MAX1109EUB Maxim Integrated, MAX1109EUB Datasheet - Page 5

• 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—MAX1109 (continued)
(V
cycle (50ksps); 1µF capacitor at REF, external +4.096V reference at REF; T
are at T
DYNAMIC PERFORMANCE (10kHz sine-wave input, 4.096Vp-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
TRACK/HOLD
Conversion Time (Note 5)
Track/Hold Acquisition Time
Aperture Delay
Aperture Jitter
Internal Clock Frequency
External Clock Frequency Range
INTERNAL REFERENCE
Output Voltage
REF Short-Circuit Current
REF Tempco
Load Regulation
Capacitive Bypass at REF
EXTERNAL REFERENCE
Input Voltage Range
Input Current
DD
= +4.5V to +5.5V; unipolar input mode; COM = GND, f
A
= +25°C.)
PARAMETER
_______________________________________________________________________________________
SYMBOL
BW
SINAD
I
t
SFDR
REFSC
V
V
CONV
t
THD
C
ACQ
CH_
REF
-3dB
IN
-3dB rolloff
Unipolar input, V
Bipolar input, V
referenced to COM or CH1
On/off-leakage current,
V
Internal clock
External clock, 500kHz, 10 sclks/conv
External clock, 2MHz
For data transfer only
0 to 0.5mA (Note 7)
+4.096V at REF, full scale,
500kHz external clock
CH
= 0 or V
2-Channel, Serial 8-Bit ADCs
DD
Single-Supply, Low-Power,
SCLK
COM
CONDITIONS
COM
= 500kHz, external clock (50% duty cycle); 10 clocks/conversion
or V
= 0
CH1
A
= V
= T
REF
MIN
/ 2,
to T
MAX
; unless otherwise noted. Typical values
3.936
MIN
1.0
20
50
0
1
1
±0.01
4.096
TYP
<50
±50
400
-70
1.5
0.8
2.5
49
68
18
10
5
1
V
DD
±V
REF
+ 0.05
4.256
MAX
V
500
±1
35
20
REF
2
/ 2
ppm/°C
UNITS
MHz
MHz
MHz
kHz
kHz
mA
mV
dB
dB
dB
µA
pF
ps
µF
µA
µs
µs
ns
V
V
V
5