- 您现在的位置：买卖IC网 > PDF目录10302 > AD7401YRWZ-REEL7 (Analog Devices Inc)IC MODULATOR SIGMA-DELTA 16SOIC PDF资料下载
参数资料
| 型号： | AD7401YRWZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | IC MODULATOR SIGMA-DELTA 16SOIC |
| 标准包装： | 400 |
| 位数： | 16 |
| 采样率（每秒）： | 20M |
| 数据接口： | 串行 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 93.5mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 1 个差分，双极 |
AD7401
Rev. D | Page 12 of 20
TERMINOLOGY
Differential Nonlinearity
Differential nonlinearity is the difference between the measured
and the ideal 1 LSB change between any two adjacent codes in
the ADC.
Integral Nonlinearity
Integral nonlinearity is the maximum deviation from a straight
line passing through the endpoints of the ADC transfer function.
The endpoints of the transfer function are specified negative
full-scale, 200 mV (VIN+ VIN), Code 12,288 for the 16-bit
level, and specified positive full-scale, +200 mV (VIN+ VIN),
Code 53,248 for the 16-bit level.
Offset Error
Offset error is the deviation of the midscale code (Code 32,768
for the 16-bit level) from the ideal VIN+ VIN (that is, 0 V).
Gain Error
Gain error includes both positive full-scale gain error and
negative full-scale gain error. Positive full-scale gain error is the
deviation of the specified positive full-scale code (53,248 for the
16-bit level) from the ideal VIN+ VIN (+200 mV) after the
offset error is adjusted out. Negative full-scale gain error is the
deviation of the specified negative full-scale code (12,288 for
the 16-bit level) from the ideal VIN+ VIN (200 mV) after the
offset error is adjusted out. Gain error includes reference error.
Signal-to-(Noise + Distortion) Ratio
This ratio is the measured ratio of signal-to-(noise + distortion)
at the output of the ADC. The signal is the rms amplitude of the
fundamental. Noise is the sum of all nonfundamental signals up
to half the sampling frequency (fS/2), excluding dc. The ratio is
dependent on the number of quantization levels in the digitization
process; the more levels, the smaller the quantization noise. The
theoretical signal-to-(noise + distortion) ratio for an ideal N-bit
converter with a sine wave input is given by
Signal-to-(Noise + Distortion) = (6.02 N + 1.76) dB
Therefore, for a 12-bit converter, this is 74 dB.
Effective Number of Bits (ENOB)
The ENOB is defined by
ENOB = (SINAD 1.76)/6.02
Total Harmonic Distortion (THD)
THD is the ratio of the rms sum of harmonics to the
fundamental. For the AD7401, it is defined as
1
6
5
4
3
2
V
THD
2
log
20
)
dB
(
+
=
where:
V1 is the rms amplitude of the fundamental.
V2, V3, V4, V5, and V6 are the rms amplitudes of the second
through the sixth harmonics.
Peak Harmonic or Spurious Noise
Peak harmonic or spurious noise is defined as the ratio of the
rms value of the next largest component in the ADC output
spectrum (up to fS/2, excluding dc) to the rms value of the
fundamental. Normally, the value of this specification is
determined by the largest harmonic in the spectrum, but for
ADCs where the harmonics are buried in the noise floor, it is a
noise peak.
Common-Mode Rejection Ratio (CMRR)
CMRR is defined as the ratio of the power in the ADC output at
±200 mV frequency, f, to the power of a 200 mV p-p sine wave
applied to the common-mode voltage of VIN+ and VIN of
frequency fS, expressed as
CMRR (dB) = 10log(Pf/PfS)
where:
Pf is the power at frequency f in the ADC output.
PfS is the power at frequency fS in the ADC output.
Power Supply Rejection Ratio (PSRR)
Variations in power supply affect the full-scale transition but
not converter linearity. PSRR is the maximum change in the
specified full-scale (±200 mV) transition point due to a change
in power supply voltage from the nominal value (see Figure 6).
Isolation Transient Immunity
The isolation transient immunity specifies the rate of rise/fall of
a transient pulse applied across the isolation boundary beyond
which clock or data is corrupted. (It was tested using a transient
pulse frequency of 100 kHz.)
相关PDF资料 |
PDF描述 |
|---|---|
| VE-BTZ-MV-S | CONVERTER MOD DC/DC 2V 60W |
| AD7924WYRUZ-REEL7 | IC ADC 12BIT 4CH W/SEQ 16TSSOP |
| VE-BTX-MW-S | CONVERTER MOD DC/DC 5.2V 100W |
| AD7705BRU-REEL | IC ADC 16BIT 2CH 16-TSSOP T/R |
| MS27497E10B99SB | CONN RCPT 7POS WALL MNT W/SCKT |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7402-8BRIZ | 功能描述:Modulator 16 bit 39K Serial 8-SOIC 制造商:analog devices inc. 系列:iCoupler? 包装:管件 零件状态:有效 类型:调制器 分辨率（位）:16 b 采样率（每秒）:39k 数据接口:串行 电压源:单电源 电压 - 电源:3 V ~ 5.5 V 工作温度:-40°C ~ 105°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.295"，7.50mm 宽） 供应商器件封装:8-SOIC 标准包装:80 |
| AD7402-8BRIZ-RL | 功能描述:Modulator 16 bit 39K Serial 8-SOIC 制造商:analog devices inc. 系列:iCoupler? 包装:带卷（TR） 零件状态:有效 类型:调制器 分辨率（位）:16 b 采样率（每秒）:39k 数据接口:串行 电压源:单电源 电压 - 电源:3 V ~ 5.5 V 工作温度:-40°C ~ 105°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.295"，7.50mm 宽） 供应商器件封装:8-SOIC 标准包装:1,500 |
| AD7402-8BRIZ-RL7 | 功能描述:Modulator 16 bit 39K Serial 8-SOIC 制造商:analog devices inc. 系列:iCoupler? 包装:剪切带（CT） 零件状态:有效 类型:调制器 分辨率（位）:16 b 采样率（每秒）:39k 数据接口:串行 电压源:单电源 电压 - 电源:3 V ~ 5.5 V 工作温度:-40°C ~ 105°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.295"，7.50mm 宽） 供应商器件封装:8-SOIC 标准包装:1 |
| AD7403-8BRIZ | 功能描述:Isolated Module 16 bit Serial 8-SOIC 制造商:analog devices inc. 系列:iCoupler? 包装:管件 零件状态:有效 类型:隔离模块 分辨率（位）:16 b 采样率（每秒）:- 数据接口:串行 电压源:双电源 电压 - 电源:3 V ~ 5.5 V 工作温度:-40°C ~ 105°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.295"，7.50mm 宽） 供应商器件封装:8-SOIC 标准包装:80 |
| AD7403-8BRIZ-RL | 功能描述:Isolated Module 16 bit Serial 8-SOIC 制造商:analog devices inc. 系列:iCoupler? 包装:带卷（TR） 零件状态:有效 类型:隔离模块 分辨率（位）:16 b 采样率（每秒）:- 数据接口:串行 电压源:双电源 电压 - 电源:3 V ~ 5.5 V 工作温度:-40°C ~ 105°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.295"，7.50mm 宽） 供应商器件封装:8-SOIC 标准包装:1,500 |
发布紧急采购，3分钟左右您将得到回复。