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參數(shù)資料
| 型號： | AD9281ARSZRL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 8BIT DUAL CMOS 28SSOP |
| 產(chǎn)品培訓(xùn)模塊： | ADC Applications ADC Architectures ADC DC/AC Performance |
| 標(biāo)準(zhǔn)包裝： | 1,500 |
| 位數(shù)： | 8 |
| 采樣率（每秒）： | 28M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 功率耗散（最大）： | 260mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°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： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 4 個(gè)單端，雙極；2 個(gè)差分，雙極 |
–2–
AD9281–SPECIFICATIONS
(AVDD = +3 V, DVDD = +3 V, FSAMPLE = 28 MSPS, VREF = 2 V, INB = 0.5 V, TMIN to TMAX
unless otherwise noted)
Parameter
Symbol
Min
Typ
Max
Units
Condition
RESOLUTION
8
Bits
CONVERSION RATE
FS
28
MHz
(32 MHz at +25
°C)
DC ACCURACY
Differential Nonlinearity
DNL
±0.1
LSB
REFT = 1.0 V, REFB = 0.0 V
Integral Nonlinearity
INL
±0.25
LSB
Differential Nonlinearity (SE)
1
DNL
±0.2
±1.0
LSB
REFT = 1.0 V, REFB = 0.0 V
Integral Nonlinearity (SE)1
INL
±0.3
±1.5
LSB
Zero-Scale Error, Offset Error
EZS
±1
±3.2
% FS
Full-Scale Error, Gain Error
EFS
±1.2
±5.4
% FS
Gain Match
±0.2
LSB
Offset Match
±1.2
LSB
ANALOG INPUT
Input Voltage Range
AIN
–0.5
AVDD/2
V
Input Capacitance
CIN
2pF
Aperture Delay
tAP
4ns
Aperture Uncertainty (Jitter)
tAJ
2ps
Aperture Delay Match
2
ps
Input Bandwidth (–3 dB)
BW
Small Signal (–20 dB)
240
MHz
Full Power (0 dB)
245
MHz
INTERNAL REFERENCE
Output Voltage (1 V Mode)
VREF
1
V
REFSENSE = VREF
Output Voltage Tolerance (1 V Mode)
±10
mV
Output Voltage (2 V Mode)
VREF
2
V
REFSENSE = GND
Output Voltage Tolerance (2 V Mode)
±15
mV
Load Regulation (1 V Mode)
VREF
±10
±35
mV
1 mA Load Current
Load Regulation (2 V Mode)
±15
mV
1 mA Load Current
POWER SUPPLY
Operating Voltage
AVDD
2.7
3
5.5
V
DVDD
2.7
3
5.5
V
Supply Current
IAVDD
75
mA
IDVDD
0.1
mA
Power Consumption
PD
225
260
mW
Power-Down
16
mW
STBY = AVDD, Clock Low
Power Supply Rejection
PSR
0.15
0.75
% FS
DYNAMIC PERFORMANCE
2
Signal-to-Noise and Distortion
SINAD
f = 3.58 MHz
46.4
49.1
dB
f = 14 MHz
48
dB
Signal-to-Noise
SNR
f = 3.58 MHz
47.8
49.2
dB
f = 14 MHz
48.5
dB
Total Harmonic Distortion
THD
f = 3.58 MHz
–67.5
–49.5
dB
f = 14 MHz
–60
dB
Spurious Free Dynamic Range
SFDR
f = 3.58 MHz
49.6
65
dB
f = 14 MHz
56
dB
Two-Tone Intermodulation Distortion
3
IMD
–58
dB
f = 44.9 MHz and 45.52 MHz
Differential Phase
DP
0.2
Degree
NTSC 40 IRE Mod Ramp
Differential Gain
DG
0.08
%
FS = 14.3 MHz
Crosstalk Rejection
–62
dB
REV. F
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