AVDD/DVDD
參數(shù)資料
型號: EVAL-AD7484CBZ
廠商: Analog Devices Inc
文件頁數(shù): 14/20頁
文件大小: 0K
描述: BOARD EVALUATION FOR AD7484
標準包裝: 1
ADC 的數(shù)量: 1
位數(shù): 14
采樣率(每秒): 3M
數(shù)據(jù)接口: 并聯(lián)
輸入范圍: 0 ~ 2.5 V
在以下條件下的電源(標準): 90mW @ 3MSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD7484
已供物品: 板,CD
相關產品: AD7484BSTZ-ND - IC ADC 14BIT SAR 3MSPS 48-LQFP
AD7484
Rev. C | Page 3 of 20
SPECIFICATIONS
AVDD/DVDD = 5 V ± 5%, AGND = DGND = 0 V, VREF = external, fSAMPLE = 3 MSPS; all specifications TMIN to TMAX and valid for VDRIVE = 2.7 V
to 5.25 V, unless otherwise noted. Operating temperature range is 40°C to +85°C.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE1, 2
Signal-to-Noise + Distortion (SINAD)3
76.5
dB
fIN = 1 MHz
78
dB
fIN = 1 MHz
79
dB
fIN = 1 MHz, extended input
77
dB
fIN = 1 MHz, internal reference
Total Harmonic Distortion (THD)3
90
dB
95
dB
92
dB
Internal reference
Peak Harmonic or Spurious Noise
(SFDR)3
90
dB
Intermodulation Distortion (IMD)3
Second Order Terms
96
dB
fIN1 = 95.053 kHz, fIN2 = 105.329 kHz
Third Order Terms
94
dB
Aperture Delay
10
ns
Full Power Bandwidth
40
MHz
@ 3 dB
3.5
MHz
@ 0.1 dB
DC ACCURACY
Resolution
14
Bits
Integral Nonlinearity3
±0.5
±1
LSB
Differential Nonlinearity3
±0.3
±0.75
LSB
Guaranteed no missed codes to 14 bits
Offset Error3
±6
LSB
0.036
%FSR
Gain Error3
±6
LSB
0.036
%FSR
ANALOG INPUT
Input Voltage
200
mV
+2.7
V
DC Leakage Current
±1
A
VIN from 0 V to 2.7 V
±2
A
VIN = 200 mV
Input Capacitance4
35
pF
REFERENCE INPUT/OUTPUT
Input Voltage, VREFIN
+2.5
V
± 1% for specified performance
Input DC Leakage Current, VREFIN
±1
A
Input Capacitance, VREFIN4
25
pF
Input Current, VREFIN
220
A
External reference
Output Voltage, VREFOUT
+2.5
V
Error @ 25°C, VREFOUT
±50
mV
Error TMIN to TMAX, VREFOUT
±100
mV
Output Impedance, VREFOUT
1
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