参数资料
型号: 935254680518
厂商: NXP SEMICONDUCTORS
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PQFP48
封装: PLASTIC, LQFP-48
文件页数: 7/31页
文件大小: 186K
代理商: 935254680518
1997 Nov 17
15
Philips Semiconductors
Product specication
10-bit analog-to-digital interface for
CCD cameras
TDA8786; TDA8786A
Fig.10 Typical PBK clamp current.
handbook, halfpage
MBK058
450
0
450
IPBIN
(
A)
VPBIN (V)
30 mV
1.4
Fig.11 Typical clamp currents for pins IN1, IN2 and
STGE.
handbook, halfpage
MBK057
350
0
350
I
(
A)
V (V)
200 mV
2.85
Fig.12 Typical ADC clamp current.
handbook, halfpage
MBK059
450
slope = 1 k
0
450
IADCIN
(
A)
VADCIN (V)
500 mV
30 mV
Vref
ADC clamping
When pin CLPADC is HIGH (TDA8786) (LOW for
TDA8786A), the ADC input is clamped to voltage level Vref.
Vref should normally be connected to VRB (ADC reference
voltage code 0) or to DACOUT (10-bit DAC output).
The DAC is controlled via the serial interface, its output
covers the lower half of the ADC input range.
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