TDA7541 Datasheet, PDF (25/76 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

TDA7541
Electrical specifications and characteristics
Table 9.
PLL section (continued)
(T_amb=25°C, V_CC1=V_CC2=V_CCMIX1=V_CCVCO=V_CCIF=8.5V, f_Xtal = 10.25 MHz,
V_MPX=500mV_rms mono, f=1kHz, de-emphasis τ=50µs, in application circuit, unless
otherwise specified)
Item Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
42.5 -I₂₀ Source current
42.6 I₂₀ Sink current
42.7 -I₂₀ Source current
42.8 I₂₀ Sink current
43. Loop filter input/output
ICP, V₂₀ = 2.5V
1
mA
1
mA
1.9
mA
1.9
mA
43.1 -I_IN Input leakage current
V_IN = GND: PD_OUT = Tristate -0.1
0.1
μA
43.2 I_IN Input leakage current
V_IN = VREF1 PD_OUT = Tristate -0.1
0.1
μA
43.3 V_OL Output voltage Low
I_OUT = -0.2mA
0.05 0.5
V
43.4 V_OH Output voltage High
I_OUT = 0.2mA
V_CCVCO- V_CCVCO-
0.5 0.05
V
43.5 I_OUT Output current, sink
V_OUT = 1V to V_CCVCO-1V
43.6 I_OUT Output current, source
V_OUT = 1V to V_CCVCO-1V
-10
10
mA
mA
44. Output of tuning voltage (TV)
44.1 V_OUT Output voltage
44.2 IV_stepI Min. voltage step
44.3 IV_maxI Max. voltage offset
44.4 ΔV Additional offset voltage
44.5
44.6
R_OUT
R_OUT
Output impedance
Output impedance
45. SSTOP output (open collector)
TVO
TVO
TVM=1, TVO+
TVM=0
TVM=1
0.5
V_VCO-
0.5
V
25
mV
3175
mV
3.175
V
40
kΩ
20
kΩ
45.1 V₂₄ Output voltage low
45.2 V₂₄ Output voltage high
45.3 -I₂₄ Output leakage current
45.4 I₂₄ Output current, sink
Internal unfiltered field
45.5 V_37SSTH strength threshold for
SSTOP=HIGH
Internal unfiltered field
45.6 V_27SSTH strength threshold for
SSTOP=HIGH
I₂₄ = -200μA
V ₂₄ = 5V
V ₂₄ = 0.5V to 5V
SSTH, FMON=1
SSTH, FMON=0
SL = “011”
0.2 0.5
V
5
V
-0.1
0.1
μA
1
mA
2.6
4.1
V
1.2
4.8
V
46. Switch output
46.1 V_OL Output Voltage low
46.2 V_OH Output Voltage high
SWM”1”,SW”0”, I₂₄ = -5μA
SWM”1”,SW”1”
0.35 0.5
V
V_CC-1
V
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