S1T8513A02-V0B0 PDF даташит
Спецификация S1T8513A02-V0B0 изготовлена «Samsung semiconductor» и имеет функцию, называемую «FM IF RECEIVER». |
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Детали детали
Номер произв | S1T8513A02-V0B0 |
Описание | FM IF RECEIVER |
Производители | Samsung semiconductor |
логотип |
6 Pages
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FM IF RECEIVER
S1T8513A
INTRODUCTION
The S1T8513A is designed for FM IF Detection on the pager set. It
includes a voltage regulator, low battery detection circuit, Mixer,
Oscillator, FSK comparator and limiting IF Amplifier.
20−SSOP−225
FEATURES
• Operating voltage range: 1.0 ~ 4.0V
• Typical supply current: 1.1mA at 1.4V
• Low battery detection circuit (alarm function): 1.05V
• Voltage regulator : Vreg = 1.0V (Typ.)
• Mixer operating frequency: 10 ~ 50MHz
• High transmitting rate: 1200 / 2400bps
• FSK Data reception
• Package type: 20-SSOP (0.65mm)
ORDERING INFORMATION
Device
S1T8513A02-V0B0
Package
20-SSOP-225
Operating Temperature
−20°C to +70°C
BLOCK DIAGRAM
MI
GND REGO REGC
AO FSKO
QC BSC LPFO LPFI
20 19 18 17
16 15
14 13 12 11
1.0V Reg
2’nd
MIX
FSK
COMP.
Quick
Charge
filter AMP
Alarm
audio AMP
X-tal
Osc
1
OSCI
2
OSCO
3
MO
Limiting IF
Amplifier
45
Vcc LI
6
LD
7
FSKI
Quad
Detector
8 9 10
IFO QD
RAO
1
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S1T8513A
PIN CONFIGURATION
OSCI 1
OSCO 2
MO 3
Vcc 4
LI 5
LD 6
FSKI 7
IFO 8
QD 9
RAO 10
20 MI
19 GND
`18 REGO
17 REGC
KSA1T88551133AB 16 AO
15 FSKO
14 QC
13 BSC
12 LPFO
11 LPFI
FM IF RECEIVER
2
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FM IF RECEIVER
S1T8513A
PIN DESCRIPTION
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Symbol
OSCI
OSCO
MO
VCC
LI
LD
FSK1
IFO
QD
RAO
LPFI
LPFO
BSC
QC
FSKO
AO
REGC
REGO
GND
MI
Description
Oscillator input. The oscillator is an internally-biased colpitts type.
Oscillator output.
Mixer output pin. Output impedance ≈ 2kΩ.
Connect a 455kHz filter between this pin and the LI.
VCC pin.
IF limiter amplifier input. Input impedance 2kΩ.
Bypass capacitor connect pin for the IF limiter amplifier.
Differential Amp. reference input on the FSK comparator.
IF Amp output.
Quadrature detection, phase shiftier pin.
Recovered audio signal output.
Low pass filter amplifier input. Bias is supplied from pin 10.
Low pass filter amplifier output.
Battery saving control pin.
High: Battery saving off. Low: Battery saving on
Quick charge control pin.
High: Quick charge-discharge on. Low: Quick charge-discharge off.
FSK signal output pin.
Alarm output. This pin becomes High when VCC drops below 1.05V.
S1T8513A has an internal PNP transistor.
But, it also can support an external PNP transistor to control the power.
Regulated voltage output.
Ground.
Mixer input impedance ≈ 5kΩ.
ABSOLUTE MAXIMUM RATINGS
Characteristic
Max. Supply Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
VCC (MAX)
PD
TOPR
TSTG
Value
4
800
−20 — +70
−55 — +125
Unit
V
mW
°C
°C
3
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Номер в каталоге | Описание | Производители |
S1T8513A02-V0B0 | FM IF RECEIVER | Samsung semiconductor |
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