adc122s625eb National Semiconductor Corporation, adc122s625eb Datasheet - Page 5

• Manufacturer Part Number: adc122s625eb
• Description: Adc122s625 Dual 12-bit, 50 Ksps To 200 Ksps, Simultaneous Sampling A/d Converter
• Manufacturer: National Semiconductor Corporation

V
DIGITAL INPUT CHARACTERISTICS
V
V
I
C
DIGITAL OUTPUT CHARACTERISTICS
V
V
I
C
POWER SUPPLY CHARACTERISTICS
V
I
I
(Conv)
I
I
PWR
(Conv)
PWR
(PD)
PSRR
AC ELECTRICAL CHARACTERISTICS
f
f
f
t
t
t
IN
OZH
VA
VREF
VA
VREF
SCLK
SCLK
S
ACQ
CONV
AD
Symbol
REF
IH
IL
OH
OL
A
IND
OUT
(Conv)
(PD)
, I
(PD)
OZL
Reference Voltage Range
Input High Voltage
Input Low Voltage
Input Current
Input Capacitance
Output High Voltage
Output Low Voltage
TRI-STATE Leakage Current
TRI-STATE Output Capacitance
Output Coding
Analog Supply Voltage
Analog Supply Current, Continuously
Converting
Reference Current, Continuously
Converting
Analog Supply Current, Power Down
Mode (CS high)
Reference Current, Power Down Mode
(CS high)
Power Consumption, Continuously
Converting
Power Consumption, Power Down Mode
(CS high)
Power Supply Rejection Ratio
Maximum Clock Frequency
Minimum Clock Frequency
Maximum Sample Rate
Minimum Sample Rate
Track/Hold Acquisition Time
Conversion Time
Aperture Delay
Parameter
V
I
I
I
I
Force 0V or V
Force 0V or V
f
kHz, V
f
2.5V
f
f
f
f
f
kHz, V
f
f
See the Specification Definitions for the
test condition
SOURCE
SOURCE
SINK
SINK
SCLK
SCLK
SCLK
SCLK
SCLK
SCLK
SCLK
SCLK
SCLK
IN
= 0V or V
= 200 µA
= 1 mA
= 6.4 MHz, f
= 6.4 MHz, f
= 6.4 MHz, V
= 0, V
= 6.4 MHz, V
= 0, V
= 6.4 MHz, f
= 6.4 MHz, V
= 0, V
A
A
= 200 µA
= 1 mA
= 5V
= 5.0V, V
A
REF
A
5
A
= 5.0V (Note 8)
= 5.0V, V
Conditions
A
A
= 2.5V (Note 8)
S
S
S
REF
A
A
REF
= 200 kSPS, f
= 200 kSPS, f
= 200 kSPS, V
= 5.0V, V
= 5.0V
= 2.5V
= 2.5V
REF
= 2.5V
REF
IN
IN
= 2.5V
REF
= 20
= 20
=
V
V
Typical
A
A
0.01
0.08
0.05
0.05
−85
625
− 0.02
− 0.09
1.7
0.5
8.6
2.6
0.8
20
10
50
20
25
2
2
6
Binary 2'S Complement
V
Limits
A
2.45
12.4
200
1.0
2.4
0.8
0.4
4.5
5.5
1.1
0.1
5.8
6.4
1.6
V
±1
±1
40
50
12
− 0.2
4
4
3
A
www.national.com
SCLK cycles
SCLK cycles
kSPS (min)
kSPS (min)
MHz (max)
mW (max)
MHz (min)
mA (max)
µW (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
pF (max)
pF (max)
V (max)
V (max)
V (max)
V (max)
V (min)
V (min)
V (min)
V (min)
Units
µW
µA
µA
dB
ns
V
V