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MAX1109CUB+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
Wake-Up Time
MAX1108/MAX1109
Single-Supply, Low-Power,
2-Channel, Serial 8-Bit ADCs
4 _______________________________________________________________________________________
CS = V
DD
CS = V
DD
pF15C
OUT
Three-State Output Capacitance
µA±0.01 ±10I
L
Three-State Leakage Current
Figure 1, C
LOAD
= 100pF
Figure 1, C
LOAD
= 100pF
Figure 2, C
LOAD
= 100pF
ns240t
DV
CS Fall to Output Enable
ns
CONDITIONS
20 200t
DO
SCLK Fall to Output Data Valid
ns240t
TR
CS Rise to Output Disable
ns100t
DS
DIN to SCLK Setup Time
µs1.0t
ACQ
Acquisition Time
ns0t
DH
DIN to SCLK Hold Time
External reference
Internal reference (Note 11)
µs20
ns200t
CL
SCLK Pulse Width Low
ms12
t
WAKE
Wake-Up Time
ns0t
CSH
CS to SCLK Rise Hold
ns100t
CSS
CS to SCLK Rise Setup
ns200t
CH
SCLK Pulse Width High
UNITSMIN TYP MAXSYMBOLPARAMETER
I
SINK
= 5mA
I
SOURCE
= 0.5mA
I
SINK
= 16mA
V0.4
VV
DD
- 0.5V
OH
Output High Voltage
V0.8
V
OL
Output Low Voltage
ELECTRICAL CHARACTERISTICS—MAX1108 (continued)
(V
DD
= +2.7V to +3.6V; unipolar input mode; COM = GND, f
SCLK
= 500kHz, external clock mode (50% duty cycle); 10 clocks/conver-
sion cycle (50ksps); 1µF capacitor at REF, external +2.048V reference at REF; T
A
= T
MIN
to T
MAX
; unless otherwise noted. Typical
values are at T
A
= +25°C.)
ELECTRICAL CHARACTERISTICS—MAX1109
(V
DD
= +4.5V to +5.5V; unipolar input mode; COM = GND, f
SCLK
= 500kHz, external clock (50% duty cycle); 10 clocks/conversion
cycle (50ksps); 1µF capacitor at REF, external +4.096V reference at REF; T
A
= T
MIN
to T
MAX
; unless otherwise noted. Typical values
are at T
A
= +25°C.)
V
DD
= 4.5V to 5.5V LSBOffset Error ±0.2 ±1
LSB±1
V
DD
= 4.5V to 5.5V
No missing codes over temperature
Gain Error (Note 3)
ppm/°C±0.8
CONDITIONS
Gain Temperature Coefficient
T
A
= T
MIN
to T
MAX
T
A
= +25°C
mV50V
DD
/ 2 Sampling Accuracy
LSB
±0.5
TUETotal Unadjusted Error
±1
LSB±0.1
Channel-to-Channel
Offset Matching
±0.15 ±0.5
bits8Resolution
LSBINLRelative Accuracy (Note 1)
LSB±1DNLDifferential Nonlinearity
UNITSMIN TYP MAXSYMBOLPARAMETER
DIGITAL OUTPUT (DOUT)
TIMING CHARACTERISTICS (Figures 8, 9, and 10)
DC ACCURACY
MAX1108/MAX1109
Single-Supply, Low-Power,
2-Channel, Serial 8-Bit ADCs
_______________________________________________________________________________________ 5
ELECTRICAL CHARACTERISTICS—MAX1109 (continued)
(V
DD
= +4.5V to +5.5V; unipolar input mode; COM = GND, f
SCLK
= 500kHz, external clock (50% duty cycle); 10 clocks/conversion
cycle (50ksps); 1µF capacitor at REF, external +4.096V reference at REF; T
A
= T
MIN
to T
MAX
; unless otherwise noted. Typical values
are at T
A
= +25°C.)
