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參數(shù)資料
| 型號(hào)： | SA9503 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 衰減器 |
| 英文描述： | Dual-band, CDMA/AMPS LNA and downconverter mixers |
| 中文描述： | RF/MICROWAVE DOWN CONVERTER |
| 封裝： | PLASTIC, HEATSINK BOTTOM CHIP CARRIER, SOT560-1, 32PIN |
| 文件頁數(shù)： | 5/16頁 |
| 文件大小： | 169K |
| 代理商： | SA9503 |
Philips Semiconductors
Objective specification
SA9503
Dual-band, CDMA/AMPS LNA
and downconverter mixers
1999 Jul 29
5
MODE SELECT LOGIC AND DC CHARACTERISTICS
The SA9503 chip has several modes of operation for which the selection logic is defined in the following two tables. Different mode selections
require different portions of the circuit to be active. Modes from unlisted combinations of logic pins, are not valid. Total current consumption of
the device is the sum of the currents for the mixer portion (Table 2) and the LNA portion (Table 3).
Table 2.
V
CC
= 2.7 V to 3.3 V, 2.85 V typical; T
amb
= –40 to +85
°
C
Mode logic definition for Downconverter mixers
(Tx) LO
BUFFER
(Tx) LO
BUFFER
OUTPUT
LOGIC INPUT PINS
CURRENT (mA)
MODES
DOUBLER
POWER
DOWN
1
PCS/CEL
CDMA/FM
LO DOUBLER
(Tx) LO
ENABLE
TYP
MAX
PCS
1
PCS1
On
2 GHz
Off
1
1
0
1
26
29.9
2
PCS1 Idle
Off
—
Off
1
1
0
0
16
18.4
3
PCS2
On
2 GHz
On
1
1
1
1
30
34.5
4
PCS2 Idle
Off
—
On
1
1
1
0
20
23
Cellular CDMA
5
CDMA
On
1 GHz
Off
1
0
1
1
23
26.5
6
CDMA Idle
Off
—
Off
1
0
1
0
13
15
7
FM
On
1 GHz
Off
1
0
0
1
16.8
19.3
8
FM Idle
Off
—
Off
1
0
0
0
6.8
7.8
Power Down
Sleep
1
NOTES:
x = Don’t care
1. The device will be in the Power Down mode (sleep) when control lines S0 = 1, S1 = 0, and S2 = 0.
9
x
x
Off
0
x
x
x
1
μ
A
50
μ
A
Table 3.
V
CC
= 2.7 V to 3.3 V, 2.85 V typical; T
amb
= –40 to +85
°
C
Mode logic definition for LNA
MODES
LOGIC INPUTS
S0
CURRENT CONSUMPTION (mA)
TYP
PCS/CEL
S1
S2
MAX
1
CEL_L (High linearity)
0
1
1
1
13.2
15.0
2
CEL_1 (High gain)
0
0
1
1
4.9
6.0
3
CEL_2 (Next lower gain)
0
0
1
0
4.9
6.0
4
CEL_3 (Next lower gain)
0
0
0
1
4.9
6.0
5
CEL_4 (Next lower gain)
0
0
0
0
3.7
4.5
6
PCS_L (High linearity)
1
1
1
1
13.3
15.0
7
PCS_1 (High gain)
1
0
1
1
5.9
7.2
8
PCS_2 (Lower gain)
1
0
1
0
5.9
7.2
9
PCS_3 (Next lower gain)
1
0
0
1
5.9
7.2
10
PCS_4 (Next lower gain)
1
0
0
0
3.7
4.5
11
Mixers ON (LNA portion OFF)
x
1
1
0
1
μ
A
50
μ
A
12
Reserved (Sleep)
x
1
0
1
(Note 1)
(Note 1)
13
Sleep
x
1
0
0
(Note 1)
(Note 1)
NOTES:
x = Don’t care
1. The device will be in the Power Down mode (sleep) when control lines S0 = 1, S1 = 0, and S2 = 0.
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