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参数资料
| 型号： | ADS7818EB/2K5 |
| 厂商： | Texas Instruments |
| 文件页数： | 12/21页 |
| 文件大小： | 0K |
| 描述： | IC 12-BIT 500KHZ 10MW A/D 8-MSOP |
| 产品培训模块： | Data Converter Basics |
| 标准包装： | 2,500 |
| 位数： | 12 |
| 采样率（每秒）： | 500k |
| 数据接口： | 串行 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 20mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 1 个差分，单极 |
| 配用： | 296-19913-ND - EVAL MOD FOR ADS7818 |
2
ADS7818
SPECIFICATIONS
At TA = –40°C to +85°C, +VCC = +5V, fSAMPLE = 500kHz, fCLK = 16 fSAMPLE, internal reference, unless otherwise specified.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN
assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject
to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not
authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.
ADS7818P, E
ADS7818PB, EB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
ANALOG INPUT
Full-Scale Input Span(1)
+In – (–In)
0
5
TT
V
Absolute Input Range
+In
–0.2
VCC +0.2
TT
V
–In
–0.2
+0.2
TT
V
Capacitance
15
T
pF
Leakage Current
1
T
A
SYSTEM PERFORMANCE
Resolution
12
T
Bits
No Missing Codes
12
T
Bits
Integral Linearity Error
±1
±2
±0.5
±1
LSB(2)
Differential Linearity Error
±0.8
±0.5
±1
LSB
Offset Error
±2
±5
±1
T
LSB
Gain Error(3)
25
°C
±12
±30
±7
±15
LSB
–40
°C to +85°C
±50
±35
LSB
Common-Mode Rejection
DC, 0.2Vp-p
70
T
dB
1MHz, 0.2Vp-p
50
T
dB
Noise
150
T
Vrms
Power Supply Rejection
Worst Case
, +V
CC = 5V ±5%
1.2
T
LSB
SAMPLING DYNAMICS
Conversion Time
1.625
T
s
Acquisition Time
0.350
T
s
Throughput Rate
500
T
kHz
Aperture Delay
5
T
ns
Aperture Jitter
30
T
ps
Step Response
350
T
ns
DYNAMIC CHARACTERISTICS
Signal-to-Noise Ratio
VIN = 5Vp-p at 100kHz
72
T
dB
Total Harmonic Distortion(4)
VIN = 5Vp-p at 100kHz
–78
–72
–82
–75
dB
Signal-to-(Noise+Distortion)
VIN = 5Vp-p at 100kHz
68
70
72
dB
Spurious Free Dynamic Range
VIN = 5Vp-p at 100kHz
72
78
75
82
dB
Usable Bandwidth
SINAD > 68dB
350
T
kHz
REFERENCE OUTPUT
Voltage
IOUT = 0
2.475
2.50
2.525
2.48
T
2.52
V
Source Current(5)
Static Load
50
T
A
Drift
IOUT = 0
20
T
ppm /
°C
Line Regulation
4.75V
≤ V
CC ≤ 5.25V
0.6
T
mV
REFERENCE INPUT
Range
2.0
2.55
TT
V
Resistance(6)
to Internal Reference Voltage
10
TT
T
k
DIGITAL INPUT/OUTPUT
Logic Family
CMOS
T
Logic Levels:
VIH
|IIH| ≤ +5A
3.0
VCC +0.3
TT
V
VIL
|IIL| ≤ +5A
–0.3
0.8
TT
V
VOH
IOH = –500A
3.5
TT
V
VOL
IOL = 500A
0.4
TT
V
Data Format
Straight Binary
T
POWER SUPPLY REQUIREMENT
+VCC
Specified Performance
4.75
5.25
TT
V
Quiescent Current
fSAMPLE = 500kHz
2.2
T
mA
Power Down
0.5
T
mA
Power Dissipation
fSAMPLE = 500kHz
11
20
TT
mW
Power Down
2.5
T
mW
TEMPERATURE RANGE
Specified Performance
–40
+85
TT
°C
T Specifications same as ADS7818P,E.
NOTES: (1) Ideal input span, does not include gain or offset error. (2) LSB means Least Significant Bit, with VREF equal to +2.5V, one LSB is 1.22mV. (3) Measured
relative to an ideal, full-scale input (+In – (–In)) of 4.999V. Thus, gain error includes the error of the internal voltage reference. (4) Calculated on the first nine
harmonics of the input frequency. (5) If the internal reference is required to source current to an external load, the reference voltage will change due to the internal
10k
resistor. (6) Can vary ±30%.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADS7818EB2K5G4 | 制造商:TI 制造商全称:Texas Instruments 功能描述:12-Bit High Speed Low Power Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS7818EVM | 功能描述:数据转换 IC 开发工具 ADS7818 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| ADS7818P | 功能描述:模数转换器 - ADC 12-Bit High Speed Low Power Sampling RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| ADS7818P | 制造商:BURR-BROWN 功能描述:IC 12BIT ADC 7818 DIP8 制造商:Texas Instruments 功能描述:IC 12BIT ADC 500KHZ DIP8 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 500KHZ, DIP8 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 500KHZ, DIP8; Resolution (Bits):12bit; Sampling Rate:500kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:2.2mA; Digital IC Case Style:DIP; No. of Pins:8; Input ;RoHS Compliant: Yes |
| ADS7818PB | 功能描述:模数转换器 - ADC 12-Bit High Speed Low Power Sampling RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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