参数资料
型号: AD7699BCPZ
厂商: Analog Devices Inc
文件页数: 23/28页
文件大小: 0K
描述: IC ADC 8CH 16BIT 500KSPS 20LFCSP
标准包装: 1
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): 32mW
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: 20-VFQFN 裸露焊盘,CSP
供应商设备封装: 20-LFCSP-VQ
包装: 托盘
输入数目和类型: 8 个单端,单极;4 个差分,单极;4 个差分,双极;4 个伪差分,双极
产品目录页面: 778 (CN2011-ZH PDF)
AD7699
Data Sheet
Rev.
| Page 4 of 28
Parameter
Conditions/Comments
Min
Typ
Max
Unit
INTERNAL REFERENCE
REF Output Voltage
@ 25°C
4.086
4.096
4.106
V
REFIN Output Voltage6
2.3
V
REF Output Current
±300
μA
Temperature Drift
±10
ppm/°C
Line Regulation
VDD = 5 V ± 5%
±15
ppm/V
Long-Term Drift
1000 hours
50
ppm
Turn-On Settling Time
CREF = 10 μF
5
ms
EXTERNAL REFERENCE
Voltage Range
REF input
0.5
VDD + 0.3
V
REFIN input (buffered)
0.5
VDD 0.2
V
Current Drain
500 kSPS, REF = 5 V
100
μA
TEMPERATURE SENSOR
Output Voltage7
@ 25°C
283
mV
Temperature Sensitivity
1
mV/°C
DIGITAL INPUTS
Logic Levels
VIL
0.3
+0.3 × VIO
V
VIH
0.7 × VIO
VIO + 0.3
V
IIL
1
+1
μA
IIH
1
+1
μA
DIGITAL OUTPUTS
Data Format8
Pipeline Delay9
VOL
ISINK = +500 μA
0.4
V
VOH
ISOURCE = 500 μA
VIO 0.3
V
POWER SUPPLIES
VDD
Specified performance
4.5
5.5
V
VIO
Specified performance
1.8
VDD + 0.3
V
Standby Current10, 11
VDD and VIO = 5 V, @ 25°C
50
nA
Power Dissipation
VDD = 5 V, 100 kSPS throughput
5.2
μW
VDD = 5 V, 500 kSPS throughput
26
29
mW
VDD = 5 V, 500 kSPS throughput with internal reference
28
32
mW
Energy per Conversion
52
nJ
TEMPERATURE RANGE12
Specified Performance
TMIN to TMAX
40
+85
°C
1 See the
section.
2 The bandwidth is set with the configuration register.
3 LSB means least significant bit. With the 5 V input range, one LSB = 76.3 μV.
4 See the Terminology section. These specifications include full temperature range variation but not the error contribution from the reference.
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 This is the output from the internal band gap.
7 The output voltage is internal and present on a dedicated multiplexer input.
8 Unipolar mode: serial 16-bit straight binary.
Bipolar mode: serial 16-bit twos complement.
9 Conversion results available immediately after completed conversion.
10 With all digital inputs forced to VIO or GND as required.
11 During acquisition phase.
12 Contact an Analog Devices, Inc., sales representative for the extended temperature range.
B
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