參數(shù)資料
型號(hào): TDA9956HL
廠商: NXP SEMICONDUCTORS
元件分類: ADC
英文描述: 1-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-313-2, LQFP-48
文件頁(yè)數(shù): 6/24頁(yè)
文件大?。?/td> 117K
代理商: TDA9956HL
2000 Jul 20
14
Philips Semiconductors
Objective specication
10-bit, 3.0 V, 36 Msps analog-to-digital
interface for CCD cameras
TDA9956
handbook, halfpage
0
64
192
320
PGA input code
128
TOTAL
gain
(dB)
256
383
42
30
6
0
12
24
36
18
FCE499
1.9
37.9
Fig.7 Total gain from CDS input to ADC input as a function of PGA input code.
handbook, halfpage
64
0
192
320
128
PGA code
256
383
FCE500
Ntot(rms)
(LSB)
5
4
3
2
0
6
1
Fig.8 Typical total noise performance as a function of PGA gain.
Noise measurement at ADC outputs:
Coupling capacitor at input is grounded, so only noise contribution of the front-end is evaluated. Front-end works at 36 Mpixels with line of 1024 pixels
whose first 40 are used to run CLPOB and the last 40 for CLPDM. Data at the ADC outputs are measured during the other pixels. As a result of this,
the standard deviation of the codes statistic is computed, resulting in the noise. No quantization noise is taken into account as there is no input.
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