DAC8501_芯片手册(3)

DAC 芯片~ 16位超级好用,不容错过

ELECTRICAL CHARACTERISTICS

VDD = +2.7V to +5.5V, and –40°C to +105°C, unless otherwise specified.

DAC8501E

PARAMETER

STATIC PERFORMANCE(1)Resolution

Relative Accuracy

Differential NonlinearityZero Code ErrorFull-Scale ErrorGain Error

Zero Code Error Drift

Gain Temperature CoefficientOUTPUT CHARACTERISTICS(2)Output Voltage Range

Output Voltage Settling Time

CONDITIONS

MIN16

Ensured Monotonic by DesignAll Zeroes Loaded to DAC RegisterAll Ones Loaded to DAC Register

±0.098±1±20±1.25±1.25

TYP

MAX

UNITSBits% of FSRLSBmV% of FSR% of FSRµV/°C

ppm of FSR/°C

VµsµsV/µspFpFnV-snV-s mAmAµsµs

4530VDD

µAµAVk kHzkHz

±10.80.6

2.42.1

3

2.7

DAC Active and Excluding Load Current

VIH = VDD and VIL = GNDVIH = VDD and VIL = GND

VIH = VDD and VIL = GNDVIH = VDD and VIL = GNDILOAD = 2mA, VDD = +5V

–40

2502400.20.0589

+1055.540039011

µAVVVVpFVµAµAµAµA%°C

+5–0.15±20±5

VREF

81214701000200.5150202.553520

10

To ±0.003% FSR0200H to FD00H

RL = 2k ; 0pF < CL < 200pFRL = 2k ; CL = 500pFRL = ∞

RL = 2k to Ground

1LSB Change Around Major Carry

Slew Rate

Capacitive Load StabilityCode Change Glitch ImpulseDigital FeedthroughDC Output ImpedanceShort-Circuit CurrentPower-Up Time

VDD = +5VVDD = +3V

Coming Out of Power-Down Mode

VDD = +5V

Coming Out of Power-Down Mode

VDD = +3V

VREF = VDD = +5VVREF = VDD = +3.6V

REFERENCE INPUTReference Current

Reference Input RangeReference Input ImpedanceMULTIPLYING MODESmall-Signal BandwidthFull-Power BandwidthLOGIC INPUTS(2)Input Current

VINL, Input LOW VoltageVINL, Input LOW VoltageVINH, Input HIGH VoltageVINH, Input HIGH VoltagePin Capacitance

POWER REQUIREMENTSVDD

IDD (normal mode)VDD = +3.6V to +5.5VVDD = +2.7V to +3.6V

IDD (all power-down modes)VDD = +3.6V to +5.5VVDD = +2.7V to +3.6VPOWER EFFICIENCYIOUT/IDD

TEMPERATURE RANGESpecified Performance

15035064

VDD = +5VVDD = +3VVDD = +5VVDD = +3V

NOTES: (1) Linearity calculated using a reduced code range of 485 to 64714; output unloaded. (2) Ensured by design and characterization, not production tested.

DAC8501

SBAS212A

3