AD7834 Analog Devices, AD7834 Datasheet - Page 5

• Manufacturer Part Number: AD7834
• Description: LC2MOS Quad 14-Bit DAC
• Manufacturer: Analog Devices

Specifications of AD7834

• Resolution (bits): 14bit
• Dac Update Rate: 100kSPS
• Dac Settling Time: 10µs
• Max Pos Supply (v): +15.75V
• Single-supply: No
• Dac Type: Voltage Out
• Dac Input Format: Ser

AC PERFORMANCE CHARACTERISTICS
These characteristics are included for design guidance and are not subject to production testing.
Table 3.
Parameter
DYNAMIC PERFORMANCE
Output Voltage Settling Time
Digital-to-Analog Glitch Impulse
DC Output Impedance
Channel-to-Channel Isolation
DAC-to-DAC Crosstalk
Digital Crosstalk
Digital Feedthrough—AD7834
Digital Feedthrough—AD7835
Output Noise Spectral Density at 1 kHz
A
10
120
0.5
100
25
3
0.2
1.0
40
B
10
0.5
100
3
0.2
1.0
120
25
40
S
10
120
0.5
100
25
3
0.2
1.0
40
Rev. D | Page 5 of 28
Unit (typ)
μs
nV-s
Ω
dB
nV-s
nV-s
nV-s
nV-s
nV/√Hz
Full-scale change to ±1/2 LSB. DAC latch contents
alternately loaded with all 0s and all 1s.
Measured with V
alternately loaded with all 0s and all 1s.
See the Terminology section.
See the Terminology section; applies to the AD7835 only.
See the Terminology section.
Feedthrough to DAC output under test due to change in
digital input code to another converter.
Effect of input bus activity on DAC output under test.
All 1s loaded to DAC. V
Test Conditions/Comments
REF
(+) = V
REF
(+) = V
REF
(−) = 0 V. DAC latch
REF
AD7834/AD7835
(−) = 0 V.