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Datasheet: adc1401x (Samsung semiconductor)

ADC1401X 0.13µm 10-BIT 30MSPS ADC ; Function = ADC ; Configuration = 10BIT 30MSPS ; Library Type = - ; Characteristic = -

 

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Samsung semiconductor
ADC1401X
0.13

m 10-BIT 30MSPS ADC
1
GENERAL DESCRIPTION
The adc1401x is a CMOS 10-bit low-voltage and high-speed A/D converter (ADC) for video and other
applications. It has a four-step pipelined architecture, which consists of sample & hold amplifier, multiplying D/A
converters (DACs), and subranging flash ADCs.
The maximum conversion rate of adc1401x is 30MSPS and supply voltage is 2.5V single.
FEATURES
--
Resolution
10-bit
-- Differential
linearity
error:
1.0
LSB
-- Integral
linearity
error:
2.0
LSB
-- Maximum
conversion
rate:
30MSPS
-- Sample
&
hold
function
implemented
-- Low
power
consumption:
70
mW (Typ)
-- Power
supply:
2.5V
Single
-- Operation
temperature
range:
40
C ~ 85
C
TYPICAL APPLICATIONS
-- CCD imaging processors
-- Camcorders, scanners, and security cameras.
-- Read channel LSI
HDD, DVD, and CD-ROM drives
-- IF and baseband signal digitizers
-- Portable equipments for low-power applications
0.13

m 10-BIT 30MSPS ADC
ADC1401X
2
FUNCTIONAL BLOCK DIAGRAM
Flash1
SHA
MDAC1
Flash2
MDAC2
Flash3
MDAC3
Flash4
Digital Correction Logic (DCL)
Bias
Current
Generator
Clock
Generator
CML Level
Generator
STC
PD
ITEST
CKIN
AINT
AINC
EOC
DO[9:0]
CML
REFTOP
REFBOT
AVDD25A
AVSS25A
AVBB25A
AVDD25D
AVSS25D
AVBB25D
SPEEDUP
Ver 1.0 (Apr. 2002)
This data sheet is a preliminary version. No responsibility is assumed by SEC for its use nor for any infringements of patents
or other rights of third parties that may result from its use. The content of this data sheet is subject to change without any
notice.
ADC1401X
0.13

m 10-BIT 30MSPS ADC
3
CORE PIN DESCRIPTION
Name
I/O Type
I/O Pad
Pin Description
AINT
AI
pmiar10_abb
Analog
input
+
(
0.95V
~
1.55V)
AINC
AI
pmiar10_abb
Analog
input
-
(1.55V ~ 0.95V)
REFTOP
AI
pmia_abb
Reference
top
(1.55V)
REFBOT
AI
pmia_abb
Reference
bottom (0.95V)
AVDD25A
AP
vdd25tm_abb
Analog
power
(2.5V)
AVSS25A
AG
vsstm_abb
Analog
ground
AVBB25A
AG
vbbm_abb
Analog
sub
bias
ITEST
AB
pmia_abb
Test pin (normally, open)
PD
DI
pmicc_abb
Power down
mode (normally,
gnd)
STC
DI
pmicc_abb
Start
of
conversion
signal
(normally,
high)
SPEEDUP
DI
pmicc_abb
Speed
test
pin (normally,
gnd)
CKIN
DI
pmicc_abb
Sampling
clock
input
CML
AB
pmoa_abb
Test
pin (normally, open)
DO[9:0]
DO
pmot8_abb
Digital
output
EOC
DO
pmot8_abb
End
of
conversion
signal
AVBB25D
DG
vbbm_abb
Digital
sub
bias
AVSS25D
DG
vsstm_abb
Digital
ground
AVDD25D
DP
vdd25tm_abb
Digital
power
I/O
Type
Abbr.
-- AI: Analog Input
-- DI: Digital Input
-- AO: Analog Output
-- DO: Analog Output
-- AP: Analog Power
-- AG: Analog Ground
-- DP: Digital Power
-- DG: Digital Ground
-- AB: Analog Bi-Direction
-- DB: Digital Bi-Direction
0.13

m 10-BIT 30MSPS ADC
ADC1401X
4
CORE CONFIGURATION
REFTOP
REFBOT
AINT
AINC
CKIN
AVDD25A
AVSS25A
AVBB25A
AVSS25D
AVBB25D
SPEEDUP
DO[9:0]
EOC
STC
PD
CML
ITEST
AVDD25D
adc1401x
ADC1401X
0.13

m 10-BIT 30MSPS ADC
5
ABSOLUTE MAXIMUM RATINGS
Characteristic
Symbol
Value
Unit
Supply voltage
VDD
3.6
V
Analog input voltage
AIN
VSS to VDD
V
Digital input voltage
CLK
VSS to VDD
V
Digital output voltage
V
OH
, V
OL
VSS to VDD
V
Storage temperature range
Tstg
45 to 150
C
NOTES:
1.
Absolute
maximum
rating
specifies
the
values
beyond
which
the
device
may
be
damaged
permanently.
Exposure
to
absolute
maximum
rating
conditions
for
extended
periods
may
affect
reliability.
Each
condition
value
is
applied
with
the
other
values
kept
within
the
following
operating
conditions
and
function
operation
under
any
of
these
conditions
is
not
implied.
2.
All
voltages
are
measured
with
respect
to
VSS
unless
otherwise
specified.
3.
100pF
capacitor
is
discharged
through
a
1.5k
resistor
(Human
body
model).
RECOMMENDED OPERATING
CONDITIONS
Characteristics
Symbol
Min
Typ
Max
Unit
Supply voltage
AVDD25A AVSS25A
AVDD25D AVSS25D
2.38
2.5
2.63
V
Supply voltage difference
AVDD25A AVDD25D
0.1
0.0
0.1
V
Reference input voltage (externally)
REFTOP
REFBOT

1.55
0.95

V
Analog input voltage (+)
AINT
0.95
1.55
V
Analog input voltage (-)
AINC
1.55
0.95
V
Operating temperature
Topr
40
85
C
NOTE: is
strongly
recommended
that
all
the
supply
pins
(AVDD25A,
AVDD25D)
be
powered
from
the
same
source
to
avoid
power
latch-up.
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