参数资料
型号: AD7824LNZ
厂商: Analog Devices Inc
文件页数: 12/16页
文件大小: 0K
描述: IC ADC 8BIT LC2MOS 4CH HS 24DIP
产品变化通告: Product Discontinuance 27/Oct/2011
标准包装: 15
位数: 8
采样率(每秒): 100k
数据接口: 并联
转换器数目: 3
功率耗散(最大): 100mW
电压电源: 单电源
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 24-DIP(0.300",7.62mm)
供应商设备封装: 24-PDIP
包装: 管件
输入数目和类型: 8 个单端,单极
Typical Performance Characteristics–AD7824/AD7828
REV. F
–5–
TA – AMBIENT TEMPERATURE – C
3
2
1
–100
150
–50
t CRD
CONVERSION
TIME
s
050
100
VDD = 5V
TPC 1. Conversion Time vs. Temperature
VREF – V
2.0
1.0
0
05
1
LINEARITY
ERR
OR
LSB
*
234
1.5
0.5
VDD = 5V
TA = 25 C
*1LSB =
VREF
256
TPC 2. Accuracy vs. VREF [VREF = VREF (+) – VREF (–)]
INPUT FREQUENCY – kHz
–36
–44
–52
5
1
SNR
dB
23
4
–40
–48
–38
–46
–42
–50
20
30 40 50 70
100
710
ENCODE RATE = 400kHz
INPUT SIGNAL = 5V p-p
MEASUREMENT BANDWIDTH = 80kHz
TPC 3. Signal Noise Ratio vs. Input Frequency
TA – AMBIENT TEMPERATURE – C
14
12
10
–100
150
–50
I DD
SUPPL
Y
CURRENT
mA
050
100
13
11
9
8
VDD = 5.25V
VDD = 4.75V
VDD = 5V
TPC 4. Power Supply Current vs. Temperature
(Not Including Reference Ladder)
tP – ns
2.0
1.0
0
300
LINEARITY
ERR
OR
LSB
1.5
0.5
VDD = 5V
VREF = 5V
TA = 25 C
400
500
600
700
800
900
TPC 5. Accuracy vs. tP
TA – AMBIENT TEMPERATURE – C
8
4
–100
150
–50
OUTPUT
CURRENT
mA
050
100
10
6
2
0
ISOURCE, V OUT = 2.4V
VDD = 5V
ISINK, VOUT = 0.4V
TPC 6. Output Current vs. Temperature
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