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參數(shù)資料
| 型號(hào)： | AD8842ARZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 10/13頁 |
| 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 |
| 產(chǎn)品目錄頁面： | 785 (CN2011-ZH PDF) |
REV.
–6–
AD8842–Typical Performance Characteristics
DIGITAL INPUT CODE – Decimal
LINEARITY
ERROR
–
LSB
+1/2
–1/2
+1/2
0
–1/2
0
256
0
192
128
64
DACs A, B, C, D SUPERIMPOSED
DACs E, F, G, H SUPERIMPOSED
TA = +25°C
VDD = +5V
VSS = – 5V
VINX = +3V
0
64
128
0.3
0.2
–0.1
0.1
0
–0.2
–0.3
–0.4
0.4
192
256
LINEARITY
ERROR
–
LSB
DIGITAL INPUT CODE – Decimal
VDD = +5V
VSS = –5V
VINX = +3V
DAC A
TA = –55 °C
TA = +125 °C
TA = +25 °C
0
–10
–20
–30
–40
GAIN
–
dB
10k
10M
100k
1M
FREQUENCY – Hz
–180
–315
0
–90
–45
–135
–225
–270
–360
PHASE
–
Degrees
GAIN
–FS
+FS
PHASE
CODE = ALL ONES
PHASE
CODE = ALL ZEROS
V
IN = ± 100mV
T
A = +25°C
1k
10k
100k
1M
10M
FREQUENCY – Hz
90
0
15
30
45
60
75
105
120
135
CROSSTALK
–
dB
V
IN A = 100mVpp
V
IN B = 0V
T
A = +25°C
dB
INPUT A
OUTPUT B
Figure 4. Linearity Error vs.
Digital Code
Figure 5. Linearity Error vs.
Digital Code vs. Temperature
Figure 6. VOUT Half Scale (80H)
vs. Temperature
Figure 7. Input Resistance (VIN)
vs. Temperature
Figure 8. Total Harmonic Distortion
vs. Frequency
Figure 9. VOUT Slew Rate
vs. Temperature
Figure 10. Gain and Phase vs.
Frequency (Code = 00H or FFH)
Figure 11. DAC Crosstalk
vs. Frequency
Figure 12. Voltage Noise Density
vs. Frequency
–75
–50
–25
0
25
50
75
100
125
TEMPERATURE –
°C
8
0
VINX = –3V
6
4
2
–2
–4
–8
–10
V
OUT
HALF
SCALE
–
mV
VINX = +3V
VDD = +4.75V
VSS = –4.75V
21
–75
–50
100
125
TEMPERATURE –
°C
REFERENCE
INPUT
RESISTANCE
–
k
V
IN = +3V
20
19
18
17
16
–25
0
25
50
75
AVG
AVG +2
σ
AVG –2
σ
V
DD = +4.75V
V
SS = –4.75V
10
100
1k
10k
100k
FREQUENCY – Hz
0.001
100
10
1
0.1
0.01
TOTAL
HARMONIC
DISTORTION
–
%
R
L = 2k
V
IN = +4Vp-p
f
LPF = 80kHz
CODE = FF
H
3
2
–75
–50
–25
25
VDD = +4.75V
VSS = –4.75V
VIN = ±3V
1
0
4
0
50
75
100 125
TEMPERATURE –
°C
SR+
SR–
V
OUT
–
SLEW
RATE
–
V/
s
1
0.4
0
10
100
100k
10k
1k
0.2
0.6
0.8
FREQUENCY – Hz
e
n
–
NOISE
VOLTAGE
(
V/
√Hz
)
TA = +25°C
VIN = 0V
A
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