WM5620CN 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM5620CN Datasheet PDF : 14 Pages
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WM5620L, WM5620
Electrical Characteristics: WM5620 & WM5620L
VDD = 2.7V to 5.5V, GND = 0 V, RL = 10 kΩ, CL = 100 pF, TA = full range, unless otherwise stated.
PARAMETER
SYMBOL
Reference Inputs
Reference input voltage VREF
Reference input
capacitance
Reference feedthrough
Channel to channel
isolation
Dynamic Performance
Output settling time
Output slew rate
Input bandwidth
Large Signal Bandwidth
Digital Crosstalk
TEST CONDITIONS
A, B, C, D, inputs
A, B, C, D, inputs
A, B, C, D, inputs (note 11)
A, B, C, D, inputs (note 12)
To 1/2 LSB, VDD = 3 V & 5V
(note13)
(note 14)
Measured at -3dB point
Clk = 1MHz sq wave measured at
DACA - DACD
MIN
GND
TYP
MAX UNIT
VDD - 1.5
V
15
pF
- 60
dB
-60
dB
10
µs
1
V/µs
100
kHz
100
kHz
-50
dB
Electrical Characteristics: WM5620 & WM5620L (continued)
Notes:
1. Absolute Maximum Ratings are stress ratings only.
Permanent damage to the device may be caused by
continuously operating at or beyond these limits.
Device functional operating range limits are given
under Recommended Operating Conditions.
Guaranteed performance specifications are given
under Electrical Characteristics at the test conditions
specified.
6. Zero code error temperature coefficient is given by:
ZCETC = (ZCE(Tmax) - ZCE(Tmin))/VREF x 106/
(Tmax - Tmin)
7. Zero-code Error Rejection Ratio (ZCE-RR) is meas-
ured by varying the VDD voltage, from 4.5 to 5.5 V
d.c., and measuring the proportion of this signal im-
posed on the zero-code output voltage.
2. Total Unadjusted Error is the sum of integral linear-
ity error, zero code error and full scale error over the
input code range.
8. Full-scale error is the deviation from the ideal full-
scale output (VREF - 1 LSB) with an output load of
10kΩ
3. Differential Nonlinearity (DNL) is the difference
between the measured and ideal 1 LSB amplitude
change of any two adjacent codes. A guarantee of
monotonicity means the output voltage changes in
the same direction (or remains constant) as a change
in the digital input code.
4. Integral Nonlinearity (INL) is the maximum deviation
of the output from the line between zero and full scale
(excluding the effects of zero code and full-scale
errors).
9. Full-Scale Temperature Coefficient is given by:
FSETC = (FSE(Tmax) - FSE(Tmin))/VREF x 106/(Tmax -
Tmin)
10. Full Scale Error Rejection Ratio (FSE-RR) is meas-
ured by varying the VDD voltage, from 4.5 to 5.5 V
d.c., and measuring the proportion of this signal im-
posed on the full-scale output voltage.
5. Zero code error is the deviation from zero voltage
output when the digital input code is zero.
Wolfson Microelectronics
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