SA1638 Datasheet, PDF (23/26 Pages) NXP Semiconductors – Low voltage IF I/Q transceiver

Philips Semiconductors
Low voltage IF I/Q transceiver
Product specification
SA1638
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Transmitter Supply Current vs.
Temperature and V_CCTxRx
26
24
22
5.5V
20
4.0V
18
3.0V
16
2.7V
14
12
10
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
Receiver Supply Current vs.
Temperature and V_CCTxRx
20
19
18
5.5V
17
16 4.0V
15
3.0V
14
2.7V
13
12
11
10
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
Power Down Supply Current vs.
Temperature and V_CCTxRx
160
Receiver Uncorrected Output Offset
Voltage vs Temperature and V_CCTxRx
270
140
5.5V
120
DCRES = 100kΩ
265
100 _4.0V
260
80
255
3.0V
60
2.7V
250
40
5.5V
20
245 4.0V
3.0V
0
2.7V
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
240
Temperature (°C)
-50
-30
-10
10
30
50
70
90
TEMPERATURE (°C)
330
5.5V
320 ^4.0V
3.0V
310 _2.7V
300
Receiver Output Offset Control Step
Size vs Temperature and V_CCTxRx
DCRES = 100kΩ
Receiver Output Offset Control Step Size vs
Temperature and V_CCTxRx
37
36
35 ^5.5V
4.0V
3.0V
34 ^2.7V
DCRES = 1MΩ
290
33
280
32
-50
-30
-10
10
30
50
70
90
-50
-30
-10
10
30
50
70
90
TEMPERATURE (°C)
TEMPERATURE (°C)
1997 Sept 03
Figure 16. Typical Performance Characteristics (continued)
23