WM5615 データシートの表示（PDF） - Wolfson Microelectronics plc
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WM5615 Datasheet PDF : 12 Pages
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WM5615
Electrical Characteristics (continued)
VDD = 5.0V ±5%, Vref = 2.048V unless otherwise stated.
Analogue Output Dynamic Performance
PARAMETER
Output slew rate
Output settling time
Glitch energy
Signal to noise + distortion
SYMBOL
CONDITIONS
MIN
SR
CL = 100pF RL = 10 kΩ 0.3
TA = 25oC
tS
TO 0.5 LSB CL = 100pF
RL = 2kΩ (see note 9)
DIN = All 0s to all 1s
S/(N+D) Vref = 2Vpp at 1kHz +
2.048 V DC, code 512
TYP
0.5
12.5
5
60
MAX
UNIT
V/µs
µs
.nV s
dB
Note 9: Settling time is the time for the output signal to remain within 0.5 LSB of the final measured value for a digital
input code change from code zero to 1023 rising and 1023 to 64 falling.
Digital Input Timing Specifications
PARAMETER
Setup time, DIN before SCLK high
Hold time, DIN valid after SCLK high
Setup time, CS low to SCLK high
Setup time CS high to SCLK high
Hold time, SCLK low to CS low
Hold time, SCLK low to CS high
Pulse duration, min. chip select pulse width height
Pulse duration, SCLK low
Pulse duration, SCLK high
SYMBOL MIN
tsu (DS) 45
th (DH)
0
tsu (CSS) 1
tsu (CS1) 50
th (CSHO) 1
th (CSHI) 0
tw(CS)
20
tw (CL)
18
tw (CH) 18
TYP
MAX
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
Output Switching Specification
PARAMETER
Propagation delay time
SYMBOL
CONDITIONS
tpd (DOUT) CL = 50pF
MIN
TYP
MAX UNIT
50
ns
reference input (REFIN)
PARAMETER
Reference feedthrough
Reference input bandwidth
CONDITIONS
Input code = 00
(see note 10)
Input code = 512
(see note 10)
MIN
TYP
MAX UNIT
-80
dB
100
kHz
Note 10: Reference feedthrough and bandwidth are measured at the DAC output with Vref input = 2Vpp at 1kHz +
2.048V DC
Wolfson Microelectronics
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