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01W108A
RF amplifier for Car CD
BH3515FV
Description BH3515FV is a RF amplifier for Car CD player that incorporates 3 speed equalization with gain switching and operating voltage of 3 ~ 5.5V. Equalizer circuit is applied to x1 time speed, x1.5 times speed, and x2 times speed. Gain switching pin is incorporated for CD-RW Dimension (Units : mm)
10.0 ± 0.2
28 15
7.6 ± 0.3 5.6 ± 0.2
1
14
1.15 ± 0.1 0.1
0.15 ± 0.1
0.65
0.1 0.22 ± 0.1
Features 1) Multi-read type (CD, CD-R, CD-RW) 2) For x1speed, x1.5speed, x2speed 3) Operating power supply voltage range: 3V~5.5V
SSOP-B28
Applications CD, CD-R, CD-RW read type Car CD, Car CD with shock-proof function
Absolute Maximum Ratings (Ta=25°C)
Parameter Power supply voltage Power dissipation Operating temperature range Storage temperature range
*Derating : 8.0mW/°C for operation above Ta=25°C
Symbol Vcc Pd Topr Tstg –40 –55
Limits 7.0 800 *
Unit V mW +85 +125
~ ~
°C °C
October, 2001
0.3Min.
Recommended Operating Conditions (Ta=25°C)
Parameter Power supply voltage Symbol VCC Min. 3.0 Typ. 3.3 Max. 5.5 Unit V
Electrical characteristics (Unless otherwise noted; Ta=25°C, Vcc=3.3V)
Parameter
No load consumption current Adder amp. gain 1 (at normal) Adder amp. gain 2 (at RW) AGC operation level 1 AGC operation level 2 Frequency characteristic 1 Frequency characteristic 2 Frequency characteristic 3 RFDET detection level
Symbol IQ GRF1 GRF2 VOPAGC1 VOPAGC2 Gf1 Gf2 Gf3 VRFDET
Min. 15 4 16 580 0.95 2 2 2 70
Typ. 20 6 18 700 1.15 3.5 3.5 3.5 100
Max. 25 8 20 820 1.35 5 5 5 130
Unit mA dB dB mVp-p Vp-p dB dB dB mVp-p
Normal gain Normal gain Gain up
Conditions
VCC=3.3V, f=500kHz, VIN=500mVpp VCC=5V, f=500kHz, VIN=500mVpp f=144k/720k, SPDCTL=Low (x1 speed) f=216k/1.08M, SPDCTL=Hi–Z (x1.5 speed) f=288k/1.44M, SPDCTL=High (x2 speed) f=500kHz, RFDET=H®L
Application Circuit
A+C
10 10µ
PD
1
28
A B
A B D C
LD
2.2K
2
27
B+D
RTIN
VCC RFO
1µ
3
(inversion)
26
2K
F
RTIN
F
4
2K
25
E VREF
E
RFI
5
12K 12K
24
1µ 0.1µ
AGC
6
GND
0.1µ
(inversion)
Balance control
23
TBAL
0.1µ
68K
7
SPD EQ
CAGC ARF 8
0.033µ
Balance control
22
FBAL
68K
21 GCTL
CEA ENVO
ENV DET
9
20 SPDCTL
VGA RF DET VGA VGA VGA
FEN
CFE
10
0.01µ 2200p
19
Subtraction Subtraction
=F
+ +
RFE
11
BDO
CSBDO BDO 12
2200p
=A
E-F TBAL
+
+
18
B-A FBAL
FEO TEN
CTE
17
RTE
13
OFTR
CSBRT OFTR 14
16
TEO
15 NRFDET
BH3515FV
.