Rainbow-electronics MAX5101 Manual de usuario descargar pdf (Pagina 3)

MAX5101

+2.7V to +5.5V, Low-Power, Triple, Parallel

8-Bit DAC with Rail-to-Rail Voltage Outputs

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

= +2.7V to +5.5V, R

= 10kΩ, C

= 100pF, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at V

= +3V and

= +25°C.)

Note 1: Reduced digital code range (code 00 hex to code F0 hex) due to swing limitations when the output amplifier is loaded.

Note 2: Gain error is: [100 (V

F0,meas

- ZCE - V

F0,ideal

) / V

]. Where V

F0,meas

is the DAC output voltage with input code F0 hex, and

F0,ideal

is the ideal DAC output voltage with input code F0 hex (i.e., V

· 240 / 256).

Note 3: Output settling time is measured from the 50% point of the falling edge of WR to ±1/2LSB of V

OUT

’s final value.

Note 4: Channel-to-Channel Isolation is defined as the glitch energy at a DAC output in response to a full-scale step change on any

other DAC output. The measured channel has a fixed code of 80 hex.

Note 5: Digital Feedthrough is defined as the glitch energy at any DAC output in response to a full-scale step change on all eight

data inputs with WR at V

Note 6: R

= ∞ , digital inputs at GND or V

Note 7: Timing measurement reference level is (V

+ V

) / 2.

CONDITIONS UNITSMIN TYP MAXSYMBOLPARAMETER

Digital-to-Analog Glitch Impulse Code 80 hex to code 7F hex 90 nVs

Wideband Amplifier Noise 60 µV

RMS

Shutdown Recovery Time t

SDR

To ±1/2LSB of final value of V

OUT

13 µs

Time to Shutdown t

SDN

< 5µA 20 µs

Power-Supply Voltage V

2.7 5.5 V

Supply Current (Note 6) I

280 520 µA

Shutdown Current 13µA

Address to WR Setup

5 ns

Address to WR Hold

0 ns

Data to WR Setup

25 ns

WR Pulse Width

20 ns

Data to WR Hold

0 ns

POWER SUPPLIES

DIGITAL TIMING (Figure 1) (Note 7)

1 2 3 4 5 6 7 8

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Rainbow-electronics MAX5101 Manual de usuario Pagina 3

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