AT1175
Preliminary Product Information
8-Bit 20MSPS CMOS VIDEO A/D CONVERTER
Absolute Maximum Ratings (Beyond which damage may occur) 25
0
C
Supply Voltages
V
DD
…………………………………………...-0.5 to +7.0 V
Input Voltages
Analog Input ………………………………...AGND to V
DD
Reference Input Voltage ………………….…AGND to V
DD
ESD Susceptibility ………………………………±1,500V
Temperature
Operating Temperature …………..…………-20 to +70
0
C
Junction Temperature ………………………………175
0
C
Lead Temperature, (Soldering 10 seconds) ………..300
0
C
Storage Temperature …………………...….-55 to +125
0
C
Electrical Specifications
T
a
=+25
0
C, 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
Resolution
DC Accuracy (+25
0
C)
Integral Nonlinearity
Differential Nonlinearity
Zero Scale Error
Full Scale Error
No Missing Codes
Analog Input
Input Voltage Range
Input Bias Current
Input Resistance
Input Capacitance
Reference Input
Reference Ladder Resistance
Reference Current
Reference Input Voltage
Reference Differential
Internal Bias1
TEST CONDICTION
MIN
8
TYP
MAX UNITS
Bits
LSB
LSB
mV
mV
fs=20 MSPS,
V
IN
=1.0V to 3.0V
EZS
EFS
-10
0
V
RB
100
±0.8
±0.5
-35
-60
45
60
Guaranteed
V
RT
±5.0
200
15
270
7.5
0.6
2.6
-
0.60
2.0
2.39
340
10.5
3.0
V
DD
5.0
0.65
2.1
2.53
V
IN
V
μA
kΩ
pF
Ω
mA
V
V
V
V
V
V
Internal Bias2 (V
RT
)
Dynamic Performance
Signal-To-Noise Ratio
fin=1.667MHz
fin=3.85MHz
Spurious Free Dynamic Range
fin=1.667MHz
fin=3.85MHz
Differential Phase
Differential Gain
Digital Inputs
Voltage, Logic High
V
RT
to V
RB
V
RT
- V
RB
=2.0V
V
RB
V
RT
V
RT
- V
RB
V
RB
V
RT
–V
RB
Short V
RT
and V
RTS
Short V
RB
and V
RBS
Short V
RT
and V
RTS
Short V
RB
and AGND
fs=14.29 MSPS
200
5.2
0.0
2.0
1.0
0.55
1.9
2.25
44
43
fs=14.29 MSPS
43
41
NTSC 40 IRE Mod Ramp
fs=14.3 MSPS
4.0
46
48
42
0.7
1.0
V
DD
dB
dB
dB
dB
Degrees
%
V
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
WWW:
http://www.aimtron.com.tw
Fax: 886-3-563-0879
Email:
service@aimtron.com.tw
3
AIMTRON [ AIMTRON TECHNOLOGY ]
