AD7112BR Analog Devices Inc, AD7112BR Datasheet - Page 9

• Manufacturer Part Number: AD7112BR
• Description: IC DAC DUAL LOGARITHMIC 20-SOIC
• Manufacturer: Analog Devices Inc
• Series: LOGDAC®r

Specifications of AD7112BR

• 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: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Settling Time: -

REV. 0
Figure 14. Typical Attenuation Error for 0.75 dB Steps
Figure 15. Typical Attenuation Error for 3 dB Steps vs.
Temperature
–0.5
–1.0
–0.2
–0.4
–0.6
1.0
0.5
0.0
0.4
0.2
0.0
0
*
0
*
*
6
* * *
3
V
12
V
T
DD
* *
A
DD
*
= +5V
= +25
6
18
= +5V
* *
°
24
* * * * * *
C
9
30
ATTENUATION – dB
ATTENUATION – dB
12
36
* *
T
A
* * *
= +85
42
15
* *
48
°
C
18
*
* *
54
* * *
T
21
60
A
= +25
* *
66
24
*
°
*
C
72
*
* *
27
78
*
* *
84
30
*
–9–
Figure 16. Accuracy Specification for B Grade Devices at
T
Figure 17. Accuracy Specification for C Grade Devices at
T
A
A
= +25 C
= +25 C
–0.17
–0.17
+0.17
+0.17
–1
–2
–1
–2
2
1
0
2
1
0
0
0
0.375 dB ATTENUATION STEPS
6
6
0.375 dB ATTENUATION STEPS
12
12
MONOTONICITY FOR 1.5 dB ATTENUATION STEPS
MONOTONICITY FOR 1.5 dB ATTENUATION STEPS
18
18
0.75 dB ATTENUATION STEPS
0.75 dB ATTENUATION STEPS
24
24
30
30
ATTENUATION – dB
ATTENUATION – dB
36
36
42
42
48
48
54
54
60
60
66
66
AD7112
72
72
78 84
78 84
85.5
90
90