U2731B-NFN Atmel, U2731B-NFN Datasheet - Page 21

• Manufacturer Part Number: U2731B-NFN
• Description: IC FRONT-END DAB 8.5V 44-SSOP
• Manufacturer: Atmel

Specifications of U2731B-NFN

• Package / Case: 44-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Frequency: -
• Rf Type: -

Figure 9. Measurement Circuit for Electrical Characteristics
4671C–DAB–06/04
Switches
Address
select voltage
U2730B-N
Pre-
selector
Microcontroller
REF IN
SDA
SCL
44
1
51k
43
2
42
3
8.5V
33k
10n
76k 76k
9k
41
4
9k
BC846B
40
5
1.2n
10n
39
8.5V
6
22k
76k
9k
38
7
33k
100p
8.5V
100p
2.2k
37
8
10n
3.3n
36
2.2k
9
4.7k
100n
100n
100n
27p
35
10
4.7p 2.2p 2.2p 4.7p
U2731B
3.3n
34
11
47nH
2.2p
1n
BB545
RFA
33
12
1n
50
32
13
4.7k
RFB
31
14
1n
1n
50
30
15
47n
VAGCRF
29
16
3.3
28
17
100
3.3
10n
VAGCIF
27
18
10n
O1SA
26
19
10n
10n
51
8.5V
25
20
100p
1n
1k
24
21
220n
23
22
10n
4.7k
1.8k
10n
U2731B
WAGC
SLI
50
8.5V
IFAD
IFIN
21