參數(shù)資料
型號(hào): SA639
廠商: NXP Semiconductors N.V.
英文描述: Low voltage mixer FM IF system with filter amplifier and data switch
中文描述: 低電壓中頻濾波放大器和數(shù)據(jù)系統(tǒng),混頻器調(diào)頻開關(guān)
文件頁(yè)數(shù): 7/16頁(yè)
文件大小: 226K
代理商: SA639
Philips Semiconductors
Product specification
SA639
Low voltage mixer FM IF system with filter amplifier
and data switch
1998 Feb 10
7
PIN FUNCTIONS
All DC voltages measured with Pin 8 = Pin 12 = Pin 19 = 0V, Pin 5 = 3V and Pin 9 connected to Pin 10.
PIN
No.
MNEMONIC
1
0.8k
2
0.8k
4
3
18k
MIX
150
μ
A
5
V
REF
BANDGAP
10
20
μ
A
6
+
V
CC
7
V
CC
+
8
R
R
PIN
DC V
EQUIVALENT CIRCUIT
PIN
No.
PIN
MNEMONIC
DC V
EQUIVALENT CIRCUIT
9
V
CC
1
RF IN
+1.07
6
RSSI
+0.20
FEEDBACK
2
RF
+1.07
7
RSSI
OUT
+0.20
BYPASS
3
XTAL
OSC
+1.57
8
POWER
DOWN
0.00
4
XTAL
OSC
+2.32
9
DATA
OUT
+1.7
5
V
CC
+3.00
10
AMP
IN
+1.70
POST
SR00032
Figure 3. Pin Functions
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