参数资料
型号: AD7666ASTZ
厂商: Analog Devices Inc
文件页数: 22/28页
文件大小: 0K
描述: IC ADC 16BIT UNIPOLAR 48LQFP
标准包装: 1
系列: PulSAR®
位数: 16
采样率(每秒): 500k
数据接口: 串行,并联
转换器数目: 1
功率耗散(最大): 75mW
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: 2 个伪差分,单极
配用: EVAL-AD7666CBZ-ND - BOARD EVALUATION FOR AD7666
AD7666
Rev. 0 | Page 3 of 28
SPECIFICATIONS
Table 2. –40°C to +85°C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
VIN – VINGND
0
VREF
V
Operating Input Voltage
VIN
–0.1
+3
V
VINGND
–0.1
+0.5
V
Analog Input CMRR
fIN = 10 kHz
65
dB
Input Current
500 kSPS Throughput
7.7
A
Input Impedance1
THROUGHPUT SPEED
Complete Cycle
2
s
Throughput Rate
0
500
kSPS
DC ACCURACY
Integral Linearity Error
–2.0
+2.0
LSB2
No Missing Codes
16
Bits
Differential Linearity Error
–1.0
+1.5
LSB
Transition Noise
0.7
LSB
Unipolar Zero Error, TMIN to TMAX3
±5
LSB
Unipolar Zero Error Temperature Drift
±0.5
ppm/°C
Full-Scale Error, TMIN to TMAX 3
REF = 2.5 V
±0.08
% of FSR
Full-Scale Error Temperature Drift
±1.4
ppm/°C
Power Supply Sensitivity
AVDD = 5 V ± 5%
±2
LSB
AC ACCURACY
Signal-to-Noise
fIN = 20 kHz
88
89.2
dB4
Spurious Free Dynamic Range
fIN = 20 kHz
96
107
dB
Total Harmonic Distortion
fIN = 20 kHz
–106
–96
dB
Signal-to-(Noise + Distortion)
fIN = 20 kHz
88
89.1
dB
–60 dB Input, fIN = 20 kHz
30
dB
–3 dB Input Bandwidth
12
MHz
SAMPLING DYNAMICS
Aperture Delay
2
ns
Aperture Jitter
5
ps rms
Transient Response
Full-Scale Step
750
ns
REFERENCE
Internal Reference Voltage
VREF @ 25°C
2.493
2.5
2.507
V
Internal Reference Temperature Drift
–40°C to +85°C
±3
±15
ppm/°C
Output Voltage Hysteresis
–40°C to +85°C
50
ppm
Long Term Drift
100
ppm/1000 Hours
Line Regulation
AVDD = 5 V ± 5%
±15
ppm/V
Turn-On Settling Time
CREF = 10 F
5
ms
Temperature Pin
Voltage Output @ 25°C
300
mV
Temperature Sensitivity
1
mV/°C
Output Resistance
4
k
External Reference Voltage Range
2.3
2.5
AVDD – 1.85
V
External Reference Current Drain
500 kSPS Throughput
120
A
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