TA – AMBIENT TEMPERATURE –" />
參數(shù)資料
型號(hào): AD7828LRSZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 12/16頁(yè)
文件大?。?/td> 0K
描述: IC ADC 8BIT 8CHAN HS 28SSOP
標(biāo)準(zhǔn)包裝: 47
位數(shù): 8
采樣率(每秒): 50k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 3
功率耗散(最大): 100mW
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 28-SSOP
包裝: 管件
輸入數(shù)目和類(lèi)型: 8 個(gè)單端,單極
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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