tda8786g NXP Semiconductors, tda8786g Datasheet - Page 15

• Manufacturer Part Number: tda8786g
• Description: 10-bit Analog-to-digital Interface For Ccd Cameras
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1997 Nov 17
handbook, halfpage
handbook, halfpage
10-bit analog-to-digital interface for
CCD cameras
I ADCIN
( A)
I PBIN
( A)
450
450
450
450
0
0
Fig.12 Typical ADC clamp current.
Fig.10 Typical PBK clamp current.
V ref
500 mV
30 mV
1.4
30 mV
slope = 1 k
V ADCIN (V)
V PBIN (V)
MBK058
MBK059
15
ADC clamping
When pin CLPADC is HIGH (TDA8786) (LOW for
TDA8786A), the ADC input is clamped to voltage level V
V
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.
handbook, halfpage
ref
Fig.11 Typical clamp currents for pins IN1, IN2 and
should normally be connected to V
( A)
350
350
I
0
STGE.
TDA8786; TDA8786A
200 mV
2.85
Product specification
RB
(ADC reference
V (V)
MBK057
ref
.