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|Description||10-bit analog-to-digital interface for CCD cameras.|
|TDA8786A Datasheet PDF : 28 Pages |
10-bit analog-to-digital interface for
Table 1 Serial interface programming (see note 1)
DATA BITS D9 to D0
OFDOUT output control (D7 to D0).
Soft clipper control. Only the 4 LSBs (D3 to D0) are used. Bits D9 to D4 should be set to
AGC gain control (D8 to D0).
Partial standby controls for power consumption optimization. Only the 4 LSBs (D3 to D0)
are used. Bits D9 to D4 should be set to logic 0:
D0 = 1: CDS + AGC + soft clipper block in standby; ICCA + ICCD = 48 mA
D1 = 1: optical black clamp + blanking block in standby; ICCA + ICCD = 92 mA
D2 = 1: OFD DAC in standby; ICCA + ICCD = 98 mA
D3 = 1: 6 dB amplifier (output on AMPOUT pin) in standby; ICCA + ICCD = 98.5 mA.
Clamp reference DAC (D9 to D0).
1. At the end of each programming sequence (usually during the video vertical blanking), the soft clipper register must
be reloaded (for example if the soft clipper is not used, code 15 must be entered in the soft clipper register at the end
of each TDA8786(A) programming sequence).
Table 2 Standby selection
D9 to D0
ICCA + ICCD
4 mA (typ.)
99 mA (typ.)
1997 Nov 17
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The TDA8786; TDA8786A is a 10-bit analog-to-digital interface for CCD cameras. The device includes a correlated double sampling circuit, AGC, a soft clipper circuit and a low power 10-bit Analog-to-Digital Converter (ADC) together with its reference voltage regulator.
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