AD8842 Analog Devices, AD8842 Datasheet - Page 8

• Manufacturer Part Number: AD8842
• Description: 8-Bit Octal, 4-Quadrant Multiplying, CMOS TrimDAC
• Manufacturer: Analog Devices

Specifications of AD8842

• Resolution (bits): 8bit
• Dac Update Rate: 500kSPS
• Dac Settling Time: 2.9µs
• Max Pos Supply (v): +5.25V
• Single-supply: No
• Dac Type: Voltage Out
• Dac Input Format: Ser,SPI

AD8842
–100
–200
–300
–400
–12
–24
–36
–48
–60
–72
300
200
100
Figure 21. AC Sweep Frequency
500 mV p-p Amplitude Response
Figure 24. Gain (V
Feedthrough vs. Frequency
24
12
0
0
1k
0
Figure 19. 10 kHz Sawtooth Waveform,
Upper Trace V
1
10k
100
90
10
0%
500 mVp-p INPUT AMPLITUDE
DATA = ØØ
–3dB FREQUENCY
FREQUENCY – Hz
FREQUENCY – MHz
2V
2V
2
CØ
AØ
80
9Ø
88
84
82
81
H
H
H
H
H
H
H
H
100k
H
OUT
V
3
IN
IN
/V
T
V
= 100mV
V
A
, Lower Trace V
DD
SS
IN
1M
= +25 C
) and
= +5V
= –5V
4
AC
10M
5
20 s
OUT
–10
–15
15
10
–5
12
11
10
9
8
7
–75 –50 –25
5
0
Figure 25. Short Circuit Limit
Output Current vs. Voltage
Figure 22. Supply Current vs.
Voltage and Temperature
–4
T
V
V
CODE = 80
SHORT CIRCUIT
–3
V
A
DD
SS
IN
= +25 C
= –5V
CURRENT
= +5V
X = +3V
LIMITING
–I
AND V
I
I
AND V
AND V
DD
DD
SS
–2
TEMPERATURE – C
@ V
@ V
@ V
H
V
SS
0
–1
SS
SS
OUT
DD
DD
DD
–8–
= –4V OR –6V
= –5V
= –5V
X – Volts
= +6V
= +4V
= +5V
25
0
Figure 20. AC Sweep Frequency 100 mV p-p Amplitude
Response
50
SHORT CIRCUIT
1
CURRENT
LIMITING
75
2
100 125
3
–100
4
–80
–20
–40
20
80
60
40
0
0
30
1
–1
–2
–3
–4
–5
–6
40
20
10
0
Figure 23. PSRR vs. Frequency
Figure 26. Output Voltage Drift
Accelerated by Burn-In
6
5
4
3
2
1
0
100
100 mVp-p INPUT AMPLITUDE
0
FREQUENCY – MHz
V
–PSRR: V
T = HOURS OF OPERATION AT 150 C
IN
+ PSRR: V
–3dB FREQUENCY
2
100
= +3V
1k
FREQUENCY – Hz
SS
200
3
DD
= –5V 250mV
= +5V 250mV
300
10k
4
–PSRR
400
100k
5
+ PSRR
500
+ 2
– 2
REV.
1M
600
A