AD7112CN Analog Devices Inc, AD7112CN Datasheet - Page 8

• Manufacturer Part Number: AD7112CN
• Description: IC DAC DUAL LOGARITHMIC 20-DIP
• Manufacturer: Analog Devices Inc
• Series: LOGDAC®r

Specifications of AD7112CN

• Rohs Status: RoHS non-compliant
• Number Of Bits: 17
• Data Interface: Parallel
• Number Of Converters: 2
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 10mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Settling Time: -

AD7112
Figure 10. Channel-to-Channel Isolation vs. Frequency
–100
–100
–100
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
10
10
10
Figure 9. Feedthrough vs. Frequency
3
1
3
Figure 8. Distortion vs. Frequency
V
T
V
V
BOTH DAC LATCHES LOADED
V
INPUT CODE = 0000 0000
T = +25
C1 = 15pF
A
V
T = +25
V
DD
IN
IN
WITH 0000 0000
IN
DD
IN
= +25
A = 20V p–p SINE WAVE
B = 0V
= 6V rms
= +5V
A, V
= +5V
°
°
C
°
IN
C
C
B = 20V p–p SINE WAVE
10
2
10
10
4
4
FREQUENCY – Hz
FREQUENCY – Hz
FREQUENCY – Hz
10
3
10
10
5
5
AD712
10
OP275
4
10
10
10
5
6
6
–8–
100
Figure 11. Output Leakage Current vs. Temperature
90
10
0%
Figure 13. Noise Spectral Density vs. Frequency
5V
A1
Figure 12. Digital-to-Analog Glitch Impulse
50
40
30
20
10
2
1
0
–40
10
2
2.0V
10mV
V
V
DATA INPUT = 1111 XXXX
V
V
DAC CODE = 0000 0000
INCLUDES OP275 AMPLIFIER NOISE
DD
IN
DD
IN
= –10V
= 0V
= +5V
= +5V
–15
10
TEMPERATURE –
200ns
3
FREQUENCY – Hz
10
35
°
C
10
DATA INPUTS
FROM 00H TO 80H
AD712
OUTPUT
4
60
V
T
V
A
DD
IN
= +25
= AGND
= +5V
85
10
REV. 0
°
5
C