AVDD = DVDD <" />
參數(shù)資料
型號: EVAL-AD7767-2EDZ
廠商: Analog Devices Inc
文件頁數(shù): 20/25頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR AD7767
標準包裝: 1
ADC 的數(shù)量: 1
位數(shù): 24
采樣率(每秒): 32k
數(shù)據(jù)接口: 串行
輸入范圍: ±VREF
在以下條件下的電源(標準): 8.5mW @ 32kSPS
工作溫度: -40°C ~ 105°C
已用 IC / 零件: AD7767-2
已供物品: 板,CD
其它名稱: Q3407966
AD7767
Rev. C | Page 3 of
24
SPECIFICATIONS
AVDD = DVDD = 2.5 V ± 5%, VDRIVE = 1.8 V to 3.6 V, VREF = 5 V, MCLK = 1 MHz, common-mode input = VREF/2, TA = 40°C to +105°C,
unless otherwise noted.
Table 2.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
OUTPUT DATA RATE (ODR)
AD7767
Decimate by 8
128
kHz
AD7767-1
Decimate by 16
64
kHz
AD7767-2
Decimate by 32
32
kHz
ANALOG INPUT1
Differential Input Voltage
VIN+ VIN
±VREF
V p-p
Absolute Input Voltage
VIN+
0.1
+VREF + 0.1
V
VIN
0.1
+VREF + 0.1
V
Common-Mode Input Voltage
VREF/2 5%
VREF/2
VREF/2 + 5%
V
Input Capacitance
22
pF
DYNAMIC PERFORMANCE
AD7767
Decimate by 8, ODR = 128 kHz
Dynamic Range2
Shorted inputs
108
109.5
dB
Signal-to-Noise Ratio (SNR)2
Full-scale input amplitude, 1 kHz tone
107
108.5
dB
Spurious-Free Dynamic Range (SFDR)2
Full-scale input amplitude, 1 kHz tone
128
116
dB
Total Harmonic Distortion (THD)2
Full-scale input amplitude, 1 kHz tone
118
105
dB
Intermodulation Distortion (IMD)2
Tone A = 49.7 kHz, Tone B = 50.3 kHz
Second-Order Terms
133
dB
Third-Order Terms
109
dB
AD7767-1
Decimate by 16, ODR = 64 kHz
Dynamic Range2
Shorted inputs
111
112.5
dB
Signal-to-Noise Ratio (SNR)2
Full-scale input amplitude, 1 kHz tone
110
111.5
dB
Spurious-Free Dynamic Range (SFDR)2
Full-scale input amplitude, 1 kHz tone
128
116
dB
Total Harmonic Distortion (THD)2
Full-scale input amplitude, 1 kHz tone
118
105
dB
Intermodulation Distortion (IMD)2
Tone A = 24.7 kHz, Tone B = 25.3 kHz
dB
Second-Order Terms
133
dB
Third-Order Terms
108
dB
AD7767-2
Decimate by 32, ODR = 32 kHz
Dynamic Range2
Shorted inputs
114
115.5
dB
Signal-to-Noise Ratio (SNR)2
Full-scale input amplitude, 1 kHz tone
112
113.5
dB
Spurious-Free Dynamic Range (SFDR)2
Full-scale input amplitude, 1 kHz tone
128
116
dB
Total Harmonic Distortion (THD)2
Full-scale input amplitude, 1 kHz tone
118
105
dB
Intermodulation Distortion (IMD)2
Tone A = 11.7 kHz, Tone B = 12.3 kHz
dB
Second-Order Terms
137
dB
Third-Order Terms
108
dB
DC ACCURACY1
For all devices
Resolution
No missing codes
24
Bits
Differential Nonlinearity2
Guaranteed monotonic to 24 bits
Integral Nonlinearity2
18-bit linearity
±3
±7.6
ppm
Zero Error2
20
μV
Gain Error2
0.0075
0.075
% FS
Zero Error Drift2
15
nV/°C
Gain Error Drift2
0.4
ppm/°C
Common-Mode Rejection Ratio2
50 Hz tone
110
dB
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