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參數(shù)資料
| 型號(hào)： | AD7828LRSZ |
| 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 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)目和類型： | 8 個(gè)單端，單極 |
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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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