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MAX1076 Datasheet, PDF (3/18 Pages) Maxim Integrated Products – 1.8Msps, Single-Supply, Low-Power, True- Differential, 10-Bit ADCs with Internal Reference
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1.8Msps, Single-Supply, Low-Power, True-
Differential, 10-Bit ADCs with Internal Reference
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +5V ±5%, VL = VDD, fSCLK = 28.8MHz, 50% duty cycle, TA = -40°C to +85°C, unless otherwise noted. Typical values are at
TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
ANALOG INPUTS (AIN+, AIN-)
Differential Input Voltage Range
Absolute Input Voltage Range
AIN+ - AIN-, MAX1076
VIN
AIN+ - AIN-, MAX1078
0
-VREF / 2
0
VREF
V
+VREF / 2
VDD
V
DC Leakage Current
±1
µA
Input Capacitance
Per input pin
16
pF
Input Current (Average)
Time averaged at maximum throughput rate
75
µA
REFERENCE OUTPUT (REF)
REF Output Voltage Range
Voltage Temperature Coefficient
Static, TA = +25°C
4.086
4.096
±50
4.106
V
ppm/°C
Load Regulation
ISOURCE = 0 to 2mA
ISINK = 0 to 200µA
0.3
mV/mA
0.5
Line Regulation
VDD = 4.75V to 5.25V, static
0.5
mV/V
DIGITAL INPUTS (SCLK, CNVST)
Input-Voltage Low
VIL
0.3 x VL V
Input-Voltage High
VIH
Input Leakage Current
IIL
0.7 x VL
V
0.05 ±10
µA
DIGITAL OUTPUT (DOUT)
Output Load Capacitance
COUT For stated timing performance
30
pF
Output-Voltage Low
Output-Voltage High
VOL
VOH
ISINK = 5mA, VL ≥ 1.8V
ISOURCE = 1mA, VL ≥ 1.8V
VL - 0.5V
0.4
V
V
Output Leakage Current
IOL
Output high impedance
±0.2 ±10
µA
POWER REQUIREMENTS
Analog Supply Voltage
VDD
Digital Supply Voltage
VL
4.75
5.25
V
1.8
VDD
V
Analog Supply Current,
Normal Mode
Static, fSCLK = 28.8MHz
IDD
Static, no SCLK
Operational, 1.8Msps
8
11
5
7
mA
10
13
Analog Supply Current,
Partial Power-Down Mode
IDD
fSCLK = 28.8MHz
No SCLK
2
mA
2
Analog Supply Current,
Full Power-Down Mode
IDD
fSCLK = 28.8MHz
No SCLK
1
µA
0.3
1
Operational, full-scale input at 1.8Msps
1
2.5
Digital Supply Current (Note 7)
Static, fSCLK = 28.8MHz
Partial/full power-down mode,
fSCLK = 28.8MHz
0.4
1
mA
0.2
0.5
Static, no SCLK (all modes)
0.1
1
µA
Positive-Supply Rejection
PSR VDD = 5V ±5%, full-scale input
±0.2 ±3.0
mV
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