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WM2625ID 데이터시트(PDF) 3 Page - Wolfson Microelectronics plc

부품명 WM2625ID
상세설명  Low Power Dual 8-bit Serial Input DAC
PDF  9 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM2625ID 데이터시트(HTML) 3 Page - Wolfson Microelectronics plc

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Production Data
WM2625
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 April 2001
3
ELECTRICAL CHARACTERISTICS
Test Conditions:
RL = 10k
Ω, CL = 100pF. VDD = 5V ±10%, VREF = 2.048V and VDD = 3V ±10%, VREF = 1.024V over recommended operating free-
air temperature range (unless noted otherwise).
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Static DAC Specifications
Resolution
8bits
Integral non-linearity
INL
See Note 1
±0.3
±0.5
LSB
Differential non-linearity
DNL
See Note 2
±0.07
±0.2
LSB
Zero code error
ZCE
See Note 3
±12
mV
Gain error
GE
See Note 4
±0.5
% FSR
D.C. power supply rejection ratio
D.C. PSRR
See Note 5
-65
mV/V
Zero code error temperature coefficient
See Note 6
10
ppm/
°C
Gain error temperature coefficient
See Note 6
10
ppm/
°C
DAC Output Specifications
Output voltage range
0
VDD - 0.4
V
Output load regulation
2k
Ω to 10kΩ load
See Note 7
0.29
% FS
Power Supplies
No load, DAC value = 128,
all digital inputs 0V or VDD
Active supply current
IDD
Slow Mode
0.8
1
mA
Fast Mode
1.8
2.3
mA
Power down supply current
See Note 8
1
3
µA
Dynamic DAC Specifications
Slew rate
SR
DAC output 10%-90%
Slow
Fast
See Note 9
0.5
3
V/
µs
V/
µs
Full-scale settling time
ts
DAC output 10%-90%
Slow
Fast
See Note 10
3
1
10
3
µs
µs
Glitch energy
DIN = 0 to 1, fCLK = 100kHz,
NCS = VDD
5nV-s
Signal to noise ratio
SNR
52
54
dB
Signal to noise and distortion ratio
SINAD
48
49
dB
Total harmonic distortion
THD
-50
-48
dB
Spurious free dynamic range
SFDR
fs = 102kSPS,
fOUT = 1kHz,
See Note 11
48
50
dB
Reference
Reference input resistance
RREFIN
10
M
Ω
Reference input capacitance
CREFIN
5pF
Reference feedthrough
VREF = 1VPP at 1kHz
+ 1.024V dc, DAC code 0
-80
dB
Reference input bandwidth
VREF = 0.2VPP + 1.024V dc
Slow
Fast
0.525
1.3
MHz
MHz
Digital Inputs
High level input current
IIH
Input voltage = VDD
-1
1
µA
Low level input current
IIL
Input voltage = 0V
-1
1
µA
Input capacitance
CI
8pF



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