MAX1109EUB Maxim Integrated, MAX1109EUB Datasheet - Page 2

• 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

ABSOLUTE MAXIMUM RATINGS
V
CH0, CH1, COM, REF, DOUT to GND .......-0.3V to (V
DIN, SCLK, CS to GND ............................................-0.3V to +6V
Continuous Power Dissipation (T
Single-Supply, Low-Power,
2-Channel, Serial 8-Bit ADCs
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS—MAX1108
(V
sion cycle (50ksps); 1µF capacitor at REF, external +2.048V reference at REF; T
values are at T
2
DC ACCURACY
Resolution
Relative Accuracy (Note 1)
Differential Nonlinearity
Offset Error
Gain Error (Note 3)
Gain Temperature Coefficient
Total Unadjusted Error
Channel-to-Channel
Offset Matching
V
DYNAMIC PERFORMANCE (10kHz sine-wave input, 2.048Vp-p, 50ksps, 500kHz external clock)
Signal-to-Noise Plus Distortion
Total Harmonic Distortion
(up to the 5th harmonic)
Spurious-Free Dynamic Range
Small-Signal Bandwidth
Full-Power Bandwidth
ANALOG INPUTS
Input Voltage Range (Note 4)
Multiplexer Leakage Current
Input Capacitance
DD
10-pin µMAX (derate 5.6mW/°C above +70°C) ............444mW
DD
DD
_______________________________________________________________________________________
to GND ..............................................................-0.3V to +6V
= +2.7V to +3.6V; unipolar input mode; COM = GND, f
/ 2 Sampling Accuracy
PARAMETER
A
= +25°C.)
A
= +70°C)
SYMBOL
BW
SINAD
SFDR
V
DNL
TUE
THD
C
INL
CH_
-3dB
IN
V
V
No missing codes over temperature
V
V
T
T
-3dB rolloff
Unipolar input, V
Bipolar input, V
referenced to COM or CH1
On/off-leakage current,
V
A
A
DD
DD
DD
DD
COM
= +25°C
= T
= 2.7V to 3.6V
= 5.5V (Note 2)
= 2.7V to 3.6V
= 5.5V (Note 2)
DD
MIN
or V
+ 0.3V)
CH
to T
SCLK
= 0 or V
MAX
COM
CONDITIONS
COM
= 500kHz, external clock mode (50% duty cycle); 10 clocks/conver-
or V
= 0
DD
Operating Temperature Ranges
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
MAX110_CUB ......................................................0°C to +70°C
MAX110_EUB ...................................................-40°C to +85°C
CH1
= V
REF
A
/ 2,
= T
MIN
to T
MAX
MIN
8
0
; unless otherwise noted. Typical
±0.15
±0.01
±0.2
±0.2
±0.5
±0.8
±0.5
±0.1
TYP
-70
1.5
0.8
50
49
68
18
±V
REF
MAX
V
±0.5
±1
±1
±1
±1
±1
REF
/ 2
ppm/°C
UNITS
MHz
MHz
LSB
LSB
LSB
LSB
LSB
LSB
bits
mV
dB
dB
dB
µA
pF
V