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參數資料
型號: AD7468BRTZ-REEL7
廠商: Analog Devices Inc
文件頁數: 24/29頁
文件大小: 0K
描述: IC ADC 8BIT 1.6V LP SOT23-6
標準包裝: 1
位數: 8
采樣率(每秒): 200k
數據接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉換器數目: 1
功率耗散(最大): 900µW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: SOT-23-6
供應商設備封裝: SOT-23-6
包裝: 標準包裝
輸入數目和類型: 1 個單端,單極
產品目錄頁面: 777 (CN2011-ZH PDF)
其它名稱: AD7468BRTZREEL7DKR
AD7466/AD7467/AD7468
Rev. C | Page 3 of 28
SPECIFICATIONS
AD7466
VDD = 1.6 V to 3.6 V, fSCLK = 3.4 MHz, fSAMPLE = 100 kSPS, unless otherwise noted. TA = TMIN to TMAX, unless otherwise noted.
The temperature range for the B version is 40°C to +85°C.
Table 1.
Parameter
B Version
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 30 kHz sine wave
Signal-to-Noise and Distortion (SINAD)
69
dB min
1.8 V ≤ VDD ≤ 2 V; see the Terminology section
70
dB min
2.5 V ≤ VDD ≤ 3.6 V
70
dB typ
VDD = 1.6 V
Signal-to-Noise Ratio (SNR)
70
dB min
1.8 V ≤ VDD ≤ 2 V; see the Terminology section
71
dB typ
1.8 V ≤ VDD ≤ 2 V
71
dB min
2.5 V ≤ VDD ≤ 3.6 V
70.5
dB typ
VDD = 1.6 V
Total Harmonic Distortion (THD)
83
dB typ
See the Terminology section
Peak Harmonic or Spurious Noise (SFDR)
85
dB typ
See the Terminology section
Intermodulation Distortion (IMD)
fa = 29.1 kHz, fb = 29.9 kHz; see the Terminology
section
Second-Order Terms
84
dB typ
Third-Order Terms
86
dB typ
Aperture Delay
10
ns typ
Aperture Jitter
40
ps typ
Full Power Bandwidth
3.2
MHz typ
@ 3 dB, 2.5 V ≤ VDD ≤ 3.6 V
1.9
MHz typ
@ 3 dB, 1.6 V ≤ VDD ≤ 2.2 V
750
kHz typ
@ 0.1 dB, 2.5 V ≤ VDD ≤ 3.6 V
450
kHz typ
@ 0.1 dB, 1.6 V ≤ VDD ≤ 2.2 V
DC ACCURACY
Maximum specifications apply as typical figures when
VDD = 1.6 V
Resolution
12
Bits
Integral Nonlinearity
±1.5
LSB max
See the Terminology section
Differential Nonlinearity
0.9/+1.5
LSB max
Guaranteed no missed codes to 12 bits; see the
Offset Error
±1
LSB max
See the Terminology section
Gain Error
±1
LSB max
See the Terminology section
Total Unadjusted Error (TUE)
±2
LSB max
See the Terminology section
ANALOG INPUT
Input Voltage Ranges
0 to VDD
V
DC Leakage Current
±1
μA max
Input Capacitance
20
pF typ
LOGIC INPUTS
Input High Voltage, VINH
0.7 × VDD
V min
1.6 V ≤ VDD < 2.7 V
2
V min
2.7 V ≤ VDD ≤ 3.6 V
Input Low Voltage, VINL
0.2 × VDD
V max
1.6 V ≤ VDD < 1.8 V
0.3 × VDD
V max
1.8 V ≤ VDD < 2.7 V
0.8
V max
2.7 V ≤ VDD ≤ 3.6 V
Input Current, IIN, SCLK Pin
±1
μA max
Typically 20 nA, VIN = 0 V or VDD
Input Current, IIN, CS Pin
±1
μA typ
Input Capacitance, CIN
10
pF max
Sample tested at 25°C to ensure compliance
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