參數(shù)資料
型號(hào): AD8842AR
廠商: ANALOG DEVICES INC
元件分類: DAC
英文描述: 8-Bit Octal, 4-Quadrant Multiplying, CMOS TrimDAC
中文描述: OCTAL, SERIAL INPUT LOADING, 5.4 us SETTLING TIME, 8-BIT DAC, PDSO24
封裝: 0.300 INCH, SOIC-24
文件頁數(shù): 8/12頁
文件大?。?/td> 506K
代理商: AD8842AR
REV. 0
–8–
AD8842
40
30
20
10
0
100
1k
10k
100k
1M
FREQUENCY – Hz
P
+ PSRR
–PSRR
+ PSRR: V
DD
= +5V
±
250mV
–PSRR: V
SS
= –5V
±
250mV
12
11
10
8
7
–75
–50
–25
0
25
50
75
100
125
TEMPERATURE –
°
C
S
9
V
IN
X = +3V
–I
@ V
DD
= +5V
AND V
SS
I
@ V
DD
= +6V
AND V
SS
= –5V
I
@ V
DD
= +4V
AND V
SS
= –5V
Figure 21. AC Sweep Frequency
500 mV p-p Amplitude Response
Figure 22. Supply Current vs.
Voltage and Temperature
Figure 23. PSRR vs. Frequency
G
1k
10M
10k
1M
100k
FREQUENCY – Hz
24
–24
–72
–48
0
–12
–36
–60
12
DATA =
H
C
H
A
H
9
H
88
H
84
H
82
H
81
H
80
H
V
IN
= 100mV
AC
T
A
= +25
°
C
V
DD
= +5V
V
SS
= –5V
Figure 26. Output Voltage Drift
Accelerated by Burn-In
Figure 25. Short Circuit Limit
Output Current vs. Voltage
Figure 24. Gain (V
OUT
/V
IN
) and
Feedthrough vs. Frequency
80
–100
5
–40
–80
0
0
–20
20
40
60
4
3
2
1
O
FREQUENCY – MHz
–3dB FREQUENCY
100 mVp-p INPUT AMPLITUDE
10
90
100
0%
2V
20
μ
s
2V
Figure 20. AC Sweep Frequency 100 mV p-p Amplitude
Response
Figure 19. 10 kHz Sawtooth Waveform,
Upper Trace V
IN
, Lower Trace V
OUT
–400
5
–200
–300
0
0
–100
100
200
300
4
3
2
1
O
FREQUENCY – MHz
–3dB FREQUENCY
500 mVp-p INPUT AMPLITUDE
–4
–3
–2
0
–1
V
OUT
X – Volts
1
2
3
4
15
10
–5
5
0
–10
–15
I
O
SHORT CIRCUIT
CURRENT
LIMITING
SHORT CIRCUIT
CURRENT
LIMITING
T
A
= +25
°
C
V
DD
= +5V
V
SS
= –5V
CODE = 80
H
5
4
1
3
2
0
100
300
0
–1
–6
6
200
400
500
600
T = HOURS OF OPERATION AT 150
°
C
H
–2
–3
–4
–5
χ
χ
– 2
σ
χ
+ 2
σ
V
IN
= +3V
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