Rainbow Electronics ADC1175-50 - Manual (Page 5)

Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (AV
DD
, DV
DD
) 6.5V
Voltage on Any Input or Output Pin −0.3V to +6.5V
Reference Voltage (V
RT
, V
RB
) AV
DD
to V
SS
CLK, PD Voltage Range −0.5 to (AV
DD
+0.5V)
Digital Output Voltage (V
OH
, V
OL
) V
DD
to V
SS
Input Current at Any Pin (Note 3) ± 25 mA
Package Input Current (Note 3) ± 50 mA
Power Dissipation at T
A
= 25˚C See (Note 4)
ESD Susceptibility (Note 5)
Human Body Model 2000V
Machine Model 250V
Soldering Temperature, Infrared,
(10 sec.) (Note 6) 235˚C
Storage Temperature −65˚C to +150˚C
Short Circuit Duration
(Single High Output to Ground) 1 Second
Operating Ratings
(Notes 1, 2)
Operating Temperature Range −20˚C
≤
T
A
≤
+75˚C
Supply Voltage (AV
DD
, DV
DD
) +4.75V to +5.25V
AV
DD
− DV
DD
< 0.5V
Ground Difference |DV
SS
–AV
SS
| 0V to 100 mV
Upper Reference Voltage (V
RT
) 1.0V to V
DD
Lower Reference Voltage (V
RB
) 0V to 4.0V
V
IN
Voltage Range V
RB
to V
RT
Converter Electrical Characteristics
The following specifications apply for AV
DD
= DV
DD
= +5.0 V
DC
, PD = 0V, V
RT
= +2.6V, V
RB
= 0.6V, C
L
= 20 pF, f
CLK
=
50 MHz at 50% duty cycle. Boldface limits apply for T
A
= T
MIN
to T
MAX
; all other limits T
A
= 25˚C (Notes 7, 8).
Symbol Parameter Conditions
Typical
(Note 9)
Limits
(Note 9)
Units
(Limits)
DC ACCURACY
INL Integral Non Linearity Error V
IN
= 0.6V to 2.6V ± 0.8 ± 1.95 LSB (max)
DNL Differential Non-Linearity
V
IN
= 0.6V to 2.6V +0.7 +1.75 LSB (max)
−0.7 −1.0 LSB (min)
Resolution for No Missing
Codes
8 Bits
E
OT
Top Offset Voltage −12 mV
E
OB
Bottom Offset Voltage +10 mV
VIDEO ACCURACY
DP Differential Phase Error f
IN
= 4.43 MHz Modulated Ramp 0.5 deg
DG Differential Gain Error f
IN
= 4.43 MHz Modulated Ramp 1.0 %
ANALOG INPUT AND REFERENCE CHARACTERISTICS
V
IN
Input Range 2.0
V
RB
V (min)
V
RT
V (max)
C
IN
V
IN
Input Capacitance
V
IN
= 1.5V
+0.7 Vrms
(CLK LOW) 4 pF
(CLK HIGH) 7 pF
R
IN
R
IN
Input Resistance > 1 M
Ω
BW Full Power Bandwidth 120 MHz
R
RT
Top Reference Resistor 320
Ω
R
REF
Reference Ladder Resistance V
RT
to V
RB
270
200
350
Ω
(min)
Ω (max)
R
RB
Bottom Reference Resistor 80
Ω
I
REF
Reference Ladder Current
V
RT
= V
RTS
, V
RB
= V
RBS
7
5.4 mA (min)
10.8 mA (max)
V
RT
= V
RTS
, V
RB
= AV
SS
8
6.1 mA (min)
12.3 mA (max)
V
RT
Reference Top Self Bias
Voltage V
RT
Connected to V
RTS
, V
RB
Connected to V
RBS
2.6
V (min)
V (max)
V
RB
Reference Bottom Self Bias
Voltage V
RT
Connected to V
RTS
, V
RB
Connected to V
RBS
0.6
0.55
0.70 V (min)
V (max)
ADC1
175-50
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