MAX1035 Maxim Integrated Products, MAX1035 Datasheet - Page 6

• Manufacturer Part Number: MAX1035
• Description: (MAX1034 / MAX1035) Serial 14-Bit ADCs
• Manufacturer: Maxim Integrated Products

8-/4-Channel, ±V
Serial 14-Bit ADCs
ELECTRICAL CHARACTERISTICS (continued)
(AV
clock mode, V
= 50pF, C
Note 1: Parameter tested at AV
Note 2: See definitions in the Parameter Definitions section at the end of the data sheet.
Note 3: Guaranteed by correlation with single-ended measurements.
Note 4: To ensure external reference operation, V
Note 5: The SCLK duty cycle can vary between 40% and 60%, as long as the t
(AV
external clock mode, V
(±V
6
2.60
2.55
2.50
2.45
2.40
2.35
2.30
DD1
DD1
REF
_______________________________________________________________________________________
4.75
), C
= AV
= AV
must be below (AV
sition point between internal reference mode and external reference mode lies between the REFCAP buffer disable threshold
minimum and maximum values (Figures 17 and 18).
EXTERNAL CLOCK MODE
SSTRB
DOUT
vs. ANALOG SUPPLY VOLTAGE
DD2
ANALOG SUPPLY CURRENT
4.85
DD2
REF
= 50pF, T
= DV
= 50pF, C
= 4.096V (external reference operation), REFCAP = AV
= DV
T
T
T
4.95
A
A
A
= +85°C
= +25°C
= -40°C
AV
DD
DD1
DD
REF
= DV
A
(V)
5.05
DD1
= DV
SSTRB
= -40°C to +85°C, unless otherwise noted. Typical values are at T
= 4.096V (external reference operation), REFCAP = AV
DDO
- 0.4V). Bypassing REFCAP with a 0.1µF or larger capacitor to AGND1 sets V REFCAP
DD1
DDO
5.15
= 50pF, unless otherwise noted.)
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
= AV
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
5.25
DD2
REF
= DV
REFCAP
24
23
22
21
20
19
18
17
16
15
DD
4.75
vs. PREAMPLIFIER SUPPLY VOLTAGE
EXTERNAL CLOCK MODE
= DV
PREAMPLIFIER SUPPLY CURRENT
Multirange Inputs,
must exceed (AV
4.85
DDO
T
T
= 5V.
T
A
A
4.95
A
= +85°C
= +25°C
= -40°C
AV
DD2
DD1
(V)
Typical Operating Characteristics
5.05
, maximum single-ended bipolar input range (±V
DD1
5.15
- 0.1V). To ensure internal reference operation, V
CL
and t
DD1
5.25
CH
, maximum single-ended bipolar input range
A
timing requirements are met.
= +25°C.)
CLK
0.90
0.85
0.80
0.75
0.70
0.65
4.75
= 3.5MHz (50% duty cycle), external
EXTERNAL CLOCK MODE
CLK
vs. DIGITAL SUPPLY VOLTAGE
DIGITAL SUPPLY CURRENT
4.85
= 3.5MHz (50% duty cycle),
T
A
= +85°C
4.95
T
DV
T
A
A
= -40°C
= +25°C
DD
≈ 4.096V. The tran-
(V)
5.05
REF
5.15
), C
REFCAP
DOUT
5.25