VOUT B" />
參數(shù)資料
型號: AD7303BRZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 14/16頁
文件大?。?/td> 0K
描述: IC DAC 8BIT DUAL R-R 8-SOIC
產品培訓模塊: Data Converter Fundamentals
DAC Architectures
標準包裝: 1,000
設置時間: 1.2µs
位數(shù): 8
數(shù)據(jù)接口: 串行
轉換器數(shù)目: 2
電壓電源: 單電源
功率耗散(最大): 6.93mW
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SOIC
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 2 電壓,單極;2 電壓,雙極
采樣率(每秒): 833k
AD7303
–7–
REV. 0
T
DAC A = NORMAL OPERATION
DAC B INITIALLY IN POWER
DOWN
1
2
VOUT B
SYNC
DAC B EXITING
POWER DOWN
CH1 2V, CH2 5V, M 500ns
VDD = +5V
INTERNAL REFERENCE
TA = 25 C
Figure 12. Exiting Power-Down
(Partial Power-Down)
Input Code (10 to 245)
INL
ERROR
LSB
0
255
32
64
96
128 160
192
224
DAC B
DAC A
VDD = +5V
INTERNAL REFERENCE
5k
100pF LOAD
LIMITED CODE RANGE (10-245)
TA = 25°C
–0.5
0.4
0.1
–0.1
–0.3
–0.4
0.3
0.2
0
–0.2
0.5
Figure 15. Integral Linearity Plot
I DD
mA
05
0.5
1
1.5
2
2.5
3
3.5
4
4.5
4
0
7
6
2
1
5
3
VDD = +5V
VDD = +3V
Figure 13. Supply Current vs.
Logic Input Voltage
VDD = +5V
INTERNAL REFERENCE
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
–60 –40 –20
0
20
40
60
80 100 120 140
INL
ERROR
LSB
TEMPERATURE – C
Figure 16. Typical INL vs.
Temperature
2
1
VOUT
CH1 5.00V, CH2 50.0mV, M 250ns
SYNC
VDD = +5V
INTERNAL VOLTAGE
REFERENCE
10 LSB STEP CHANGE
TA = 25 C
Figure 14. Small Scale Settling
Time
VDD = +5V
INTERNAL REFERENCE
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
–60 –40 –20
0
20
40
60
80 100 120 140
TEMPERATURE – C
DNL
ERROR
LSB
Figure 17. Typical DNL vs.
Temperature
TEMPERATURE – C
500
400
200
100
0
300
–50
0
50
100
150
VDD = +5.5V
VIL AND VIH = 0V OR VDD
POWER-DOWN
CURRENT
nA
–25
25
75
125
Figure 19. Power-Down Current vs.
Temperature
VDD = +5V
0.6
0.4
0.2
0
–60 –40 –20
0
20
40
60
80 100 120 140
TEMPERATURE – C
INT
REFERENCE
ERROR
% 0.8
1.0
Figure 18. Typical Internal Reference
Error vs. Temperature
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