SN761678B_14 Datasheet, PDF (8/21 Pages) Texas Instruments – TV TUNER IC

SN761678B
TV TUNER IC
SLES185 – JUNE 2006
Electrical Characteristics – PLL and Band Switch
V_CC = 4.5 V to 5.5 V, T_A = –20°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
N
Divider ratio
15-bit frequency word
f_XTAL
Z_XTAL
V_IXTAL2
V_VTUL
I_VTUOFF
I_CPH
I_CPL
V_CP
I_CPOFF
I_BS
V_BS1
V_BS2
I_BSOFF
Crystal oscillator frequency
Crystal oscillator input impedance
Minimum reference input sensitivity (XTAL)
Tuning amplifier low-level output voltage
Tuning amplifier leakage current (off)
Charge-pump high-level input current
Charge-pump low-level input current
Charge-pump output voltage
Charge-pump leakage current
Band-switch driver output current
Band-switch driver output voltage
Band-switch driver leakage current
R_XTAL = 25 Ω to 300 Ω
4 MHz, ac coupling with 0.1-µF capacitor
R_L = 22 kΩ, V_TU = 33 V
OS = 1, V_TU = 33 V
CP = 1
CP = 0
PLL locked
T2 = 0, T1 = 1, V_CP = 2 V, T_A = 25°C
I_BS = 10 mA
I_BS = 10 mA, V_CC = 5 V, T_A = 25°C
V_BS = 0 V
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MIN TYP MAX UNIT
256
32767
3.2
4 4.48 MHz
1.6
kΩ
100 mVp-p
0.4
0.5 V
10 µA
280
µA
60
µA
1.95
V
–15
15 nA
10 mA
3
V
3.5 3.9
3 µA
8
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