Datasheet > AD5757_11

AD5757_11

更新时间： 2022-10-08 17:20:32

品牌	Logo	应用领域
亚德诺 - ADI		功率控制
页数	文件大小	规格书
44页	1116K
描述
Quad Channel, 16-Bit,Serial Input, 4 mA to 20 mA Output DAC, Dynamic Power Control

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AD5757_11 数据手册

AD5757

Parameter¹

Min

Typ

Max

Unit

Test ConditionsꢃComments

Reference Output

Output Voltage

Reference TC²

4.995

−10

5.005

+10

T_A= 25°C

ppm/°C

μV p-p

nV/√Hz

ppm

Output Noise (0.1 Hz to 10 Hz)²

Noise Spectral Density²

Output Voltage Drift vs. Time²

Capacitive Load²

100

180

1000

At 10 kHz

Drift after 1000 hours, T_J= 150°C

Load Current

See Figure 42

Short-Circuit Current

Line Regulation²

Load Regulation²

ppm/V

ppm/mA

ppm

See Figure 43

See Figure 42

First temperature cycle

Second temperature cycle

160

Thermal Hysteresis²

ppm

DC-TO-DC

Switch

Switch On Resistance

0.425

Switch Leakage Current

Peak Current Limit

0.8

Oscillator

Oscillator Frequency

11.5

14.5

MHz

This oscillator is divided down to give the dc-to-dc

converter switching frequency

Maximum Duty Cycle

DIGITAL INPUTS²

89.6

At 410 kHz dc-to-dc switching frequency

JEDEC compliant

V_IH, Input High Voltage

V_IL, Input Low Voltage

Input Current

0.8

−1

μA

Per pin

Pin Capacitance

2.6

DIGITAL OUTPUTS²

SDO, ALERT

V_OL, Output Low Voltage

V_OH, Output High Voltage

High Impedance Leakage Current

0.4

Sinking 200 μA

Sourcing 200 μA

DVDD − 0.5

−1

μA

High Impedance Output

Capacitance

2.5

0.6

FAULT

V_OL, Output Low Voltage

0.4

10 kΩ pull-up resistor to DV_DD

At 2.5 mA

V_OL, Output Low Voltage

V_OH, Output High Voltage

3.6

10 kΩ pull-up resistor to DV_DD

POWER REQUIREMENTS

AV_DD

DV_DD

AV_CC

AI_DD

2.7

4.5

5.5

7.5

DI_CC

9.2

V_IH= DV_DD, V_IL= DGND, internal oscillator running,

over supplies

AI_CC

Over supplies

I_BOOST

Per channel, current output mode, 0 mA output

Power Dissipation

155

AV_DD= 15 V, DV_CC= 5 V, dc-to-dc converter enable,

current output mode, outputs disabled

¹Temperature range: −40°C to +105°C; typical at +25°C.

²Guaranteed by design and characterization; not production tested.

³For current outputs with internal R_SET, the offset, full-scale, and TUE measurements exclude dc crosstalk. The measurements are made with all four channels enabled

loaded with the same code.

⁴See the Current Output Mode with Internal RSET section for more explanation of the dc crosstalk.

⁵Efficiency plots in Figure 33, Figure 34, Figure 35, and Figure 36 include the I_BOOSTquiescent current.

Rev. A | Page 5 of 44

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