VDD = 2.8 V to 3.6 V; V
參數(shù)資料
型號: AD7298BCPZ-RL7
廠商: Analog Devices Inc
文件頁數(shù): 20/25頁
文件大?。?/td> 0K
描述: IC ADC 10BIT SPI/SRL 8CH 20LFCSP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 12
采樣率(每秒): 1M
數(shù)據(jù)接口: DSP,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 22.7mW
電壓電源: 單電源
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-WFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 20-LFCSP-WQ(4x4)
包裝: 標(biāo)準(zhǔn)包裝
輸入數(shù)目和類型: 8 個(gè)單端,單極
其它名稱: AD7298BCPZ-RL7DKR
AD7298
Rev. B | Page 3 of 24
SPECIFICATIONS
VDD = 2.8 V to 3.6 V; VDRIVE = 1.65 V to 3.6 V; fSAMPLE = 1 MSPS, fSCLK = 20 MHz, VREF = 2.5 V internal; TA = 40°C to +125°C, unless
otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 50 kHz sine wave
Signal-to-Noise Ratio (SNR)1, 2
70
72
dB
Signal-to-Noise (and Distortion) Ratio (SINAD)1
70
71
dB
Total Harmonic Distortion (THD)1
82
77
dB
Spurious-Free Dynamic Range (SFDR)
84
77.5
dB
Intermodulation Distortion (IMD)
fA = 40.1 kHz, fB = 41.5 kHz
Second-Order Terms
84
dB
Third-Order Terms
93
dB
Channel-to-Channel Isolation
100
dB
fIN = 50 kHz, fNOISE = 60 kHz
SAMPLE AND HOLD
Aperture Delay3
12
ns
Aperture Jitter3
40
ps
Full Power Bandwidth
30
MHz
@ 3 dB
10
MHz
@ 0.1 dB
DC ACCURACY
Resolution
12
Bits
Integral Nonlinearity (INL)1
±0.5
±1
LSB
Differential Nonlinearity (DNL)1
±0.5
±0.99
LSB
Guaranteed no missed codes to 12 bits
Offset Error1
±2
±4.5
LSB
Offset Error Matching1
±2.5
±4.5
LSB
Offset Temperature Drift
4
ppm/°C
Gain Error1
±1
±4
LSB
Gain Error Matching1
±1
±2.5
LSB
Gain Temperature Drift
0.5
ppm/°C
ANALOG INPUT
Input Voltage Ranges
0
VREF
V
DC Leakage Current
±0.01
±1
μA
Input Capacitance
32
pF
When in track
8
pF
When in hold mode
REFERENCE INPUT/OUTPUT
Reference Output Voltage4
2.4925
2.5
2.5075
V
±0.3% maximum @ 25°C
Long-Term Stability
150
ppm
For 1000 hours
Output Voltage Hysteresis
50
ppm
Reference Input Voltage Range5
1
2.5
V
DC Leakage Current
±0.01
±1
μA
External reference applied to Pin VREF
VREF Output Impedance
1
Ω
VREF Temperature Coefficient
12
35
ppm/°C
VREF Noise
60
μV rms
Bandwidth = 10 MHz
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