AD7112 Analog Devices, AD7112 Datasheet - Page 8

• Manufacturer Part Number: AD7112
• Description: Dual CMOS Multiplying DAC with Anti-Log Transfer Function for Audio Volume Control Applications
• Manufacturer: Analog Devices

Specifications of AD7112

• Resolution (bits): 17bit
• Dac Update Rate: 222kSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +5.25V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Par

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