参数资料
型号: AD7484BSTZ
厂商: Analog Devices Inc
文件页数: 14/20页
文件大小: 0K
描述: IC ADC 14BIT SAR 3MSPS 48-LQFP
标准包装: 1
位数: 14
采样率(每秒): 3M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 90mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 托盘
输入数目和类型: 1 个单端,单极
产品目录页面: 778 (CN2011-ZH PDF)
配用: EVAL-AD7484CBZ-ND - BOARD EVALUATION FOR AD7484
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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