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参数资料
| 型号： | ADS7815UE4 |
| 厂商： | Texas Instruments |
| 文件页数： | 10/16页 |
| 文件大小： | 0K |
| 描述： | IC 16BIT 250KHZ ADC CONV 28-SOIC |
| 产品培训模块： | Data Converter Basics |
| 标准包装： | 20 |
| 位数： | 16 |
| 采样率（每秒）： | 250k |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 250mW |
| 电压电源： | 双 ± |
| 工作温度： | -25°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC |
| 包装： | 管件 |
| 输入数目和类型： | 1 个单端，双极 |
ADS7815
3
SBAS065B
www.ti.com
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
±2.5V
V
Impedance
100
M
Capacitance
30
pF
THROUGHPUT SPEED
Conversion Cycle
Acquire and Convert
4.0
s
Throughput Rate
250
kHz
DC ACCURACY
Integral Linearity Error
±4
LSB(1)
No Missing Codes
15
Bits
Transition Noise(2)
0.8
LSB
Full Scale Error(3)
±0.1
%
Full Scale Error Drift
±7
ppm/
°C
Bipolar Zero Error
±2mV
Bipolar Zero Error Drift
±2
ppm/
°C
Power Supply Sensitivity
+VS ±5%, –VS ±5%
±6LSB
AC ACCURACY
Spurious-Free Dynamic Range
fIN = 100kHz
96
100
dB(4)
Total Harmonic Distortion
fIN = 100kHz
–98
–94
dB
Signal-to-(Noise+Distortion)
fIN = 100kHz
82
dB
–60dB Input
28
dB
Signal-to-Noise
fIN = 100kHz
82
dB
Usable Bandwidth(5)
1MHz
Aperture Delay
40
ns
REFERENCE
Internal Reference Voltage
2.45
2.5
2.55
V
Internal Reference Source Current
1
A
External Reference Voltage Range
2.3
2.5
2.7
V
External Reference Current Drain
VREF = +2.5V
100
A
DIGITAL INPUTS
Logic Levels
VIL
–0.3
+0.8
V
VIH
+2.8
+VS +0.3V
V
IIL
±10
A
IIH
±10
A
DIGITAL OUTPUTS
Data Format
Data Coding
VOL
ISINK = 1.6mA
+0.4
V
VOH
ISOURCE = 200A+4
V
Leakage Current
High-Z State,
±5
A
VOUT = 0V to VDIG
Output Capacitance
High-Z State
15
pF
DIGITAL TIMING
Bus Access Time
83
ns
Bus Relinquish Time
83
ns
POWER SUPPLIES
+VS
+4.75
+5
+5.25
V
–VS
–5.25
–5
–4.75
V
+IS
+30
mA
–IS
–10
mA
Power Dissipation
200
250
mW
TEMPERATURE RANGE
Specified Performance
–25
+85
°C
Storage
–55
+125
°C
NOTES: (1) LSB means Least Significant Bit. For the 16-bit,
±2.5V input ADS7815, one LSB is 76V.
(2) Typical rms noise at worst case transitions and temperatures.
(3) Full scale error is the worst case of –Full Scale or +Full Scale untrimmed deviation from ideal first and last code transitions, divided by the
transition voltage (not divided by the full-scale range) and includes the effect of offset error.
(4) All specifications in dB are referred to a full-scale
±2.5V input.
(5) Full-Power Bandwidth defined as Full-Scale input frequency at which Signal-to-(Noise+Distortion) degrades to 60dB, or 10 bits of accuracy.
ELECTRICAL CHARACTERISTICS
At TA = –25°C to +85°C, fS = 250kHz, +VS = +5V, and –VS = –5V, using internal reference, unless otherwise specified.
ADS7815U
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Parallel 16 bits
Binary Two’s Complement
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADS7815UG4 | 功能描述:模数转换器 - ADC 16-Bit 250kHz Sampling CMOS 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 |
| ADS7816 | 制造商:BB 制造商全称:BB 功能描述:12-Bit High Speed Micro Power Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS7816B | 制造商:BB 制造商全称:BB 功能描述:12-Bit High Speed Micro Power Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS7816C | 制造商:Texas Instruments 功能描述: |
| ADS7816E | 制造商:Texas Instruments 功能描述: |
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