A version: VDD
參數(shù)資料
型號(hào): AD7478ARTZ-500RL7
廠商: Analog Devices Inc
文件頁數(shù): 20/25頁
文件大?。?/td> 0K
描述: IC ADC 8BIT 1MSPS LP SOT23-6
標(biāo)準(zhǔn)包裝: 500
位數(shù): 8
采樣率(每秒): 1M
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 17.5mW
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(yīng)商設(shè)備封裝: SOT-23-6
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)單端,單極
AD7476/AD7477/AD7478
Rev. F | Page 3 of 24
SPECIFICATIONS
AD7476 SPECIFICATIONS
A version: VDD = 2.7 V to 5.25 V, fSCLK = 20 MHz, fSAMPLE = 1 MSPS, unless otherwise noted; S and B versions: VDD = 2.35 V to 5.25 V,
fSCLK = 12 MHz, fSAMPLE = 600 kSPS, unless otherwise noted; TA = TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
A Version1,2
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 100 kHz sine wave
Signal-to-(Noise + Distortion) (SINAD)3
69
70
69
dB min
B version, VDD = 2.4 V to 5.25 V
70
dB min
TA = 25°C
71.5
dB typ
Signal-to-Noise Ratio (SNR)3
70
71
70
dB min
B version, VDD = 2.4 V to 5.25 V
72.5
dB typ
Total Harmonic Distortion (THD)3
80
78
dB typ
Peak Harmonic or Spurious Noise (SFDR)3
82
80
dB typ
Intermodulation Distortion (IMD)3
Second-Order Terms
78
dB typ
fa = 103.5 kHz, fb = 113.5 kHz
Third-Order Terms
78
dB typ
fa = 103.5 kHz, fb = 113.5 kHz
Aperture Delay
10
ns typ
Aperture Jitter
30
ps typ
Full Power Bandwidth
6.5
MHz typ
@ 3 dB
DC ACCURACY
S, B versions, VDD = (2.35 V to 3.6 V)4;
A version, VDD = (2.7 V to 3.6 V)
Resolution
12
Bits
Integral Nonlinearity3
±1.5
LSB max
±1
±0.6
LSB typ
Differential Nonlinearity3
0.9/+1.5
LSB max
Guaranteed no missed codes to 12 bits
±0.75
LSB typ
Offset Error3
±1.5
±2
LSB max
±0.5
LSB typ
Gain Error3
±1.5
±2
LSB max
±0.5
LSB typ
ANALOG INPUT
Input Voltage Ranges
0 to VDD
V
DC Leakage Current
±1
μA max
Input Capacitance
30
pF typ
LOGIC INPUT
Input High Voltage, VINH
2.4
V min
1.8
V min
VDD = 2.35 V
Input Low Voltage, VINL
0.4
V max
VDD = 3 V
0.8
V max
VDD = 5 V
Input Current, IIN, SCLK Pin
±1
μA max
Typically 10 nA, VIN = 0 V or VDD
Input Current, IIN, CS Pin
±1
μA typ
Input Capacitance, CIN5
10
pF max
LOGIC OUTPUT
Output High Voltage, VOH
VDD 0.2
V min
ISOURCE = 200 μA; VDD = 2.35 V to 5.25 V
Output Low Voltage, VOL
0.4
V max
ISINK = 200 μA
Floating-State Leakage Current
±10
μA max
Floating-State Output Capacitance5
10
pF max
Output Coding
Straight (Natural) Binary
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