參數(shù)資料
型號： DAC7552IRGT
廠商： Texas Instruments, Inc.
英文描述： 12-BIT, DUAL, ULTRALOW GLITCH, VOLTAGE OUTPUT DIGITAL-TO-ANALOG CONVERTER
中文描述： 12位雙，超低毛刺，電壓輸出數(shù)字模擬轉(zhuǎn)換器
文件頁數(shù)： 3/22頁
文件大?。?/td> 862K
代理商： DAC7552IRGT
www.ti.com
ELECTRICAL CHARACTERISTICS
V
DD
= 2.7 V to 5.5 V, V
REF
= V
DD
, R
L
= 2 k
to GND; C
L
= 200 pF to GND; all specifications –40°C to 105°C, unless otherwise
specified
DAC7552
SLAS442B–JANUARY 2005–REVISED JUNE 2005
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
STATIC PERFORMANCE
(1)
Resolution
Relative accuracy
Differential nonlinearity
Offset error
Zero-scale error
Gain error
Full-scale error
Zero-scale error drift
Gain temperature coefficient
PSRR
OUTPUT CHARACTERISTICS
(2)
Output voltage range
Output voltage settling time
Slew rate
Capacitive load stability
12
Bits
LSB
LSB
mV
mV
%FSR
%FSR
μV/°C
±0.35
±0.08
±1
Specified monotonic by design
±0.5
±12
±12
±0.15
±0.5
All zeroes loaded to DAC register
7
3
ppm of FSR/°C
mV/V
V
DD
= 5 V
0.75
0
VREF
V
μs
V/μs
R
L
= 2 k
; 0 pF < C
L
< 200 pF
5
1.8
470
1000
0.1
–100
R
L
=
∞
R
L
= 2 k
1 LSB change around major carry
1-kHz full-scale sine wave,
outputs unloaded
pF
Digital-to-analog glitch impulse
Channel-to-channel crosstalk
nV-s
dB
Digital feedthrough
Output noise density (10-kHz offset fre-
quency)
Total harmonic distortion
0.1
120
nV-s
nV/rtHz
F
= 1 kHz, F
S
= 1 MSPS,
BW = 20 kHz
–85
dB
DC output impedance
Short-circuit current
1
V
DD
= 5 V
V
DD
= 3 V
Coming out of power-down mode,
V
DD
= 5 V
Coming out of power-down mode,
V
DD
= 3 V
50
20
15
mA
Power-up time
μs
15
REFERENCE INPUT
VREF Input range
Reference input impedance
0
V
DD
V
k
V
REF
A and V
REF
B shorted together
V
REF
A = V
B = V
= 5 V,
V
REF
A and V
REF
B shorted together
V
REF
A = V
B = V
= 3 V,
V
REF
A and V
REF
B shorted together
50
100
250
Reference current
μA
60
123
LOGIC INPUTS
(2)
Input current
V
IN_L
, Input low voltage
V
IN_H
, Input high voltage
Pin capacitance
±1
μA
V
V
pF
IOV
DD
≥
2.7 V
IOV
DD
≥
2.7 V
0.3 IOV
DD
0.7 IOV
DD
3
(1)
(2)
Linearity tested using a reduced code range of 30 to 4065; output unloaded.
Specified by design and characterization, not production tested. For 1.8 V < IOV
DD
< 2.7 V, It is recommended that
V
IH
= IOV
DD
, V
IL
= GND.
3
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