參數(shù)資料
型號: MAX1108
廠商: Maxim Integrated Products, Inc.
英文描述: Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs
中文描述: 單電源、低功耗、2通道、串行8位ADC
文件頁數(shù): 4/20頁
文件大?。?/td> 185K
代理商: MAX1108
Wake-Up Time
Wake-Up Time
M
S ingle-S upply, Low-Power,
2-Channel, S erial 8-Bit ADCs
4
_______________________________________________________________________________________
CS
= V
DD
CS
= V
DD
pF
15
C
OUT
Three-State Output Capacitance
TIMING CHARACTERISTICS
(Figures 8, 9, and 10)
μA
±0.01
±10
I
L
Three-State Leakage Current
Figure 1, C
LOAD
= 100pF
Figure 2, C
LOAD
= 100pF
Figure 1, C
LOAD
= 100pF
ns
ns
ns
240
240
t
DV
t
TR
t
CSS
CS
Fall to Output Enable
CS
Rise to Output Disable
CS
to SCLK Rise Setup
ns
CONDITIONS
20
200
t
DO
SCLK Fall to Output Data Valid
ns
ns
100
0
t
DS
t
DH
DIN to SCLK Setup Time
DIN to SCLK Hold Time
μs
1.0
t
ACQ
Acquisition Time
External reference
Internal reference (Note 10)
μs
ms
20
12
ns
200
t
CL
SCLK Pulse Width Low
t
WAKE
ns
ns
0
t
CSH
t
CH
CS
to SCLK Rise Hold
SCLK Pulse Width High
100
200
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
I
SINK
= 5mA
I
SINK
= 16mA
I
SOURCE
= 0.5mA
V
V
0.4
V
V
DD
- 0.5
V
OH
Output High Voltage
0.8
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.)
CONDITIONS
SYMBOL
PARAMETER
DC ACCURACY
V
DD
= 4.5V to 5.5V
LSB
LSB
ppm/°C
Offset Error
Gain Error (Note 3)
Gain Temperature Coefficient
±0.2
±1
±1
V
DD
= 4.5V to 5.5V
No missing codes over temperature
±0.8
T
A
= T
MIN
to T
MAX
T
A
= +25°C
mV
50
V
DD
/ 2 Sampling Accuracy
LSB
±0.5
TUE
Total Unadjusted Error
±1
LSB
±0.1
Channel-to-Channel
Offset Matching
±0.15
±0.5
±1
bits
LSB
LSB
8
Resolution
Relative Accuracy (Note 1)
Differential Nonlinearity
INL
DNL
UNITS
MIN
TYP
MAX
DIGITAL OUTPUT
(DOUT)
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