参数资料
| 型号： | AD7675ACPZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 12/20页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT SAR 100KSPS 48LFCSP |
| 标准包装： | 1 |
| 系列： | PulSAR® |
| 位数： | 16 |
| 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）： | 25mW |
| 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-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 48-LFCSP-VQ（7x7） |
| 包装： | 托盘 |
| 输入数目和类型： | 1 个差分，双极 |
| 配用： | EVAL-AD7675CBZ-ND - BOARD EVALUATION FOR AD7675 |
REV. A
–2–
AD7675–SPECIFICATIONS
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
VIN+ – VIN–
–VREF
+VREF
V
Operating Input Voltage
VIN+, VIN– to AGND
–0.1
+3
V
Analog Input CMRR
fIN = 10 kHz
79
dB
Input Current
100 kSPS Throughput
1
A
Input Impedance
See Analog Input Section
THROUGHPUT SPEED
Complete Cycle
10
s
Throughput Rate
0
100
kSPS
DC ACCURACY
Integral Linearity Error
–1.5
+1.5
LSB
1
No Missing Codes
16
Bits
Transition Noise
0.35
LSB
+Full-Scale Error
2
–22
+22
LSB
–Full-Scale Error
2
–22
+22
LSB
Zero Error
2
–8
+8
LSB
Power Supply Sensitivity
AVDD = 5 V
± 5%
±0.5
LSB
AC ACCURACY
Signal-to-Noise
fIN = 20 kHz
92
94
dB
3
fIN = 45 kHz
94
dB
3
Spurious Free Dynamic Range
fIN = 20 kHz
104.5
110
dB
3
fIN = 45 kHz
110
dB
3
Total Harmonic Distortion
fIN = 20 kHz
–110
–103.5
dB
3
fIN = 45 kHz
–110
dB
3
Signal-to-(Noise+Distortion)
fIN = 20 kHz
92
94
dB
3
fIN = 45 kHz
94
dB
3
fIN = 45 kHz, –60 dB Input
34
dB
3
–3 dB Input Bandwidth
3.9
MHz
SAMPLING DYNAMICS
Aperture Delay
2ns
Aperture Jitter
5
ps rms
Transient Response
Full-Scale Step
8.75
s
REFERENCE
External Reference Voltage Range
2.3
2.5
AVDD – 1.85
V
External Reference Current Drain
100 kSPS Throughput
35
A
DIGITAL INPUTS
Logic Levels
VIL
–0.3
+0.8
V
VIH
2.0
DVDD + 0.3
V
IIL
–1
+1
A
IIH
–1
+1
A
DIGITAL OUTPUTS
Data Format
Parallel or Serial 16-Bit Conversion Results Available
Pipeline Delay
Immediately After Completed Conversion
VOL
ISINK = 1.6 mA
0.4
V
VOH
ISOURCE = –100
A
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
5.25
4
V
Operating Current
300 kSPS Throughput
AVDD
3mA
DVDD
5
750
A
OVDD
5
7.5
A
Power Dissipation
5
100 kSPS Throughput
17
25
mW
100 SPS Throughput
15
W
In Power-Down Mode
5
7
W
TEMPERATURE RANGE
7
Specified Performance
TMIN to TMAX
–40
+85
°C
NOTES
1LSB means Least Significant Bit. With the
±2.5 V input range, one LSB is 76.3 V.
2See Definition of Specifications section. These specifications do not include the error contribution from the external reference.
3All 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.
4The max should be the minimum of 5.25 V and DVDD + 0.3 V.
5Tested in Parallel Reading Mode.
6With OVDD below DVDD + 0.3 V and all digital inputs forced to DVDD or DGND, respectively.
7Contact factory for extended temperature range.
Specifications subject to change without notice.
(–40 C to +85 C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.)
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