参数资料
型号: AD7693BCPZRL7
厂商: Analog Devices Inc
文件页数: 18/24页
文件大小: 0K
描述: IC ADC 16BIT 500KSPS 10-LFCSP
标准包装: 1
系列: PulSAR®
位数: 16
采样率(每秒): 500k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 21.5mW
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: 10-WFDFN 裸露焊盘,CSP
供应商设备封装: 10-LFCSP-WD(3x3)
包装: 标准包装
输入数目和类型: 1 个差分,双极
其它名称: AD7693BCPZRL7DKR
AD7693
Rev. A | Page 3 of 24
SPECIFICATIONS
VDD = 4.5 V to 5.5 V, VIO = 2.3 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Conditions/Comments
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
IN+ (IN)
VREF
+VREF
V
Absolute Input Voltage
IN+, IN
0.1
VREF + 0.1
V
Common-Mode Input Range
IN+, IN
VREF/2 – 0.1
VREF/2
VREF/2 + 0.1
V
Analog Input CMRR
fIN = 250 kHz
65
dB
Leakage Current at 25°C
Acquisition phase
1
nA
Input Impedance1
THROUGHPUT
Conversion Rate
0
500
kSPS
Transient Response
Full-scale step
400
ns
ACCURACY
No Missing Codes
16
Bits
Integral Linearity Error
0.5
±0.25
+0.5
LSB2
Differential Linearity Error
0.5
±0.25
+0.5
LSB
Transition Noise
REF = VDD = 5 V
0.35
LSB
Gain Error3
20
±0.5
+20
LSB
Gain Error Temperature Drift
±0.3
ppm/°C
Zero Error3
5
±0.5
+5
LSB
Zero Temperature Drift
±0.3
ppm/°C
Power Supply Sensitivity
VDD = 5 V
± 5%
±1
ppm
AC ACCURACY4
Dynamic Range
96
96.5
dB5
Signal-to-Noise
fIN = 1 kHz
95.5
96
dB
fIN = 10 kHz
95.5
dB
fIN = 100 kHz
93
dB
fIN = 1 kHz, VREF = 2.5 V
93
dB
Signal-to-(Noise + Distortion)
fIN = 1 kHz
95.5
96
dB
fIN = 10 kHz
95.5
dB
fIN = 100 kHz
90
dB
Total Harmonic Distortion
fIN = 1 kHz
120
108
dB
fIN = 10 kHz
113
dB
fIN = 100 kHz
92
dB
Spurious-Free Dynamic Range
fIN = 1 kHz
120
dB
fIN = 10 kHz
114
dB
fIN = 100 kHz
93.5
dB
Intermodulation Distortion6
115
dB
1 See the Analog Inputs section.
2 LSB means least significant bit. With the ±5 V input range, one LSB is 152.6 μV.
3 See the Terminology section. These specifications include full temperature range variation but not the error contribution from the external reference.
4 With VREF = 5 V, unless otherwise noted.
5 All specifications expressed in decibels are referred to a full-scale input FSR and tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
6 fIN1 = 21.4 kHz and fIN2 = 18.9 kHz, with each tone at 7 dB below full scale.
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