ps<50Aperture Jitter
ns10Aperture Delay
kHz400Internal Clock Frequency
0 to 0.5mA (Note 7) ppm/°C±50REF Tempco
mA
CONDITIONS
5I
REFSC
REF Short-Circuit Current
mV2.5Load Regulation
kHz50 500
V
V3.936 4.096 4.256V
REF
Output Voltage
+4.096V at REF, full scale,
500kHz external clock
µA120Input Current
1.0 V
DD
+ 0.05Input Voltage Range
µF1Capacitive Bypass at REF
UNITSMIN TYP MAXSYMBOLPARAMETER
External clock, 2MHz
dBSINADSignal-to-Noise Plus Distortion 49
µs1t
ACQ
Track/Hold Acquisition Time
External clock, 500kHz, 10 sclks/conv
Internal clock
µs
20
t
CONV
Conversion Time (Note 5)
35
SFDRSpurious Free Dynamic Range dB
dB
68
THD
Total Harmonic Distortion
(up to the 5th harmonic)
-70
Full-Power Bandwidth MHz
Unipolar input, V
COM
= 0 0V
REF
-3dB rolloff MHz
0.8
BW
-3dB
Small-Signal Bandwidth 1.5
V
CH_
Input Voltage Range (Note 4) V
Multiplexer Leakage Current µA
On/off-leakage current,
V
CH
= 0 or V
DD
±0.01 ±1
pFC
IN
Input Capacitance 18
Bipolar input, V
COM
or V
CH1
= V
REF
/ 2,
referenced to COM or CH1
±V
REF
/ 2
MHz2
External Clock Frequency Range
DYNAMIC PERFORMANCE (10kHz sine-wave input, 4.096Vp-p, 50ksps, 500kHz external clock)
ANALOG INPUTS
TRACK/HOLD
EXTERNAL REFERENCE
INTERNAL REFERENCE
For data transfer only
µA
MAX1108/MAX1109
Single-Supply, Low-Power,
2-Channel, Serial 8-Bit ADCs
6 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS—MAX1109 (continued)
(V
DD
= +4.5V to +5.5V; unipolar input mode; COM = GND, f
SCLK
= 500kHz, external clock (50% duty cycle); 10 clocks/conversion
cycle (50ksps); 1µF capacitor at REF, external +4.096V reference at REF; T
A
= T
MIN
to T
MAX
; unless otherwise noted. Typical values
are at T
A
= +25°C.)
CS = V
DD
CS = V
DD
pF15C
OUT
Three-State Output Capacitance
µA±0.01 ±10I
L
Three-State Leakage Current
Figure 1, C
LOAD
= 100pF
Figure 1, C
LOAD
= 100pF
Figure 2, C
LOAD
= 100pF
ns240t
DV
CS Fall to Output Enable
ns
CONDITIONS
20 200t
DO
SCLK Fall to Output Data Valid
ns240t
TR
CS Rise to Output Disable
ns100t
DS
DIN to SCLK Setup Time
µs1.0t
ACQ
Acquisition Time
ns0t
DH
DIN to SCLK Hold Time
UNITSMIN TYP MAXSYMBOLPARAMETER
I
SINK
= 5mA
I
SINK
= 16mA
0.4
V4.5 5 5.5V
DD
Supply Voltage
V
0.8
V
OL
Output Low Voltage
V
DD
= 4.5V to 5.5V,
C
L
= 10pF,
full-scale input
130 250
Power down, V
DD
= 4.5V to 5.5V (Note 9) 0.5 2.5
95
External reference = +4.096V,
full-scale input, V
DD
= 4.5V to 5.5V
mV±0.4 ±4PSRPower-Supply Rejection (Note 10)
V0.2V
HYST
Input Hysteresis
V0.8V
IL
Threshold Voltage Low
V3V
IH
Threshold Voltage High
µA±1I
IH
Input Current High
pF15C
IN
Input Capacitance
I
SOURCE
= 0.5mA VV
DD
- 0.5V
OH
Output High Voltage
µA±1I
IL
Input Current Low
I
DD
µASupply Current (Notes 2, 8)
Internal reference
External reference
POWER REQUIREMENTS
DIGITAL INPUTS (DIN, SCLK, and CS)
DIGITAL OUTPUT (DOUT)
TIMING CHARACTERISTICS (Figures 8, 9, and 10)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

MAX1109CUB+T

Mfr. #:
Buy MAX1109CUB+T
Manufacturer:
Maxim Integrated
Description:
Analog to Digital Converters - ADC 2Ch Single-Supply Low-P Serial 8-Bit
Lifecycle:
New from this manufacturer.
Delivery:
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