AT1175
Preliminary Product Information
8-Bit 20MSPS CMOS VIDEO A/D CONVERTER
Absolute Maximum Ratings (Beyond which damage may occur) 250C
Supply Voltages
Temperature
VDD …………………………………………...-0.5 to +7.0 V
Input Voltages
Operating Temperature …………..…………-20 to +700C
Junction Temperature ………………………………1750C
Lead Temperature, (Soldering 10 seconds) ………..3000C
Storage Temperature …………………...….-55 to +1250C
Analog Input ………………………………...AGND to VDD
Reference Input Voltage ………………….…AGND to VDD
ESD Susceptibility ………………………………±1,500V
Electrical Specifications
Ta=+250C, AVDD=DVDD= VDD =+5.0V, AGND=DGND=0.0V, VRB=1V and VRT=3V, fs=20 MSPS ,unless otherwise specified.
PARAMETERS
TEST CONDICTION
MIN
TYP
MAX UNITS
Resolution
8
Bits
DC Accuracy (+250C)
Integral Nonlinearity
Differential Nonlinearity
Zero Scale Error
fs=20 MSPS,
VIN =1.0V to 3.0V
EZS
LSB
LSB
±0.8
±0.5
mV
mV
-10
0
-35
-60
60
Full Scale Error
EFS
45
No Missing Codes
Guaranteed
Analog Input
Input Voltage Range
Input Bias Current
Input Resistance
Input Capacitance
VIN
VRB
100
VRT
V
±5.0
μA
kΩ
pF
200
15
Reference Input
Reference Ladder Resistance
Reference Current
VRT to VRB
200 270
340
Ω
mA
V
VRT - VRB =2.0V
VRB
5.2
0.0
2.0
1.0
7.5
0.6
2.6
-
10.5
3.0
Reference Input Voltage
VRT
VDD
5.0
V
Reference Differential
Internal Bias1
VRT - VRB
V
VRB
0.55 0.60 0.65
V
VRT –VRB
1.9
2.0
2.1
V
Short VRT and VRTS
Short VRB and VRBS
Short VRT and VRTS
Short VRB and AGND
Internal Bias2 (VRT)
2.25 2.39 2.53
V
Dynamic Performance
Signal-To-Noise Ratio
fin=1.667MHz
fs=14.29 MSPS
44
43
46
dB
dB
fin=3.85MHz
Spurious Free Dynamic Range
fin=1.667MHz
fs=14.29 MSPS
43
41
48
42
dB
dB
fin=3.85MHz
Differential Phase
Differential Gain
Digital Inputs
NTSC 40 IRE Mod Ramp
fs=14.3 MSPS
0.7
1.0
Degrees
%
Voltage, Logic High
4.0
VDD
V
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email: service@aimtron.com.tw
3
AIMTRON [ AIMTRON TECHNOLOGY ]
