MAX1303BEUP+ Maxim Integrated Products, MAX1303BEUP+ Datasheet - Page 6

• Manufacturer Part Number: MAX1303BEUP+
• Description: ADC Single SAR 115KSPS 16-Bit Serial 20-Pin TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1303BEUP+

• Package: 20TSSOP
• Resolution: 16 Bit
• Sampling Rate: 115 KSPS
• Architecture: SAR
• Number Of Adcs: 1
• Number Of Analog Inputs: 4|2
• Digital Interface Type: Serial (SPI, QSPI, Microwire)
• Input Type: Voltage
• Signal To Noise Ratio: 90(Typ) dB
• Polarity Of Input Voltage: Unipolar|Bipolar

8-/4-Channel, ±V
Serial 16-Bit ADCs
ELECTRICAL CHARACTERISTICS (continued)
(AV
external clock mode, V
(±V
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: Not production tested. Guaranteed by design.
Note 5: To ensure external reference operation, V
Note 6: The SCLK duty cycle can vary between 40% and 60%, as long as the t
(AV
external clock mode, V
(±V
6
CS Rise to DOUT Disable
CS Fall to SCLK Rise Setup
CS High Minimum Pulse Width
SCLK Fall to CS Rise Hold
SSTRB Rise to CS Fall Setup
DOUT Rise/Fall Time
SSTRB Rise/Fall Time
DD1
REF
2.60
2.55
2.50
2.45
2.40
2.35
2.30
DD1
REF
_______________________________________________________________________________________
4.75
), C
), 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
DOUT
DOUT
PARAMETER
vs. ANALOG SUPPLY VOLTAGE
ANALOG SUPPLY CURRENT
DD2
4.85
DD2
= 50pF, C
= 50pF, C
= DV
= DV
T
T
T
A
4.95
A
A
= +85°C
= +25°C
= -40°C
AV
DD
REF
DD1
DD
REF
(V)
= DV
SSTRB
5.05
= DV
DD1
SSTRB
= 4.096V (external reference operation), REFCAP = AV
= 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, T
= 50pF; unless otherwise noted.)
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
= AV
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
SYMBOL
t
5.25
CSPW
t
t
CSS
CSH
t
DD2
TR
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
REF
= DV
REFCAP
24
23
22
21
20
19
18
17
16
15
(Note 4)
C
C
DD
L
L
4.75
= 50pF
= 50pF
vs. PREAMPLIFIER SUPPLY VOLTAGE
= DV
EXTERNAL CLOCK MODE
PREAMPLIFIER SUPPLY CURRENT
Multirange Inputs,
must exceed (AV
4.85
DDO
= 5V.
T
T
T
A
A
4.95
A
CONDITIONS
= +85°C
= +25°C
= -40°C
AV
DD2
(V)
Typical Operating Characteristics
5.05
DD1
5.15
- 0.1V). To ensure internal reference operation, V
CL
DD1
and t
DD1
5.25
, maximum single-ended bipolar input range
CH
, maximum single-ended bipolar input range
timing requirements are met.
0.90
0.85
0.80
0.75
0.70
0.65
4.75
CLK
MIN
40
40
40
EXTERNAL CLOCK MODE
0
CLK
= 3.5MHz (50% duty cycle),
vs. DIGITAL SUPPLY VOLTAGE
DIGITAL SUPPLY CURRENT
4.85
= 3.5MHz (50% duty cycle),
TYP
T
10
10
A
A
= +85°C
4.95
T
= +25°C.)
DV
T
A
A
= -40°C
= +25°C
DD
≈ 4.096V. The tran-
(V)
5.05
MAX
40
5.15
UNITS
REFCAP
ns
ns
ns
ns
ns
ns
ns
5.25