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参数资料
| 型号： | TDA8763AM4DB |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | ADC |
| 英文描述： | 1-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封装： | PLASTIC, SOT-341-1, SSOP-28 |
| 文件页数： | 3/29页 |
| 文件大小： | 241K |
| 代理商： | TDA8763AM4DB |
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1999 Jan 06
11
Philips Semiconductors
Product specication
10-bit high-speed low-power ADC
TDA8763A
3. In order to ensure the optimum linearity performance of such converter architecture the lower and upper extremities
of the converter reference resistor ladder (corresponding to output codes 0 and 1023 respectively) are connected to
pins VRB and VRT via offset resistors ROB and ROT as shown in Fig.3.
a) The current flowing into the resistor ladder is
and the full-scale input range at the converter,
to cover code 0 to code 1023, is
b) Since RL, ROB and ROT have similar behaviour with respect to process and temperature variation, the ratio
will be kept reasonably constant from device to device. Consequently variation of the output
codes at a given input voltage depends mainly on the difference VRT VRB and its variation with temperature and
supply voltage. When several ADCs are connected in parallel and fed with the same reference source, the
matching between each of them is then optimized.
4.
5. The analog bandwidth is defined as the maximum input sine wave frequency which can be applied to the device.
No glitches greater than 2 LSBs, neither any significant attenuation are observed in the reconstructed signal.
6. The analog input settling time is the minimum time required for the input signal to be stabilized after a sharp full-scale
input (square wave signal) in order to sample the signal and obtain correct output data.
7. Effective bits are obtained via a Fast Fourier Transform (FFT) treatment taking 8K acquisition points per equivalent
fundamental period. The calculation takes into account all harmonics and noise up to half of the clock frequency
(NYQUIST frequency). Conversion to signal-to-noise ratio: SINAD = ENOB
× 6.02 + 1.76 dB.
8. Intermodulation measured relative to either tone with analog input frequencies of 4.43 MHz and 4.53 MHz. The two
input signals have the same amplitude and the total amplitude of both signals provides full-scale to the converter.
9. Measurement carried out using video analyser VM700A, where the video analog signal is reconstructed through a
digital-to-analog converter.
10. Output data acquisition: the output data is available after the maximum delay time of td(max). For 50 MHz version it is
recommended to have the lowest possible output load.
I
L
V
RT
V
RB
–
R
OB
R
L
R
OT
++
------------------------------------------
=
V
I
R
L
I
L
×
R
L
R
OB
R
L
R
OT
++
------------------------------------------
==
V
(
RT
×
V
RB
–
)
+
0.
˙ 852
V
(
RT
V
RB )
–
×
=
RL
ROB
RL
ROT
++
------------------------------------------------
E
G
V
1023
V
0
–
() V
ip
p
–
()
–
V
ip
p
–
()
------------------------------------------------------------
100
×
=
Fig.3 Explanation of note 3.
handbook, halfpage
RLAD
ROT
VRT
VRM
VRB
ROB
code 1023
code 0
MGD281
IL
RL
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA8763AM4DB-T | 功能描述:视频模拟/数字化转换器集成电路 10 BIT A/D LOW POWER RoHS:否 制造商:Texas Instruments 输入信号类型:Differential 转换器数量:1 ADC 输入端数量:4 转换速率:3 Gbps 分辨率:8 bit 结构: 输入电压:3.3 V 接口类型:SPI 信噪比: 电压参考: 电源电压-最大:3.45 V 电源电压-最小:3.15 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TCSP-48 封装:Reel |
| TDA8763AM5DB | 功能描述:视频模拟/数字化转换器集成电路 10 BITS ADC LO PWR 50MHZ RoHS:否 制造商:Texas Instruments 输入信号类型:Differential 转换器数量:1 ADC 输入端数量:4 转换速率:3 Gbps 分辨率:8 bit 结构: 输入电压:3.3 V 接口类型:SPI 信噪比: 电压参考: 电源电压-最大:3.45 V 电源电压-最小:3.15 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TCSP-48 封装:Reel |
| TDA8763AM5DB-T | 功能描述:视频模拟/数字化转换器集成电路 10 BITS ADC LO PWR 50MHZ RoHS:否 制造商:Texas Instruments 输入信号类型:Differential 转换器数量:1 ADC 输入端数量:4 转换速率:3 Gbps 分辨率:8 bit 结构: 输入电压:3.3 V 接口类型:SPI 信噪比: 电压参考: 电源电压-最大:3.45 V 电源电压-最小:3.15 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TCSP-48 封装:Reel |
| TDA8763M | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:10-bit high-speed low-power ADC with internal reference regulator |
| TDA8763M/2 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog-to-Digital Converter， 10-Bit |
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