AD7824/AD7828–SPECIFICATIONS (V DD = 5 V, V
參數(shù)資料
型號(hào): AD7828BQ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 9/16頁(yè)
文件大?。?/td> 0K
描述: IC ADC 8BIT 8CH HS 28-CDIP
標(biāo)準(zhǔn)包裝: 12
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: -40°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 28-CDIP(0.600",15.24mm)
供應(yīng)商設(shè)備封裝: 28-CDIP
包裝: 管件
輸入數(shù)目和類型: 8 個(gè)單端,單極
REV. F
–2–
AD7824/AD7828–SPECIFICATIONS (V
DD = 5 V, VREF (+) = 5 V, VREF (–) = GND = O V, unless otherwise
noted. All specifications TMIN to TMAX, unless otherwise noted. Specifications apply to Mode 0.)
Parameter
K Version
1
L Version
B, T Versions
C, U Versions Unit
Conditions/Comments
ACCURACY
Resolution
8
Bits
Total Unadjusted Error
2
±1
±1/2
±1
±1/2
LSB max
Minimum Resolution for which
No Missing Codes Are Guaranteed 8
8
Bits
Channel-to-Channel Mismatch
±1/4
LSB max
REFERENCE INPUT
Input Resistance
1.0/4.0
k
min/k max
VREF (+) Input Voltage Range
VREF (–)/
V min/V max
VDD
VREF (–) Input Voltage Range
GND/
V min/V max
VREF (+)
ANALOG INPUT
Input Voltage Range
VREF (–)/
V min/V max
VREF (+)
Input Leakage Current
±3
A max
Analog Input Any Channel
Input Capacitance
3
45
pF typ
0 V to 5 V
LOGIC INPUTS
RD, CS, A0, A1, and A2
VINH
2.4
V min
VINL
0.8
V max
IINH
11
1
A max
IINL
–1
A max
Input Capacitance
3
88
pF max
Typically 5 pF
LOGIC OUTPUTS
DB0–DB7 and
INT
VOH
4.0
V min
ISOURCE = 360
A
VOL
0.4
V max
ISINK = 1.6 mA
IOUT (DB0–DB7)
±3
A max
Floating State Leakage
Output Capacitance
3
88
pF max
Typically 5 pF
RDY
VOL
4
0.4
V max
ISINK = 2.6 mA
IOUT
±3
A max
Floating State Leakage
Output Capacitance
8
pF max
Typically 5 pF
SLEW RATE, TRACKING
3
0.7
V/
s typ
0.157
V/
s max
POWER SUPPLY
VDD
55
5
V
±5% for Specified
Performance
IDD
5
16
20
mA max
CS = RD = 2.4 V
Power Dissipation
50
mW typ
80
100
mW max
Power Supply Sensitivity
±1/4
LSB max
±1/16 LSB typ
VDD = 5 V
± 5%
NOTES
1Temperature ranges are as follows:
K, L Versions: 0
°C to 70°C
B, C Versions: –40
°C to +85°C
T, U Versions: –55
°C to +125°C
2Total Unadjusted Error includes offset, full-scale and linearity errors.
3Sample tested at 25
°C by Product Assurance to ensure compliance.
4RDY is an open-drain output.
5See Typical Performance Characteristics.
Specifications subject to change without notice.
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