cxa2647n Sony Electronics, cxa2647n Datasheet - Page 20

• Manufacturer Part Number: cxa2647n
• Description: Rf Signal Processor For Cd Players
• Manufacturer: Sony Electronics

Characteristics Graphs
1. EQ characteristics
–10
–10
25
20
15
10
–5
25
20
15
10
–5
5
0
5
0
10k
1k
1-1. EQ ROM/RW characteristics
1-3. EQ boost control characteristics
ROM
ROM mode
Pin 26 RFC = 100k/33k
Pin 25 VFC = VC
Pin 24 BST = control
Pin 23 RFG = VC
RW
Pin 26 RFC = 100k
Pin 25 VFC = VC
Pin 24 BST = VC
Pin 23 RFG = VC
RFC = 100k
BST = VC + 1V
BST = VC
BST = VC – 1V
100k
10k
Input: Pin 3 EQ_IN
Output: Pin 15 RFAC
100k
[Hz]
1M
[Hz]
(Vcc = 3.0V, DVcc = 3.0V)
10M
1M
RFC = 33k
BST = VC + 1V
BST = VC
BST = VC – 1V
100M
10M
– 20 –
–10
25
20
15
10
–5
30
25
20
15
10
–5
5
0
5
0
10k
1k
1-2. EQ fc control characteristics
1-4. EQ gain control characteristics
RFG = VC + 1V
RFG = VC
RFG = VC – 1V
RW mode
Pin 26 RFC = 100k
Pin 25 VFC = VC
Pin 24 BST = VC
Pin 23 RFG = control
RFC = 100k
VFC = VC + 1V
VFC = VC
VFC = VC – 1V
100k
10k
100k
1M
[Hz]
[Hz]
ROM mode
Pin 26 RFC = 100k/33k
Pin 25 VFC = control
Pin 24 BST = VC
Pin 23 RFG = VC
10M
1M
RFC = 33k
VFC = VC
VFC = VC + 1V
CXA2647N
100M
10M