SA639 Philips Semiconductors (Acquired by NXP), SA639 Datasheet - Page 7

• Manufacturer Part Number: SA639
• Description: SA639; Low Voltage Mixer FM if System With Filter Amplifier And Data Switch;; Package: SOT355-1 (TSSOP24)
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
PIN FUNCTIONS
1998 Feb 10
No.
PIN
Low voltage mixer FM IF system with filter amplifier
and data switch
1
2
3
4
5
MNEMONIC
BYPASS
RF IN
XTAL
XTAL
OSC
OSC
V
PIN
RF
CC
+1.07
+1.07
+1.57
+2.32
+3.00
DC V
All DC voltages measured with Pin 8 = Pin 12 = Pin 19 = 0V, Pin 5 = 3V and Pin 9 connected to Pin 10.
1
4
3
5
EQUIVALENT CIRCUIT
0.8k
18k
BANDGAP
V
REF
150 A
0.8k
Figure 3. Pin Functions
2
MIX
No.
PIN
10
6
7
8
9
7
MNEMONIC
FEEDBACK
POWER
DOWN
POST
DATA
RSSI
RSSI
AMP
OUT
OUT
PIN
IN
DC V
+0.20
+0.20
+1.70
0.00
+1.7
8
6
V
EQUIVALENT CIRCUIT
—
CC
+
10
—
V
Product specification
CC
+
20 A
9
SA639
V
CC
SR00032
7
R
R