AD7834ANZ1 查看數據表（PDF） - Analog Devices

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AD7834ANZ1

LC2MOS Quad 14-Bit DACs

Analog Devices 

AD7834/AD7835

AC PERFORMANCE CHARACTERISTICS

These characteristics are included for design guidance and are not subject to production testing.

Table 3.

Parameter

A

B

S

Unit (typ) Test Conditions/Comments

DYNAMIC PERFORMANCE

Output Voltage Settling Time

10 10 10 μs

Full-scale change to ±1/2 LSB. DAC latch contents

alternately loaded with all 0s and all 1s.

Digital-to-Analog Glitch Impulse

120 120 120 nV-s

Measured with VREF(+) = VREF(−) = 0 V. DAC latch

alternately loaded with all 0s and all 1s.

DC Output Impedance

0.5 0.5 0.5 Ω

See the Terminology section.

Channel-to-Channel Isolation

100 100 100 dB

See the Terminology section; applies to the AD7835 only.

DAC-to-DAC Crosstalk

25 25 25 nV-s

See the Terminology section.

Digital Crosstalk

3

3

3 nV-s

Feedthrough to DAC output under test due to change in

digital input code to another converter.

Digital Feedthrough—AD7834

0.2 0.2 0.2 nV-s

Effect of input bus activity on DAC output under test.

Digital Feedthrough—AD7835

1.0 1.0 1.0 nV-s

Output Noise Spectral Density at 1 kHz 40 40 40 nV/√Hz

All 1s loaded to DAC. VREF(+) = VREF(−) = 0 V.

Rev. D | Page 5 of 28

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