adc122s706eb National Semiconductor Corporation, adc122s706eb Datasheet - Page 6

• Manufacturer Part Number: adc122s706eb
• Description: Dual 12-bit, 500 Ksps To 1 Msps, Simultaneous Sampling A/d Converter
• Manufacturer: National Semiconductor Corporation

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PWR
(Conv)
PWR
(PD)
PSRR
AC ELECTRICAL CHARACTERISTICS
f
f
f
t
t
t
SCLK
SCLK
S
ACQ
CONV
AD
Symbol
Power Consumption, Continuously
Converting (Dual Data Output Mode)
Power Consumption, Continuously
Converting (Single Data Output Mode)
Power Consumption, Power Down Mode
(CS high)
Power Supply Rejection Ratio
Maximum Clock Frequency
Minimum Clock Frequency
Maximum Sample Rate
Track/Hold Acquisition Time
Conversion Time
Aperture Delay
Parameter
f
kHz, V
= V
f
kHz, V
DUAL = V
f
kHz, V
= 0V
f
kHz, V
DUAL = 0V
f
2.5V
f
See the Specification Definitions for the
test condition
SCLK
SCLK
SCLK
SCLK
SCLK
SCLK
D
= 16 MHz, f
= 16 MHz, f
= 16 MHz, V
= 16 MHz, f
= 16 MHz, f
= 0, V
A
A
A
A
= V
= 5V, V
= V
= 5V, V
D
A
D
D
6
= V
Conditions
= 5V, V
= 5V, V
D
D
S
S
D
S
S
= 3V, V
= 3V, V
A
= 500 kSPS, f
= 500 kSPS, f
= 5.0V, V
= 1 MSPS, f
= 1 MSPS, f
= V
REF
REF
D
= 5.0V, V
= 2.5V, DUAL
= 2.5V, DUAL
REF
REF
REF
= 2.5V,
= 2.5V,
IN
IN
IN
IN
= 2.5V
= 100
= 100
= 100
= 100
REF
=
Typical
13.6
10.9
1.25
100
−85
3.1
0.8
25
20
20
6
Limits
31.3
25.2
20.6
16.8
6.5
16
12
8
1
3
SCLK cycles
SCLK cycles
MSPS (min)
MHz (max)
mW (max)
mW (max)
mW (max)
mW (max)
MHz (min)
µW (max)
(Note 7)
Units
µW
dB
ns