U2510B-MT
| Model | U2510B-MT |
| Description | All-Band AM/FM Receiver and Audio Amplifier |
| PDF file | Total 15 pages (File size: 266K) |
| Chip Manufacturer | ATMEL |
U2510B
Absolute Maximum Ratings
Parameters
Supply voltage
Power dissipation
Ambient temperature range
Symbol
V
S
P
tot
T
amb
Value
13
900
–20 to +75
Unit
V
mW
°C
Electrical Characteristics
V
S
= 6 V, T
amb
= 25°C, test circuit (figure 16), unless otherwise specified
Parameters
Supply voltage range
Oscillator stop voltage
Operating temperature range
Supply quiescent current
Test Conditions / Pins
Symbol
V
S
V
S
T
Min.
2.5
2.2
–20
Typ.
Max.
9*
+75
Unit
V
V
°C
mA
mA
mA
V
V
i1
= V
i2
= V
4
= 0;
AM (S
2
= AM)
I
S
4.0
FM (S
2
= FM)
I
S
6.5
TAPE (S
2
= Tape)
I
S
2.2
Regulated voltage
Pin 8
V
Ref
2.4
Audio amplifier
V
i3
(Pin 24), test point: V
o
(Pin 27) f = 1 kHz
AF measuring range: 30 Hz to 20 kHz, S
2
= Tape, S
4
= A, S
5
= A
Input resistance
Pin 24
R
j
100
Closed loop voltage gain
GV
af1
= 20 log (V
o
/V
i3
)
V
i3
= 10 mV
GV
af1
40
Output voltage
V
i3
= 100 mV, S
4
= B
V
o
0.7
High–end cut-off frequency
f
c
(–3 dB)
f
c
13
S
5
= B
f
c
0.8
Supply-voltage rejection ratio SVRR = 20 log (V
hum
/V
o
)
V
hum
= 200 mV,
f
hum
= 200 Hz, S
4
= B
SVRR
32
Noise voltage
S
4
= B, V
i3
= 0
V
n
300
AF output power
THD = 10 %, R
L
= 8
W
V
S
= 4.5 V
P
o
225
V
S
= 6.0 V
420
P
o
400
V
S
= 9.0 V
P
o
1000
Distortion
P
o
= 50 mW, R
L
= 8
W
d
0.6
FM section,
V
i2
= 60 dBmV, f
i2
= 98 MHz, f
m
= 1 kHz, dev. =
"
22.5 kHz, f
iIF
= 10.7 MHz,
AF measuring range: 300 Hz to 20 kHz, S
2
= FM, S
1
= A, S
6
= B, test point: V
D
(Pin 23)
FM front-end voltage gain
GV
FM
= 20 log (V
iIF
/ V
i2
)
S
1
= B, V
i2
= 40 dbmV
GV
FM
30
Recovered audio voltage
Pin 23
VD
af
85
Detector output resistance
Pin 23
R
Do
7.5
Detector output distortion
dev. =
"
75 kHz
THD
0.5
V
i2
= 60 dBmV
V
i2
= 105 dBmV
THD
0.8
*
U2510B-M__T: max. 6 V
kW
dB
mV
kHz
kHz
3
1000
dB
mV
mW
mW
mW
%
dB
mV
kW
%
%
4 (15)
Rev. A3, 23-Feb-01
