AVDD/DVDD
參數(shù)資料
型號(hào): AD7482BSTZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 16/21頁(yè)
文件大?。?/td> 0K
描述: IC ADC 12BIT SAR 3MSPS 48-LQFP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 12
采樣率(每秒): 3M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 90mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 托盤
輸入數(shù)目和類型: 1 個(gè)單端,單極
產(chǎn)品目錄頁(yè)面: 778 (CN2011-ZH PDF)
AD7482
Rev. B | 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. The 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
71
dB
fIN = 1 MHz
72
dB
fIN = 1 MHz
71
dB
fIN = 1 MHz, internal reference
Total Harmonic Distortion (THD)3
86
dB
90
dB
88
dB
Internal reference
Peak Harmonic or Spurious Noise (SFDR)3
87
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
12
Bits
Integral Nonlinearity3
±0.5
LSB
B Grade
±0.25
±1
LSB
A Grade
Differential Nonlinearity3
±0.25
±0.5
LSB
Guaranteed no missed codes to
12 bits
Offset Error3
±1.5
LSB
0.036
%FSR
Gain Error3
±1.5
LSB
0.036
%FSR
ANALOG INPUT
Input Voltage
200
mV
+2.7
V
DC Leakage Current
±1
μA
VIN from 0 V to 2.7 V
±2
μA
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
μA
Input Capacitance, VREFIN4
25
pF
Input Current, VREFIN
220
μA
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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