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参数资料
| 型号： | MAX531 |
| 厂商： | Maxim Integrated Products, Inc. |
| 元件分类： | DAC |
| 英文描述： | +5V, Low-Power, Voltage-Output, Serial 12-Bit DACs(单通道,电压输出,12位串行D/A转换器) |
| 中文描述： | +5V、低功耗、电压输出、串行12位DAC |
| 文件页数： | 3/16页 |
| 文件大小： | 174K |
| 代理商： | MAX531 |
M
5V, Low-Power, Voltage-Output,
S erial 12-Bit DACs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued)
(V
DD
= 5V ±10%, V
SS
= 0V, AGND = DGND = 0V, REFIN = 2.048V (external), RFB = BIPOFF = VOUT (MAX531), CREFOUT = 33μF
(MAX531), R
L
= 10k
, C
L
= 100pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
Input Current
Input Capacitance
DIGITAL OUTPUT (DOUT)
SYMBOL
MIN
TYP
MAX
I
IN
C
IN
±1
UNITS
Noise Voltage
Minimum Required External
Capacitor
DIGITAL INPUTS (DIN, SCLK,
CS
,
CLR
)
e
n
μA
pF
400
μVp-p
Power-Supply Rejection Ratio
8
PSRR
300
μV/V
Resistance
R
REFOUT
0.5
2
Temperature Coefficient
TC
REFOUT
30
30
50
ppm/°C
C
MIN
3.3
μF
Output High
Output Low
DYNAMIC PERFORMANCE
Input High
Input Low
V
OH
V
OL
V
IH
V
IL
2.4
V
DD
- 1
V
V
V
V
0.8
0.4
Voltage-Output Slew Rate
Voltage-Output Settling Time
Digital Feedthrough
SR
0.15
0.25
25
5
V/μs
μs
nV-s
2.024
2.017
2.013
2.048
2.072
2.079
2.083
Signal-to-Noise plus Distortion
SINAD
68
dB
260
140
400
300
CONDITIONS
V
IN
= 0V or V
DD
0.1Hz to 10kHz
4.5V
≤
V
DD
≤
5.5V
(Note 5)
MAX531AC/AE/AM/BM
MAX531BC/BE
I
SOURCE
= 2mA
I
SINK
= 2mA
T
A
= +25°C
To ±1/2LSB, VOUT = 2V
CS = V
DD
, DIN = 100kHz
REFIN = 1kHz, 2Vp-p (G = 1 or 2),
Code = FFFhex
Power-Supply Current
I
DD
All inputs = 0V or V
DD
,
output = no load
μA
CS Setup Time
SCLK Fall to CS Fall Hold Time
SCLK Fall to CS Rise Hold Time
SCLK High Width
SCLK Low Width
DIN Setup Time
DIN Hold Time
DOUT Valid Propagation Delay
CS High Pulse Width
CLR Pulse Width
CS Rise to SCLK Rise Setup Time
t
CSS
t
CSH0
t
CSH1
t
CH
t
CL
t
DS
t
DH
t
DO
t
CSW
t
CLR
t
CS1
20
15
0
35
35
45
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
C
L
= 50pF
80
20
25
50
MAX531
MAX538, MAX539
Reference Output Voltage
V
V
DD
= 5.0V
T
A
= +25°C
MAX531BC
MAX531BE
Positive Supply Voltage
V
DD
4.5
5.5
V
REFERENCE OUTPUT (REFOUT—MAX531 only)
POWER SUPPLY
SWITCHING CHARACTERISTICS
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