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| 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： | 9/31页 |
| 文件大小： | 186K |
| 代理商： | 935254680518 |
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1997 Nov 17
17
Philips Semiconductors
Product specication
10-bit analog-to-digital interface for
CCD cameras
TDA8786; TDA8786A
Table 1
Serial interface programming (see note 1)
Note
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
ADDRESS BITS
DATA BITS D9 to D0
A2
A1
A0
0
OFDOUT output control (D7 to D0).
0
1
Soft clipper control. Only the 4 LSBs (D3 to D0) are used. Bits D9 to D4 should be set to
logic 0.
0
1
0
AGC gain control (D8 to D0).
0
1
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 =48mA
D1 = 1: optical black clamp + blanking block in standby; ICCA +ICCD =92mA
D2 = 1: OFD DAC in standby; ICCA +ICCD =98mA
D3 = 1: 6 dB amplifier (output on AMPOUT pin) in standby; ICCA +ICCD = 98.5 mA.
1
0
Clamp reference DAC (D9 to D0).
STDBY
D9 to D0
ICCA +ICCD
1
LOW
4 mA (typ.)
0
active
99 mA (typ.)
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