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參數(shù)資料
| 型號(hào)： | DAC757IDGSR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | QUAD, 12-BIT, LOW-POWER, VOLTAGE OUTPUT, I2C INTERFACE DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 四，12位，低功耗，電壓輸出，I2C接口的數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 3/31頁(yè) |
| 文件大?。?/td> | 783K |
| 代理商： | DAC757IDGSR |
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www.ti.com
DAC7574
SLAS375–JUNE 2003
ELECTRICAL CHARACTERISTICS
V
DD
= 2.7 V to 5.5 V, R
L
= 2 k
to GND; C
L
= 200 pF to GND; all specifications -40
°
C to +105
°
C, unless otherwise specified.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
STATIC PERFORMANCE
(1)
Resolution
12
Bits
Relative accuracy
±
8
±
1
LSB
Differential nonlinearity
Specified monotonic by design
LSB
Zero-scale error
5
20
±
1.0
±
1.0
mV
Full-scale error
-0.15
% of FSR
Gain error
% of FSR
μV/
°
C
Zero code error drift
±
7
±
3
Gain temperature coefficient
ppm of
FSR/
°
C
OUTPUT CHARACTERISTICS
(2)
Output voltage range
0
V
DD
10
V
Output voltage settling time (full scale)
R
L
=
∞
; 0 pF < C
L
< 200 pF
R
L
=
∞
; C
L
= 500 pF
8
μs
12
μs
Slew rate
1
V/μs
DC crosstalk (channel-to-channel)
0.25
LSB
AC crosstalk (channel-to-channel)
1 kHz Sine Wave
R
L
=
∞
R
L
= 2 k
1 LSB change around major
carry
-100
dB
Capacitive load stability
470
pF
1000
pF
Digital-to-analog glitch impulse
12
nV-s
Digital feedthrough
0.3
nV-s
DC output impedance
1
Short-circuit current
V
DD
= 5 V
V
DD
= 3 V
50
mA
20
mA
Power-up time
Coming out of power-down
mode, V
DD
= +5 V
Coming out of power-down
mode, V
DD
= +3 V
2.5
μs
5
μs
LOGIC INPUTS(2)
Input current
±
1
μA
V
IN_L
, Input low voltage
V
IN_H
, Input high voltage
Pin Capacitance
0.3xV
DD
V
V
DD
= 3 V
0.7xV
DD
V
3
pF
POWER REQUIREMENTS
V
DD
I
DD
(normal operation), including reference current
I
DD
@ V
DD
=+3.6V to +5.5V
I
DD
@ V
DD
=+2.7V to +3.6V
I
DD
(all power-down modes)
I
DD
@ V
DD
=+3.6V to +5.5V
I
DD
@ V
DD
=+2.7V to +3.6V
POWER EFFICIENCY
2.7
5.5
V
Excluding load current
V
IH
= V
DD
and V
IL
=GND
V
IH
= V
DD
and V
IL
=GND
600
900
μA
550
750
μA
V
IH
= V
DD
and V
IL
=GND
V
IH
= V
DD
and V
IL
=GND
0.2
1
μA
0.05
1
μA
I
OUT
/I
DD
I
LOAD
= 2 mA, V
DD
= +5 V
93%
(1)
(2)
Linearity tested using a reduced code range of 48 to 4047; output unloaded.
Specified by design and characterization, not production tested.
3
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