AD7824 データシートの表示（PDF） - Analog Devices
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AD7824 Datasheet PDF : 16 Pages
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Typical Performance Characteristics–AD7824/AD7828
3
14
13
12
VDD = 5V
2
11
VDD = 5.25V
VDD = 5V
1
–100
–50
0
50
100
150
TA – AMBIENT TEMPERATURE – ؇C
TPC 1. Conversion Time vs. Temperature
10
9
VDD = 4.75V
8
–100
–50
0
50
100
150
TA – AMBIENT TEMPERATURE – ؇C
TPC 4. Power Supply Current vs. Temperature
(Not Including Reference Ladder)
2.0
2.0
VDD = 5V
TA = 25؇C
1.5
1.5
VDD = 5V
VREF = 5V
TA = 25؇C
1.0
1.0
0.5
0.5
0
0
1
2
3
4
5
*1LSB = VREF
256
VREF – V
TPC 2. Accuracy vs. VREF [VREF = VREF (+) – VREF (–)]
–36
ENCODE RATE = 400kHz
–38 INPUT SIGNAL = 5V p-p
MEASUREMENT BANDWIDTH = 80kHz
–40
–42
–44
–46
–48
–50
–52
1
2 3 4 5 7 10
20 30 40 50 70 100
INPUT FREQUENCY – kHz
TPC 3. Signal Noise Ratio vs. Input Frequency
0
300
400
500
600
700
800
900
tP – ns
TPC 5. Accuracy vs. tP
10
VDD = 5V
8
ISOURCE, V OUT = 2.4V
6
4
ISINK, VOUT = 0.4V
2
0
–100
–50
0
50
100
150
TA – AMBIENT TEMPERATURE – ؇C
TPC 6. Output Current vs. Temperature
REV. F
–5–
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