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參數(shù)資料
| 型號： | AD8842ARZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 12/13頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 8BIT OCTAL 24SOIC |
| 產(chǎn)品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 1,000 |
| 系列： | TrimDAC® |
| 設置時間： | 2.9µs |
| 位數(shù)： | 8 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 8 |
| 電壓電源： | 雙 ± |
| 功率耗散（最大）： | 135mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 24-SOIC |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 8 電壓，雙極 |
| 采樣率（每秒）： | 500k |
REV.
–8–
AD8842
40
30
20
10
0
100
1k
10k
100k
1M
FREQUENCY – Hz
POWER
SUPPLY
REJECTION
–
dB
+ 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
SUPPLY
CURRENT
–
mA
9
V
IN X = +3V
–I
SS @ VDD = +5V
AND V
SS = –4V OR –6V
I
DD @ VDD = +6V
AND V
SS = –5V
I
DD @ VDD = +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
GAIN
–
dB
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 = 100mVAC
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 (VOUT/VIN) and
Feedthrough vs. Frequency
80
–100
5
–40
–80
0
–20
20
40
60
4
3
2
1
OUTPUT
AMPLITUDE
–
mV
FREQUENCY – MHz
–3dB FREQUENCY
100 mVp-p INPUT AMPLITUDE
10
90
100
0%
2V
20
s
2V
Figure 20. AC Sweep Frequency 100 mV p-p Amplitude
Response
Figure 19. 10 kHz Sawtooth Waveform,
Upper Trace VIN, Lower Trace VOUT
–400
5
–200
–300
0
–100
100
200
300
4
3
2
1
OUTPUT
AMPLITUDE
–
mV
FREQUENCY – MHz
–3dB FREQUENCY
500 mVp-p INPUT AMPLITUDE
–4
–3
–2
0
–1
1
2
3
4
15
10
–5
5
0
–10
–15
I OUT
–
mA
SHORT CIRCUIT
CURRENT
LIMITING
SHORT CIRCUIT
CURRENT
LIMITING
TA = +25°C
VDD = +5V
VSS = –5V
CODE = 80H
VOUTX – Volts
5
4
1
3
2
0
100
300
0
–1
–6
6
200
400
500
600
T = HOURS OF OPERATION AT 150
°C
HALF
SCALE
OFFSET
–
mV
–2
–3
–4
–5
χ
χ – 2σ
χ + 2σ
VIN = +3V
A
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