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| 型号： | AD7265BSUZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/29页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 3CHAN 1MSPS 32TQFP |
| 设计资源： | AD7265 in Differential and Single-Ended Configurations Using AD8022 (CN0048) |
| 标准包装： | 1 |
| 位数： | 12 |
| 采样率（每秒）： | 1M |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 2 |
| 功率耗散（最大）： | 21mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-TQFP |
| 供应商设备封装： | 32-TQFP（7x7） |
| 包装： | 托盘 |
| 输入数目和类型： | 12 个单端，单极；6 个差分，单极；6 个伪差分，单极 |
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AD7265
Rev. A | Page 12 of 28
The AD7265 is tested using the CCIF standard where two input
frequencies near the top end of the input bandwidth are used.
In this case, the second-order terms are usually distanced in
frequency from the original sine waves, while the third-order
terms are usually at a frequency close to the input frequencies.
As a result, the second-order and third-order terms are
specified separately. The calculation of the intermodulation
distortion is as per the THD specification, where it is the ratio
of the rms sum of the individual distortion products to the rms
amplitude of the sum of the fundamentals expressed in dBs.
Thermal Hysteresis
Thermal hysteresis is defined as the absolute maximum change
of reference output voltage after the device is cycled through
temperature from either
T_HYS+ = +25°C to TMAX to +25°C
or
T_HYS = +25°C to TMIN to +25°C
It is expressed in ppm by
6
10
)
C
25
(
)
_
(
)
C
25
(
)
(
×
°
°
=
REF
HYS
V
HYS
T
V
ppm
V
Common-Mode Rejection Ratio (CMRR)
CMRR is defined as the ratio of the power in the ADC output at
full-scale frequency, f, to the power of a 100 mV p-p sine wave
applied to the common-mode voltage of V
where:
V
and V
IN+
IN
of
frequency f
REF
(25°C) is VREF at 25°C.
V
S
as
REF
(T_HYS) is the maximum change of VREF at T_HYS+ or
T_HYS.
CMRR (dB) = 10 log(Pf/PfS)
where:
Pf is the power at frequency f in the ADC output.
f
P S 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 the converter’s linearity. PSRR is the maximum change in
the full-scale transition point due to a change in power supply
voltage from the nominal value (see Figure 4).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7265BSUZ-REEL | 功能描述:IC ADC 12BIT 3CHAN 1MSPS 32TQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:2,500 系列:- 位数:16 采样率（每秒）:15 数据接口:MICROWIRE?，串行，SPI? 转换器数目:1 功率耗散（最大）:480µW 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:38-WFQFN 裸露焊盘 供应商设备封装:38-QFN（5x7） 包装:带卷 (TR) 输入数目和类型:16 个单端，双极；8 个差分，双极 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7265BSUZ-REEL7 | 功能描述:IC ADC 12BIT 3CHAN 1MSPS 32TQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°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 W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| AD7266 | 制造商:Analog Devices 功能描述:- Bulk |
| AD7266ACP | 制造商:Analog Devices 功能描述:ADC DUAL SAR 2MSPS 12-BIT SERL 32LFCSP - Bulk |
| AD7266ASU | 制造商:Analog Devices 功能描述:ADC DUAL SAR 2MSPS 12-BIT SERL 32TQFP - Bulk |
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