AD5382BSTZ-3

更新时间： 2024-01-17 11:06:03

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
40页	1170K
描述
40-Channel, 3 V/5 V, Single-Supply 12-Bit, denseDAC

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数据手册

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AD5382BSTZ-3 数据手册

Data Sheet

AD5381

Parameter

AD5381-3¹

Unit

Test Conditions/Comments

LOGIC OUTPUTS (

, SDO)³

BUSY

V_OL, Output Low Voltage

V_OH, Output High Voltage

High Impedance Leakage Current

High Impedance Output Capacitance

LOGIC OUTPUT (SDA)³

0.4

V max

V min

µA max

pF typ

Sinking 200 µA

Sourcing 200 µA

SDO only

DVDD – 0.5

SDO only

V_OL, Output Low Voltage

0.4

0.6

V max

µA max

pF typ

I_SINK= 3 mA

I_SINK= 6 mA

Three-State Leakage Current

Three-State Output Capacitance

POWER REQUIREMENTS

AVDD

2.7/3.6

2.7/5.5

V min/max

DVDD

Power Supply Sensitivity³

∆Midscale/∆ΑV_DD

AI_DD

–85

0.375

0.475

dB typ

mA/channel max

mA max

Outputs unloaded, boost off; 0.25 mA/channel typ

Outputs unloaded, boost on; 0.325 mA/channel typ

V_IH= DVDD, V_IL= DGND

DI_DD

AI_DD(Power-Down)

DI_DD(Power-Down)

Power Dissipation

µA max

Typically 100 nA

Typically 1 µA

mW max

Outputs unloaded, boost off, AVDD = DVDD = 3 V

¹AD5381-3 is calibrated using an external 1.25 V reference. Temperature range is –40°C to +85°C.

²Accuracy guaranteed from VOUT = 10 mV to AVDD – 50 mV.

³Guaranteed by characterization, not production tested.

⁴Default on the AD5381-3 is 1.25 V. Programmable to 2.5 V via CR10 in the AD5381 control register; operating the AD5381-3 with a 2.5 V reference will lead to degraded

accuracy specifications and limited input code range.

AC CHARACTERISTICS¹

AVDD = 4.5 V to 5.5 V or 2.7 V to 3.6 V; DVDD = 2.7V to 5.5V; AGND = DGND = 0V.

Table 4.

Parameter

All

Unit

Test Conditions/Comments

DYNAMIC PERFORMANCE

Output Voltage Settling Time

1/4 scale to 3/4 scale change settling to 1 LSB

µs typ

µs max

V/µs typ

nV-s typ

mV typ

Slew Rate ²

1.5

2.5

Boost mode off, CR9 = 0

Boost mode on, CR9 = 1

Digital-to-Analog Glitch Energy

Glitch Impulse Peak Amplitude

DAC-to-DAC Crosstalk

Digital Crosstalk

nV-s typ

See Terminology section

0.8

0.1

Digital Feedthrough

Output Noise 0.1 Hz to 10 Hz

nV-s typ

µV p-p typ

Effect of input bus activity on DAC output under test

External reference, midscale loaded to DAC

Internal reference, midscale loaded to DAC

Output Noise Spectral Density

@ 1 kHz

@ 10 kHz

150

100

nV/√Hz typ

¹Guaranteed by design and characterization, not production tested.

²Slew rate can be programmed via the current boost control bit in the AD5381 control register.

Rev. D | Page 7 of 40

1...4 5 678 9 10...40

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