参数资料
型号: AD7678ASTZRL
厂商: Analog Devices Inc
文件页数: 23/28页
文件大小: 0K
描述: IC ADC 18BIT SAR 100KSPS 48-LQFP
标准包装: 2,000
系列: PulSAR®
位数: 18
采样率(每秒): 100k
数据接口: 串行,并联
转换器数目: 1
功率耗散(最大): 26mW
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: 带卷 (TR)
输入数目和类型: 1 个差分,双极
配用: EVAL-AD7678CB-ND - BOARD EVALUATION FOR AD7678
AD7678
Rev. A | Page 4 of 28
Parameter
Conditions
Min
Typ
Max
Unit
DIGITAL INPUTS
Logic Levels
VIL
–0.3
+0.8
V
VIH
2.0
DVDD + 0.3
V
IIL
–1
+1
μA
IIH
–1
+1
μA
DIGITAL OUTPUTS
Data Format5
Pipeline Delay6
VOL
ISINK = 1.6 mA
0.4
V
VOH
ISOURCE = –500 μA
OVDD – 0.6
V
POWER SUPPLIES
Specified Performance
AVDD
4.75
5
5.25
V
DVDD
4.75
5
5.25
V
OVDD
2.7
DVDD + 0.37
V
Operating Current
100 kSPS Throughput
AVDD
PDBUF High
2.6
mA
1
mA
40
μA
PDBUF High @ 100 kSPS
18
26
mW
PDBUF High @ 1 kSPS
180
μW
PDBUF Low @ 100 kSPS
31
mW
TEMPERATURE RANGE9
Specified Performance
TMIN to TMAX
–40
+85
°C
2 LSB means Least Significant Bit. With the ±4.096 V input range, 1 LSB is 31.25 μV.
3 See the Definition of Specifications section. The nominal gain error is not centered at zero and is 0.029% of FSR. This specification is the deviation from this nominal
value. These specifications do not include the error contribution from the external reference, but do include the error contribution from the reference buffer if used.
4 All specifications in dB are referred to a full-scale input, FS. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
5 Data format parallel or serial 18-bit.
6 Conversion results are available immediately after completed conversion.
7 The maximum should be the minimum of 5.25 V and DVDD + 0.3 V.
8 Tested in Parallel Reading mode.
9 Contact factory for extended temperature range.
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