U2510B Datasheet, PDF (3/15 Pages) ATMEL Corporation – All-Band AM/FM Receiver and Audio Amplifier

Terminal Voltages
Test circuit: V_in = 0
Pin
1 Mute voltage (R₃ = 0)
2 FM discriminator
3 Negative feedback
4 Volume control input (S₄ = A)
5 AM oscillator
6 FM AFC
7 FM oscillator
8 V_Ref
9 FM RF tank
10 AM input
11 FM AGC
12 FM input
13 Front end ground
14 AM/FM IF output
15 Mode control switch
16 AM IF input
17 FM IF input
18 Treble control input (S₅ = A)
19 LED
20 IF ground
21 AFC switch (S₃ = off)
22 AGC (AM)/AFC (FM)
23 Detector output
24 AF input
25 Ripple filter
26 Supply voltage
27 AF output
28 AF ground
U2510B
Symbol
V₁
V₂
V₃
V₄
V₅
V₆
V₇
V₈
V₉
V₁₀
V₁₁
V₁₂
V₁₃
V₁₄
V₁₅
V₁₆
V₁₇
V₁₈
V₁₉
V₂₀
V₂₁
V₂₂
V₂₃
V₂₄
V₂₅
V₂₆
V₂₇
V₂₈
Voltage/V
V_S = 3 V
V_S = 6 V
AM FM TAPE AM FM TAPE
– 1.6 –
– 1.6 –
– 1.0 –
– 1.0 –
1.2 1.2 1.2 2.6 2.6 2.6
2.4 2.4 2.4 2.4 2.4 2.4
2.4 –
– 2.4 –
–
– 1.9 –
– 1.9 –
– 2.4 –
– 2.4 –
2.4 2.4 2.4 2.4 2.4 2.4
– 2.4 2.4 – 2.4 –
2.4 –
–
– 2.4 –
–
0
–
–
0
–
1.4 –
– 1.4 –
–
–
–
–
–
–
2.9 2.7 – 5.9 5.7 –
0
– 2.9 0
– 5.7
0
–
–
0
–
–
– 0.7 –
– 0.7 –
2.4 2.4 2.4 2.4 2.4 2.4
0
0
0
0
0
0
1.2 1.2 1.2 1.2 1.2 1.2
1.5 1.2 – 1.5 1.2 –
1.5 1.2 – 1.5 1.2 –
1.5 1.5 1.5 1.5 1.5 1.5
2.7 2.7 2.7 5.3 5.3 5.3
3.0 3.0 3.0 6.0 6.0 6.0
1.2 1.2 1.2 2.6 2.6 2.6
0
0
0
0
0
0
Rev. A3, 23-Feb-01
3 (15)