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參數(shù)資料
| 型號(hào)： | AD7451ARTZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 22/25頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT DIFF 1MSPS SOT23-8 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 12 |
| 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）： | 9.25mW |
| 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-23-8 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-8 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 輸入數(shù)目和類型： | 1 個(gè)偽差分，單極 |
| 其它名稱： | AD7451ARTZ-REEL7DKR |
AD7441/AD7451
Rev. D | Page 5 of 24
VDD = 2.7 V to 5.25 V; fSCLK = 18 MHz; fS = 1 MSPS; VREF = 2.5 V; TA = TMIN to TMAX, unless otherwise noted. Temperature range for
B version: 40°C to +85°C.
Table 2. AD7441
Parameter
Test Conditions/Comments
B Version
Unit
DYNAMIC PERFORMANCE
fIN = 100 kHz
Signal-to-(Noise + Distortion) (SINAD)1
61
dB min
Total Harmonic Distortion (THD)1
2.7 V to 3.6 V; 77 dB typical
72
dB max
4.75 V to 5.25 V; 79 dB typical
73
dB max
Peak Harmonic or Spurious Noise1
2.7 V to 3.6 V; 80 dB typical
72
dB max
4.75 V to 5.25 V; 82 dB typical
74
dB max
Intermodulation Distortion (IMD)1
fa = 90 kHz, fb = 110 kHz
Second-Order Terms
80
dB typ
Third-Order Terms
80
dB typ
Aperture Delay1
5
ns typ
Aperture Jitter1
50
ps typ
Full-Power Bandwidth1, 2
@ 3 dB
20
MHz typ
@ 0.1 dB
2.5
MHz typ
DC ACCURACY
Resolution
10
Bits
Integral Nonlinearity (INL)1
±0.5
LSB max
Differential Nonlinearity (DNL)1
Guaranteed no missed codes to 10 bits
±0.5
LSB max
Offset Error1
±1
LSB max
Gain Error1
±1
LSB max
ANALOG INPUT
Full-Scale Input Span
VIN+ VIN–
VREF
V
Absolute Input Voltage
VIN+
VREF
V
VIN–3
VDD = 2.7 V to 3.6 V
0.1 to +0.4
V
VDD = 4.75 V to 5.25 V
0.1 to +1.5
V
DC Leakage Current
±1
μA max
Input Capacitance
When in track-and-hold
30/10
pF typ
REFERENCE INPUT
±1% tolerance for specified performance
2.5
V
DC Leakage Current
±1
μA max
VREF Input Capacitance
When in track-and-hold
10/30
pF typ
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
Input Low Voltage, VINL
0.8
V max
Input Current, IIN
Typically 10 nA, VIN = 0 V or VDD
±1
μA max
Input Capacitance, CIN5
10
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
VDD = 4.75 V to 5.25 V; ISOURCE = 200 μA
2.8
V min
VDD = 2.7 V to 3.6 V; ISOURCE = 200 μA
2.4
V min
Output Low Voltage, VOL
ISINK = 200 μA
0.4
V max
Floating-State Leakage Current
±1
μA max
Floating-State Output Capacitance5
10
pF max
Output Coding
Straight (natural) binary
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