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參數(shù)資料
| 型號： | LA9705W |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | SQFP-64 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 177K |
| 代理商： | LA9705W |
No. 7771-2/15
LA9705W
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Current drain
ICC
No signal
29.4
38.6
50.4
mA
Reference voltage 1
PREF
Pin 58, load current ±2 mA
2.3
2.5
2.7
V
Reference voltage 2
SREF
Pin 48 = 5 V, pin 51, load current ±2 mA
2.3
2.5
2.7
V
VIH min
VIH
Pins 20 to 28, pins 30 and 31
2.3
V
VIL max
VIL
Pins 20 to 28, pins 30 and 31
0.98
V
IIH
Pins 20 to 28, pins 30 and 31
–10
+10
A
IIL
Pins 20 to 28, pins 30 and 31
–10
+10
A
VIDAH max
VIDH
Pins 32 to 36
SREF + 1
V
VIDAL min
VLDL
Pins 32 to 36
SREF – 1
V
Customer operational amplifier 1
CAOP1
Pin 1 = PREF + 450 mV, pin 62
PREF + 0.3
PREF + 0.45
PREF + 0.6
V
Customer operational amplifier 2
CAOP2
Pin 1 = PREF – 300 mV, pin 62
PREF – 0.45
PREF – 0.3
PREF – 0.25
V
13 MHz input to pins 61 and 59, pin 23 = 5 V,
pin 25 = 0 V, pin 26 = 5 V, pin 34 = SREF + 1 V
RF–EQ
RFEQ
With an input of: pin 33 = SREF + 1 V and
6
9
12
dB
pin 33 = SREF – 1 V
The ratio of the pin 55 and 54 output gains
RF gain 1 (maximum gain 1)
RFG1
Input to pins 61 and 59, pin 23 = 0 V, pin 25 = 5 V
30
37
dB
Pin 33 = pin 34 = SREF, pins 54 and 55
RF gain 2 (minimum gain)
RFG2
Input to pins 61 and 59, pin 23 = 0 V, pin 25 = 0 V
3.4
6
dB
Pin 33 = pin 34 = SREF, pins 54 and 55
RF gain 3 (AGOF gain)
RFG3
Input to pins 61 and 59, pin 23 = 5 V, pin 25 = 0 V
2.9
7.9
10.9
dB
Pin 33 = pin 34 = SREF, pins 54 and 55
RF gain 4 (maximum gain 2)
RFG4
Input to pins 61 and 59, pin 23 = 0 V, pin 25 = 0 V
17.4
24.4
dB
Pin 33 = pin 34 = SREF, pins 54 and 55
Pin 61 = 130 mVp-p, pin 59 = PREF, pin 23 = 0 V,
PH
Pin 25 = 0 V, pin 33 = pin 34 = SREF, pin 24 = 0 V
SREF + 0.5
SREF + 0.75
SREF + 0.9
V
Pin 50
Pin 61 = 130 mVp-p, pin 59 = PREF, pin 23 = 0 V,
BH
Pin 25 = 0 V, pin 33 = pin 34 = SREF, pin 31 = 5 V
SREF – 0.23
SREF – 0.53
SREF – 0.83
V
Pin 46
RREC1
Input to pins A6 and A7, pin 25 = 0 V,
–5.7
–2.7
+1.7
dB
pin 32 = SREF – 0.75 V, pin 38
RREC2
Input to pins A6 and A7, pin 25 = 0 V,
12.5
17.5
22.5
dB
pin 32 = SREF + 0.75 V, pin 38
RREC3
Input to pins A6 and A7, pin 25 = 5 V,
7.2
11.2
15.2
dB
pin 32 = SREF – 0.75 V, pin 38
RRECOST
ROST
Pins A6 and A7 = PREF, pin 25 = 0 V, pin 32 = SREF
SREF – 0.3
SREF
SREF + 0.3
V
pin 38
FEGAIN1
FEG1
Input to pins A6 and A7, pin 25 = 0 V,
0.7
5.2
9.7
dB
pin 32 = SREF – 0.75 V, pin 35 = SREF, pin 39
FEGAIN2
FEG2
Input to pins A6 and A7, pin 25 = 0 V,
22.5
25.5
28.5
dB
pin 32 = SREF + 0.75 V, pin 35 = SREF, pin 39
FEGAIN3
FEG3
Input to pins A6 and A7, pin 25 = 5 V,
14.4
19.9
25.4
dB
pin 32 = SREF – 0.75 V, pin 35 = SREF, pin 39
FEOST
FOST
Pins A6 and A7 = PREF, pin 25 = 0 V,
SREF – 0.3
SREF
SREF + 0.3
V
pin 32 = SREF, pin 35 = SREF, pin 39
FEBAL1
FBAL1
Input to pins A6 and A7, pin 25 = 0 V, pin 32 = SREF,
5.2
8.2
11.2
dB
pin 35 = SREF – 0.75 V, The D gain at pin 39
FEBAL2
FBAL2
Input to pins A6 and A7, pin 25 = 0 V, pin 32 = SREF,
–11.2
–8.2
–5.2
dB
pin 35 = SREF + 0.75 V, The D gain at pin 39
Electrical Characteristics at Ta = 25°C, VCC (pins 2, 29, and 63) = 5 V, GND (pins 8, 19, 56) = 0 V
Continued on next page.
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