tda9870ah NXP Semiconductors, tda9870ah Datasheet - Page 34

• Manufacturer Part Number: tda9870ah
• Description: Digital Tv Sound Processor Dtvsp
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 14 Gain control bits
Note
1. The default setting at power-up is 00000000.
1999 Dec 20
MSB
Digital TV Sound Processor (DTVSP)
B7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
B6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
B5
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
B4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
B3
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
B2
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
34
B1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
LSB
B0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
AGC GAIN
(dB)
10.1
10.8
11.6
12.4
13.2
13.9
14.7
15.5
16.3
17.0
17.8
18.6
19.4
20.1
20.9
21.7
22.5
23.2
24.0
0.0
0.8
1.5
2.3
3.1
3.9
4.6
5.4
6.2
7.0
7.7
8.5
9.3
SIF INPUT VOLTAGE
Product specification
59/188 (note 1)
TDA9870A
[mV (p-p)]
941/2976
861/2723
788/2490
720/2278
659/2084
603/1906
551/1744
504/1595
461/1459
422/1334
386/1221
353/1117
323/1021
295/934
270/855
247/782
226/715
207/654
189/598
173/547
158/501
145/458
132/419
121/383
111/350
101/321
93/293
85/268
78/245
71/224
65/205