TDA8772 Datasheet, PDF (8/20 Pages) NXP Semiconductors – Triple 8-bit video digital-to-analog converter

Philips Semiconductors
Triple 8-bit video digital-to-analog
converter
Product specification
TDA8772
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Voltage reference (pin 34, referenced to V_SSA)
V_ref
output reference voltage
Outputs
1.180
1.242 1.305
V
OUTB, OUTR, OUTG ANALOG OUTPUTS (PINS 36, 44 AND 40, REFERENCED TO V_SSA) R_L = 75 Ω; SEE TABLES 1 AND 2
FSR
full-scale output voltage range
0.9
1.0
1.1
V
V_os
offset of analog voltage output
0.75
0.83
0.95
V
V_OUTmax maximum output voltage
data inputs = logic 1;
1.65
1.83
2.05
V
note 2
V_OUTmin minimum output voltage
THD
total harmonic distortion
Z_L
output load impedance
data inputs = logic 0;
0.75
0.83
0.95
V
note 2
f_i = 4.43 MHz;
f_clk = 35 MHz
f_i = 4.43 MHz;
f_clk = 85 MHz
−
−45
−
dB
−
−43
−
dB
60
75
90
Ω
Transfer function
INL
DNL
α_CT
m
integral non-linearity
differential non-linearity
crosstalk DAC to DAC
DAC to DAC matching
f_clk = 35 MHz; ramp input −
f_clk = 85 MHz; ramp input −
f_clk = 35 MHz; ramp input −
f_clk = 85 MHz; ramp input -
−45
−
±0.5
±1
LSB
±0.75 ±1.2
LSB
±0.25 ±0.5
LSB
±0.5
±0.75
LSB
−
−
dB
1.0
2.0
%
Switching characteristics (R_L = 75 Ω); see Fig.4
t_d
input to 50% output delay time full-scale change
−
10
−
ns
t_s1
settling time
10% to 90% full-scale −
6
−
ns
change
t_s2
settling time
to ±1 LSB
−
30
−
ns
Output transients (glitches)
V_g
area for 1 LSB change
−
1
−
LSB.ns
Notes
1. Minimum and maximum data of current and power consumption are measured in worse case conditions: for
minimum data, all digital inputs are at logic level 0 while for maximum data, all digital inputs are at logic level 1.
2. V_OUT is directly proportional to V_ref.
1997 Mar 06
8