参数资料
型号: AD7980ARMZ
厂商: Analog Devices Inc
文件页数: 22/28页
文件大小: 0K
描述: ADC 16BIT 1MSPS LP 10-MSOP
标准包装: 1
系列: PulSAR®
位数: 16
采样率(每秒): 1M
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 10mW
电压电源: 单电源
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 管件
输入数目和类型: 1 个伪差分,单极
Data Sheet
AD7980
Rev. C | Page 3 of 28
SPECIFICATIONS
VDD = 2.5 V, VIO = 2.3 V to 5.5 V, VREF = 5 V, TA = –40°C to +125°C, unless otherwise noted.
Table 2.
A Grade
B Grade
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
IN+ IN
0
VREF
0
VREF
V
Absolute Input Voltage
IN+
0.1
VREF + 0.1
0.1
VREF + 0.1
V
IN
0.1
+0.1
0.1
+0.1
V
Analog Input CMRR
fIN = 100 kHz
60
dB
Leakage Current at 25°C
Acquisition phase
1
nA
Input Impedance
See the
See the
ACCURACY
No Missing Codes
16
Bits
Differential Linearity Error
REF = 5 V
1.0
±0.5
+2.0
0.9
±0.4
+0.9
REF = 2.5 V
±0.7
±0.55
Integral Linearity Error
REF = 5 V
2.5
±1.5
+2.5
1.25
±0.6
+1.25
REF = 2.5 V
±1.65
±0.65
Transition Noise
REF = 5 V
0.75
0.6
REF = 2.5 V
1.2
1.0
LSB1
Gain Error, TMIN to TMAX2
±2
LSB1
Gain Error Temperature Drift
±0.35
ppm/°C
Zero Error, TMIN to TMAX2
1.0
±0.08
+1.0
0.5
±0.08
+0.5
mV
Zero Temperature Drift
0.54
ppm/°C
Power Supply Sensitivity
VDD = 2.5 V ± 5%
±0.1
THROUGHPUT
Conversion Rate
VIO ≥ 2.3 V up to 85°C, VIO ≥
3.3 V above 85°C up to 125°C
0
1
0
1
MSPS
Transient Response
Full-scale step
290
ns
AC ACCURACY
Dynamic Range
VREF = 5 V
91
92
VREF = 2.5 V
86
87
Oversampled Dynamic Range
fO = 10 kSPS
110
111
Signal-to-Noise Ratio, SNR
fIN = 10 kHz, VREF = 5 V
90
91
fIN = 10 kHz, VREF = 2.5 V
85.5
86.5
Spurious-Free Dynamic Range, SFDR
fIN = 10 kHz
103.5
110
Total Harmonic Distortion, THD
fIN = 10 kHz
101
114
Signal-to-(Noise + Distortion), SINAD
fIN = 10 kHz, VREF = 5 V
90.5
91.5
fIN = 10 kHz, VREF = 2.5 V
86.0
87.0
1
LSB means least significant bit. With the 5 V input range, 1 LSB is 76.3 V.
2
See the Terminology section. These specifications include full temperature range variation, but not the error contribution from the external reference.
3
All specifications in dB are referred to a full-scale input FSR. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
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