WM0834 データシートの表示（PDF） - Wolfson Microelectronics plc
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WM0834
Wolfson Microelectronics plc
WM0834 Datasheet PDF : 16 Pages
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WM0834, WM0838
Electrical Characteristics (3.3V)
VCC = 3.3V, fCLK = 250 KHz, TA = TMIN to TMAX , tr = tf = 20ns, unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Digital Inputs
High level output voltage
VOH
VCC = 3.0 V, IOH = -360 mA
2.4
VCC = 3.0V, IOH = -10 mA
2.8
Low level output voltage
VOL
VCC =3.0V, IOH = 1.6 mA
High level input current
IIH
VIH = 3.6V
Low level input current
IIL
VIL = 0 V
High level output (source)
IOH
VOH = 0 V, TA = 25oC
6.5
current
Low level output (sink) current IOL
VOL = VCC, TA = 25oC
8
High impedance-state
IOZ
VO = 3.3 V, TA = 25oC
output current (DO)
VO = 0 V, TA = 25oC
Input capacitance
Ci
Output capacitance
Co
Converter and Multiplexer
Total unadjusted error
TUE VREF = 3.3 V. (note 7)
Differential Linearity
(note 8)
8
Supply voltage variation error Vs(error) VCC = 3.0 V to 3.6 V
Common mode error
Differential mode
Common mode input voltage VICR (note 9)
GND-0.05
range
VCC+0.05
Standby input leakage
II(stdby) On-channel VI =3.3 V at ON ch.
current (note 10)
Off-channel VI = 0 V at OFF ch.
On-channel VI = 0 V at ON ch.
Off-channel VI =3.3V at OFF ch
Conversion time
tconv Excluding MUX addressing time
TYP
0.005
-0.005
15
16
0.01
-0.01
5
5
±1/16
±1/16
Reference Inputs
Input resistance to
Ri(REF)
1.3
2.4
reference ladder
Total device
Supply current
ICC
0.2
Timing Parameters
Setup time, CS low or
tsu
350
data valid before clock
Hold time, data valid after
th
90
clock
Propagation delay time,
MSB data first. CL = 100 pF
output data after clock
tpd
LSB data first. CL = 100 pF
Output disable time, DO
tdis
CL = 10 pF, RL = 10 kΩ
after CS
CL = 100 pF, RL = 2 kΩ
MAX
0.4
1
-1
3
-3
±1
±1/4
±1/4
1
-1
-1
1
8
5.9
0.75
500
200
80
250
UNIT
V
V
V
µA
µA
mA
mA
µA
µA
pF
pF
LSB
Bits
LSB
LSB
V
µA
µA
µA
µA
clock
periods
kΩ
mA
ns
ns
ns
ns
ns
ns
Wolfson Microelectronics
5
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