TDA8261TW Datasheet, PDF (12/22 Pages) NXP Semiconductors – Satellite Zero-IF QPSK/8PSK downconverter with PLL synthesizer

Philips Semiconductors
Satellite Zero-IF QPSK/8PSK
downconverter with PLL synthesizer
Product specification
TDA8261TW
SYMBOL
PARAMETER
CONDITIONS
Z_osc
crystal oscillator negative
impedance (absolute value)
f_xtal
Z_xtal
V_XTOUT(p-p)
crystal frequency
crystal series resistance
crystal oscillator output voltage
on pin XTOUT (peak-to-peak
value)
recommended value
T2 = 1; T1 = 0; T0 = 0;
driving a load of
CL = 10 pF; R_L = 1 MΩ
Charge pump output; pin CP
I_L
leakage current
Tuning voltage output; pin VT
T2 = 1; T1 = 1; T0 = 0
I_L(off)
V_o(VT)
leakage current when switch off T2 = 0; T1 = 0; T0 = 1;
V_tune = 33 V
output voltage when the loop is normal mode;
locked
V_tune = 33 V
Bus voltage select input; pin BVS
I_LIH
HIGH-level leakage current
V_BVS = V_CC
I_LIL
LOW-level leakage current
V_BVS = 0 V
SCL and SDA inputs
V_IL
LOW-level input voltage
V_IH
HIGH-level input voltage
I_LIH
HIGH-level leakage current
I_LIL
f_SCL
SDA output
LOW-level leakage current
SCL input frequency
V_BVS = open
V_BVS = 0 V
V_BVS = 5 V
V_BVS = open
V_BVS = 0 V
V_BVS = 5 V
V_IH = 5.5 V; V_CC = 5.5 V
V_IH = 5.5 V; V_CC = 0 V
V_IL = 0 V; V_CC = 5.5 V
V_ACK
output voltage during
acknowledge
I_sink = 3 mA
AS input
I_IH
HIGH-level input current
V_AS = V_CC
I_IL
LOW-level input current
V_AS = 0 V
MIN. TYP.
1.0
1.5
−
4
−
−
500
650
−10
0
−
−
0.2
−
−
−
−100 −
−
−
−
−
−
−
0.46V_CC −
0.35V_CC −
0.6V_CC −
−
−
−
−
−10
−
−
−
−
−
−
−
−10
−
MAX. UNIT
−
kΩ
−
MHz
200
Ω
−
mV
+10
nA
10
µA
32.7 V
100
µA
−
µA
0.2V_CC V
0.15V_CC V
0.3V_CC V
−
V
−
V
−
V
10
µA
10
µA
−
µA
400
kHz
0.4
V
10
µA
−
µA
2004 Dec 02
12