TDA8046 Datasheet, PDF (39/48 Pages) NXP Semiconductors – Multi-mode QAM demodulator

Philips Semiconductors
Multi-mode QAM demodulator
Product specification
TDA8046
15 INTEGRATED LOOP AMPLIFIERS CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
Integrated loop amplifiers
LOOP AMPLIFIERS
G_OL
G_B
V_ref
V_o
R_L(VSSD)
R_L(VDDD)
open loop gain
gain bandwidth product
reference voltage
output voltage
load to ground
load to supply
ANALOG SWITCHES
Z_SW
switch impedance
closed
open
MIN.
TYP.
MAX. UNIT
−
60
−
1
−
2.5
0.1V_DDA −
5
−
6.5
−
−
5
10
−
−
−
−
0.9V_DDA
−
−
dB
MHz
V
V
kΩ
kΩ
−
kΩ
−
MΩ
16 CHARACTERISTICS OF DIGITAL INPUTS AND OUTPUTS
V_DDD = V_DDA = 5 V; V_DDD(core) = 3.3 V; T_amb = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
Clock outputs: CLKADC and CLKSDV
V_OL
V_OH
T_CLK
t_w
t_r
t_f
R_L
LOW level output voltage
HIGH level output voltage
cycle time
pulse width
rise time
fall time
load resistance
Clock input: CLK
V_i(rms)
T_CLK
t_w
R_source
input voltage level (RMS value)
cycle time
pulse width
source resistance
Digital inputs: DIN8 to DIN0
V_IL
LOW level input voltage
V_IH
High level input voltage
t_SU
set-up time
t_HD
hold time
C_L
load capacitance
40 : 60 duty cycle
C_L = 30 pF
C_L = 30 pF
sine wave
40 : 60 duty cycle
0
−
0.9V_DDD −
35
−
14
−
−
−
−
−
1
−
100
−
35
−
14
−
−
−
−
−
2.0
−
15
−
0
−
−
−
MAX.
UNIT
0.1V_DDD V
V_DDD
V
−
ns
−
ns
6
ns
6
ns
−
kΩ
−
mV
−
ns
−
ns
50
Ω
0.8
V
−
V
−
ns
−
ns
10
pF
1996 Nov 19
39