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| U2510B Datasheet, PDF (4/15 Pages) ATMEL Corporation – All-Band AM/FM Receiver and Audio Amplifier | |||
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U2510B
Absolute Maximum Ratings
Parameters
Supply voltage
Power dissipation
Ambient temperature range
Symbol
Value
Unit
VS
13
V
Ptot
900
mW
Tamb
â20 to +75
°C
Electrical Characteristics
VS = 6 V, Tamb = 25°C, test circuit (figure 16), unless otherwise specified
Parameters
Test Conditions / Pins Symbol Min. Typ. Max. Unit
Supply voltage range
Oscillator stop voltage
Operating temperature range
VS
2.5
VS
2.2
T
â20
9*
V
V
+75
°C
Supply quiescent current
Vi1 = Vi2 = V4 = 0;
AM (S2 = AM)
IS
FM (S2 = FM)
IS
TAPE (S2 = Tape)
IS
4.0
mA
6.5
mA
2.2
mA
Regulated voltage
Pin 8
VRef
2.4
V
Audio amplifier Vi3 (Pin 24), test point: Vo (Pin 27) f = 1 kHz
AF measuring range: 30 Hz to 20 kHz, S2 = Tape, S4 = A, S5 = A
Input resistance
Pin 24
Rj
100
kW
Closed loop voltage gain
GVaf1 = 20 log (Vo/Vi3)
Vi3 = 10 mV
GVaf1
40
dB
Output voltage
Vi3 = 100 mV, S4 = B
Vo
0.7
3
mV
Highâend cut-off frequency
fc (â3 dB)
S5 = B
fc
13
kHz
fc
0.8
kHz
Supply-voltage rejection ratio SVRR = 20 log (Vhum/Vo)
Vhum = 200 mV,
fhum = 200 Hz, S4 = B
SVRR
32
dB
Noise voltage
S4 = B, Vi3 = 0
Vn
300
1000
mV
AF output power
THD = 10 %, RL = 8 W
VS = 4.5 V
Po
225
mW
VS = 6.0 V
Po
400
420
mW
VS = 9.0 V
Po
1000
mW
Distortion
Po = 50 mW, RL = 8 W
d
0.6
%
FM section, Vi2 = 60 dBmV, fi2 = 98 MHz, fm = 1 kHz, dev. = " 22.5 kHz, fiIF = 10.7 MHz,
AF measuring range: 300 Hz to 20 kHz, S2 = FM, S1 = A, S6 = B, test point: VD (Pin 23)
FM front-end voltage gain
GVFM = 20 log (ViIF / Vi2)
S1 = B, Vi2 = 40 dbmV
GVFM
30
dB
Recovered audio voltage
Pin 23
VD af
85
mV
Detector output resistance
Pin 23
RDo
7.5
kW
Detector output distortion
dev. = " 75 kHz
Vi2 = 60 dBmV
THD
0.5
%
Vi2 = 105 dBmV
THD
0.8
%
* U2510B-M__T: max. 6 V
4 (15)
Rev. A3, 23-Feb-01
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