TDA8758 Datasheet, PDF (8/24 Pages) NXP Semiconductors – YC 8-bit low-power analog-to-digital video interface

Philips Semiconductors
YC 8-bit low-power analog-to-digital video
interface
Product specification
TDA8758
SYMBOL
PARAMETER
CONDITIONS
SEL1 AND SEL2 TTL INPUTS; see Table 1
V_IL
LOW level input voltage
V_IH
HIGH level input voltage
I_IL
LOW level input current
I_IH
HIGH level input current
V_I = 0.4 V
V_I = 2.7 V
GATE A AND GATE B TTL INPUTS; see Figs 5 and 6
V_IL
LOW level input voltage
V_IH
HIGH level input voltage
I_IL
LOW level input current
I_IH
HIGH level input current
V_I = 0.4 V
V_I = 2.7 V
AGC INPUT (PIN 13); see Fig.8
V_13(min)
V_13(max)
I₁₂
AGC voltage for minimum gain at −3 dB
AGC voltage for maximum gain at +3 dB
AGC output current
C-CHANNEL CLAMP INPUT (PIN 48)
V₄₈
CLAMP voltage for code 128 output
I₄₈
CLAMP output current
Y-CHANNEL CLAMP INPUT (PIN 7)
V₇
CLAMP voltage for code 64 output
I₇
CLAMP output current
Video amplifier dynamic characteristics
α_ct
crosstalk between video inputs
(pins 2, 4, 6, 9 and 11)
V_CCA = 4.75 to 5.25 V
B
−3 dB bandwidth
∆G
gain range
G_stab
gain stability as a function of:
supply voltage
supply voltage and temperature
f_i = 4.43 MHz
Analog-to-digital converter inputs
CLK INPUT (PIN 42)
V_IL
LOW level input voltage
V_IH
HIGH level input voltage
I_IL
LOW level input current
I_IH
HIGH level input current
C_I
input capacitance
V_clk = 0.4 V
V_clk = 2.7 V
f_clk = 32 MHz
MIN. TYP. MAX. UNIT
0
−
2.0
−
−400 −
−
−
0.8
V
V_CCD V
−
µA
20
µA
0
−
2.0
−
−400 −
−
−
0.8
V
V_CCD V
−
µA
20
µA
−
3.3
−
V
−
3.75 −
V
see Table 2
−
3.45 −
V
see Table 3
−
3.70 −
V
see Table 3
−
−63 −55 dB
−
15
−
MHz
−3
−
+3
dB
−
−
0.5
%
−
−
6
%
0
−
2.0
−
−400 −
−
−
−
2
0.8
V
V_CCD V
−
µA
20
µA
−
pF
1996 Feb 01
8