U2730B-B Datasheet, PDF (2/12 Pages) TEMIC Semiconductors – L-Band Down-Converter for DAB Receivers

U2730B-B
Ordering Information
Extended Type Number
U2730B-BFS
U2730B-BFSG1
Package
SSO28
SSO28
Remarks
Taped and reeled according to IEC 286–3
Pin Description
n.c. ₁
C2
28 ^VCC4
27 ^S
VCC1 3
26 RF
VREF 4
25 NRF
TANK 5
24 GND
GND ₆
23 GND
GND 7
22 GND
GND ₈
21 ^GND
VCC2 9
20 ^VCC3
TMD 10
19 IF
TRD 11
18 AGC
CD ₁₂
17 ^TH
PD 13
16 ^NREF
PLCK 14
15 ^REF
14828
Figure 2. Pinning
Pin
1
2
3
4
5
6, 7, 8,
21, 22,
23, 24
9
10
11
12
13
14
15
16
17
18
19
20
25
26
27
28
Symbol
n.c.
C
VCC1
VREF
TANK
GND
Function
Not connected
Control input
Supply voltage
Reference pin of VCO
Tank pin of VCO
Ground
VCC2
TMD
TRD
CD
PD
PLCK
REF
NREF
TH
AGC
IF
VCC3
NRF
RF
S
VCC4
Supply voltage
Test output of main divider
Test output of reference divider
Active filter output
Three-state charge pump output
Lock-indication output
(open collector)
Reference divider input
Reference divider input
(inverted)
Threshold voltage of comparator
Charge-pump output of
comparator, AGC input for
amplifier and mixer
Intermediate frequency output
Supply voltage
RF input (inverted)
RF input
Control input
Supply voltage
2 (12)
Rev. A1, 22-Jul-98
Preliminary Information