MAX1109EUB Maxim Integrated, MAX1109EUB Datasheet - Page 3

• Manufacturer Part Number: MAX1109EUB
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX1109EUB

• Number Of Channels: 2
• Architecture: SAR
• Conversion Rate: 50 KSPS
• Resolution: 8 bit
• Input Type: Single-Ended/Pseudo-Differential
• Snr: Yes
• Interface Type: 4-Wire (SPI, Microwire), QSPI
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: uMAX-10
• Maximum Power Dissipation: 444 mW
• Minimum Operating Temperature: - 40 C
• Number Of Converters: 1
• Voltage Reference: 4.096 V

ELECTRICAL CHARACTERISTICS—MAX1108 (continued)
(V
sion cycle (50ksps); 1µF capacitor at REF, external +2.048V reference at REF; T
values are at T
Conversion Time (Note 5)
Track/Hold Acquisition Time
Aperture Delay
Aperture Jitter
Internal Clock Frequency
External Clock Frequency Range
Output Voltage
REF Short-Circuit Current
REF Tempco
Load Regulation
Capacitive Bypass at REF
Input Voltage Range
Input Current
Supply Voltage
Supply Current (Notes 2, 8)
Power-Supply Rejection (Note 10)
Threshold Voltage High
Threshold Voltage Low
Input Hysteresis
Input Current High
Input Current Low
Input Capacitance
TRACK/HOLD
INTERNAL REFERENCE
EXTERNAL REFERENCE
POWER REQUIREMENTS
DIGITAL INPUTS (DIN, SCLK, and CS)
DD
= +2.7V to +3.6V; unipolar input mode; COM = GND, f
PARAMETER
A
= +25°C.)
_______________________________________________________________________________________
SYMBOL
I
V
t
REFSC
V
CONV
t
V
PSR
ACQ
I
HYST
C
V
V
I
REF
DD
I
DD
IH
IL
IH
IL
IN
Internal clock
External clock, 500kHz, 10 sclks/conv
External clock, 2MHz
For data transfer only
0 to 0.5mA (Note 7)
+2.048V at REF, full scale,
500kHz external clock
V
C
V
C
Power down, V
Full-scale input, V
V
V
(Note 6)
DD
DD
DD
DD
L
L
= 10pF
= 10pF
= 2.7V to 3.6V,
= 5.5V,
> 3.6V
3.6V
2-Channel, Serial 8-Bit ADCs
SCLK
Single-Supply, Low-Power,
DD
CONDITIONS
DD
= 2.7V to 3.6V (Note 9)
= 500kHz, external clock mode (50% duty cycle); 10 clocks/conver-
= 2.7V to 3.6V
Internal reference
External reference
Internal reference
External reference
A
= T
MIN
to T
MAX
1.968
MIN
1.0
2.7
0.8
20
50
1
1
; unless otherwise noted. Typical
2.048
±0.4
TYP
<50
±50
400
150
105
130
2.5
0.5
0.2
10
70
95
15
1
3
V
DD
+ 0.05
2.128
MAX
500
250
5.5
2.5
±4
±1
±1
35
20
2
2
3
ppm/°C
UNITS
MHz
kHz
kHz
mV
mV
ps
µA
µF
µA
µA
µA
µA
µA
pF
µs
µs
ns
V
V
V
V
V
V
V
3