DD
參數(shù)資料
型號(hào): AD8842AR
廠商: Analog Devices Inc
文件頁(yè)數(shù): 12/13頁(yè)
文件大?。?/td> 0K
描述: IC DAC 8BIT OCTAL MULT 24-SOIC
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝: 31
系列: TrimDAC®
設(shè)置時(shí)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(yīng)商設(shè)備封裝: 24-SOIC
包裝: 管件
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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