AT1175 Datasheet, PDF (4/6 Pages) Aimtron Technology – 8-BIT 20MSPS CMOS VIDEO A/D CONVERTER

AT1175
Preliminary Product Information
8-Bit 20MSPS CMOS VIDEO A/D CONVERTER
Voltage, Logic Low
Input Current, Logic High
Input Current, Logic Low
0
V_DD=max, V_IH=V_DD
V_DD=max, V_IL=DGND
1.0
V
5.0
μA
5.0
μA
Digital Outputs
Output Current, Logic High
Output Current, Logic Low
Output Current, High ‘Z’
Voltage , Logic High
Voltage , Logic Low
V_DD=min
V_DD=min
V_DD=max
I_OH =-4mA
I_OL =4mA
V_OH=4.25V
V_OL=0.4V
/OE=V_DD
- 1.1
2.0
3.5
mA
mA
±1
μA
V
0.8
V
Power Supply Requirements
AV_DD (Analog Supply Voltage)
+4.75 +5.0 +5.25
V
DV_DD (Digital Supply Voltage)
+4.75 +5.0 +5.25
V
Supply Voltage Difference
(AV_DD-DV_DD)
-0.1 0.0
0.1
V
Supply Current
fs=20 MSPS(Does not
30
mA
include ref. current)
Power Dissipation
NTSC ramp wave input
150
mW
Timing Specifications
T_a=+25⁰C, AV_DD=DV_DD= V_DD =+5.0V, AGND=DGND=0.0V, V_RB=1V and V_RT=3V, fs=20 MSPS ,unless otherwise specified.
PARAMETERS
f_S Maximum conversion rate
t_W(H) Pulse Width High
t_W(L) Pulse Width Low
t_d(D) Digital output delay time
t_AJ Aperture jitter time
t_d(S) Sampling delay time
t_en Output Enable time
t_dis Output Disable time
TEST CONDICTION
f_in=1kHz ramp
C_L≦10pF
MIN
20
15
15
C_L=10pF
C_L=10pF
TYP MAX
18 30
30
4
5
7
UNITS
MSPS
ns
ns
ns
ps
ns
ns
ns
tw(H) tw(L)
Clock
Analog
input
N
td(s)
N+1
td(D)
N+2
N+3
N+4
N+5
Data
Output
OE
N-3
N-2
N-1
N
tdis
N+2
ten
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone]
WWW: http://www.aimtron.com.tw
Fax: [phone]
Email: [e-mail]
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