SN761672A Datasheet, PDF (7/18 Pages) Texas Instruments – TV/VCR TUNER IC

SN761672A
TV/VCR TUNER IC
electrical characteristics
SLLS437 – JANUARY 2001
total device and serial interface (V_CC 4.5 V to 5.5 V, T_A = –20°C to 85°C) (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX
ICC(1)
ICC(2)
VIH
VIL
IIH
IIL
V(POR)
Supply current 1
Supply current 2
High-level input voltage (SCL, SDA)
Low-level input voltage (SCL, SDA)
High-level input current (SCL, SDA)
Low-level input current (SCL, SDA)
Power on reset supply voltage
One band switch ON – I(BS) = 10 mA
Threshold of supply voltage between
reset and operation mode
60
80
70
90
3
1.5
10
–10
2.1 2.8 3.5
V(ASH)
V(ASM)
V(ASL)
I(ASH)
I(ASL)
V(ADC)
IIL(ADH)
IIL(ADL)
f(SCL)
th(HLD)
VOL
Ilkg(SDA)
High
Address select input voltage (AS)
Mid
Low
Address select input current (AS)
High
Low
ADC input voltage
ADC high-level input current
ADC low-level input current
Clock frequency (SCL)
Data hold time
Low-level output voltage (SDA)
High-level output leakage current (SDA)
0.9 VCC ~ VCC
0.4 VCC ~ 0.6 VCC
0 VCC ~ 0.1 VCC
See Table 9
V(ADC) = VCC
V(ADC) = 0 V
See timing chart, Figure 1
VCC = 5 V,
V(SDA) = 5.5 V
IOL = 3 mA
4.5
5
2
3
0.5
10
–10
0
VCC
10
–10
100 400
0
0.4
10
UNIT
mA
mA
V
V
µA
µA
V
V
µA
V
µA
µA
kHz
µs
V
µA
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
MIN TYP
N
Divider ratio
14-bit frequency word
256
15-bit frequency word
256
F(XTAL)
Z(XTAL)
V(VTUL)
I(VTUOFF)
I(CPH)
I(CPL)
V(CP)
I(CPOFF)
Crystal oscillator
Crystal oscillator input impedance
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
RXTAL = 25 Ω to 300 Ω
RL = 27K,
OS = 1,
CP = 1
CP = 0
In-lock
T2 = 0, T1 = 1,
TA = 25°C
V(TU) = 33 V
V(TU) = 33 V
VCP = 2 V,
4
1.6
0.2 0.3
280
60
1.95
–15
I(BS)
V(SBS1)
V(SBS2)
Band switch driver output current
Band switch driver output voltage
I(BS) = 10 mA
I(BS) = 10 mA,
TA = 25°C
VCC = 5 V,
3
3.5 3.9
Ilkg(BSOFF) Band switch driver leakage current
V(BS) = 0 V
MAX
16383
32767
0.46
10
15
10
3
UNIT
MHz
k
V
µA
µA
µA
V
nA
mA
V
µA
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