MAX1278 Maxim Integrated Products, MAX1278 Datasheet - Page 8

• Manufacturer Part Number: MAX1278
• Description: (MAX1276 / MAX1278) 12-Bit ADCs
• Manufacturer: Maxim Integrated Products

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1.8Msps, Single-Supply, Low-Power, True-
Differential, 12-Bit ADCs with Internal Reference
(V
ured at T
8
DD
_______________________________________________________________________________________
= +5V, V
A
= +25°C)
L
= V
DD
, f
4.12
4.10
4.08
4.06
1.0
0.8
0.6
0.4
0.2
SCLK
0
-40
-40
FULL/PARTIAL POWER-DOWN, f
= 28.8MHz, f
-15
-15
REFERENCE VOLTAGE
V
CONVERSION, f
vs. TEMPERATURE
vs. TEMPERATURE
L
TEMPERATURE (°C)
TEMPERATURE (°C)
SUPPLY CURRENT
10
10
SAMPLE
SCLK
35
35
4.12
4.11
4.10
4.09
4.08
Typical Operating Characteristics (continued)
= 28.8MHz
CLK
= 1.8Msps, T
= 28.8MHz
0
60
60
vs. LOAD CURRENT (SINK)
100
85
85
REFERENCE VOLTAGE
LOAD CURRENT (µA)
A
200
= T
MIN
4.10
4.09
4.08
4.07
4.06
300
1.0
0.8
0.6
0.4
0.2
0
to T
0
0
MAX
400
vs. LOAD CURRENT (SOURCE)
, unless otherwise noted. Typical values are meas-
2
vs. CONVERSION RATE
500
REFERENCE VOLTAGE
V
L
500
LOAD CURRENT (mA)
SUPPLY CURRENT
f
SAMPLE
4
V
L
= 5V
1000
V
L
(kHz)
= 1.8V
6
1500
V
L
8
= 3V
2000
10