MAX1278 Maxim Integrated Products, MAX1278 Datasheet - Page 7

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

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(V
ured at T
DD
Differential, 12-Bit ADCs with Internal Reference
= +5V, V
A
= +25°C)
L
= V
DD
_______________________________________________________________________________________
1.8Msps, Single-Supply, Low-Power, True-
, f
-100
-120
-140
-20
-40
-60
-80
1.0
0.8
0.6
0.4
0.2
SCLK
12
0
0
9
6
3
0
-40
-40
0
V
V
DD
= 28.8MHz, f
DD
TWO-TONE IMD PLOT (MAX1276)
f
IN1
, f
CURRENT vs. TEMPERATURE
/V
SCLK
ANALOG INPUT FREQUENCY (kHz)
200
-15
-15
L
V
FULL POWER-DOWN SUPPLY
= 28.8MHz
CONVERSION, f
DD
vs. TEMPERATURE
PARTIAL POWER-DOWN
TEMPERATURE (°C)
TEMPERATURE (°C)
SUPPLY CURRENT
400
V
10
10
DD
f
IN2
, NO SCLK
V
SAMPLE
L
, NO SCLK
SCLK
600
35
35
f
f
f
IMD = -84.2dB
SAMPLE
IN1
IN2
Typical Operating Characteristics (continued)
= 28.8MHz
= 250.039kHz
= 300.059kHz
= 1.8Msps, T
800
60
60
= 2Msps
1000
85
85
A
= T
MIN
-100
-120
-140
-20
-40
-60
-80
200
150
100
12
50
0
9
6
3
0
0
to T
-40
V
0
0
L
MAX
PARTIAL/FULL POWER-DOWN SUPPLY
TWO-TONE IMD PLOT (MAX1278)
f
IN1
CURRENT vs. TEMPERATURE
ANALOG INPUT FREQUENCY (kHz)
200
-15
, unless otherwise noted. Typical values are meas-
vs. CONVERSION RATE
V
500
DD
V
V
L
L
TEMPERATURE (°C)
SUPPLY CURRENT
= 3V, f
= 5V, f
400
f
SAMPLE
10
f
IN2
SCLK
1000
SCLK
(kHz)
= 28.8MHz
600
= 28.8MHz
35
f
f
f
IMD = -81.8dB
SAMPLE
IN1
IN2
= 250.039kHz
= 300.059kHz
1500
800
60
= 2Msps
1000
2000
85
7