the full-scale code and is calculated with respect to the reference voltage (REF).

Note 4: Resistor tolerance is typically ±20%.

Note 5: Guaranteed by design, not production tested.

Note 6: Noise is measured at the reference output.

Note 7: Min/max range guaranteed by gain-error test. Operation outside min/max limits results in degraded performance.

Note 8: The devices draw higher supply current when the digital inputs are driven between (DVDD - 0.5V) and (DGND + 0.5V).

See Digital Supply Current vs. Digital Input Voltage in the Typical Operating Characteristics.

Note 9: For optimal performance AVDD = DVDD.

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