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參數(shù)資料
| 型號(hào)： | TDA7512 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| 封裝： | TQFP-64 |
| 文件頁數(shù)： | 40/43頁 |
| 文件大?。?/td> | 833K |
| 代理商： | TDA7512 |
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TDA7512
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Table 3. ELECTRICAL CHARACTERISTICS
Tamb = +25°C, VCC1 = VCC2 = VCC3 = VCCVCO = VCCMIX1 = VCCIF1=8.5V, fRF = 98MHz, dev. = 40kHz,
fMOD =1kHz, fIF1 =10.7MHz, fIF2 =450KHz, fXtal = 10.25MHz, in application circuit, unless otherwise
specified.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Supply
VCC1
Digital supply voltage
7.5
8.5
10
V
VCC2
Analog supply voltage
7.5
8.5
10
V
VCC3
Analog tuning voltage
7.5
8.5
10
V
VCCVCO
VCO supply voltage
7.5
8.5
10
V
VCCMIX1 MIX1 supply voltage
7.5
8.5
10
V
VCCMIX2
MIX2 supply voltage
7.5
8.5
10
V
VCCIF1
IF1 supply voltage
7.5
8.5
10
V
ICC1
Supply current
FM ON
7.5
mA
ICC1
Supply current
AM ON
10
mA
ICC2
Supply current
FM ON / VCO:3
70
mA
ICC2
Supply current
AM ON
70
mA
ICC3
Supply current
2
mA
ICCVCO
Supply current
9
mA
ICCMIX1
Supply current
FM ON
8
mA
ICCMIX1
Supply current
AM ON
7
mA
ICCMIX2
Supply current
AM ON
7
mA
ICCIF1
Supply current
6
mA
Reference Voltages
VREF1
Internal reference voltage
IREF1 = 0mA
5
V
VREF2
Internal reference voltage
IREF2 = 0mA
2.5
V
Wide Band RF AGC
V7-9
Lower threshold start
V10 = 2.5V
85
dB
V
V7-9
Upper threshold start
V10 = 2.5V
96
dB
V
Narrow Band IF & Keying AGC
V60
Lower threshold start
KAGC = off, V7-9 = 0mVRMS
86
dB
V
V60
Upper threshold start
KAGC = off, V7-9 = 0mVRMS
98
dB
V
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