參數(shù)資料
型號： 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
文件頁數(shù)： 4/31頁
文件大?。?/td> 783K
代理商： DAC757IDGSR
www.ti.com
DAC7574
SLAS375–JUNE 2003
ELECTRICAL CHARACTERISTICS (continued)
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
TEMPERATURE RANGE
Specified performance
-40
+105
°
C
TIMING CHARACTERISTICS
V
DD
= 2.7 V to 5.5 V, R
L
= 2 k
to GND; all specifications -40
°
C to +105
°
C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Standard mode
100
kHz
Fast mode
400
kHz
f
SCL
SCL clock frequency
High-Speed Mode, C
B
= 100 pF max
High-speed mode, C
B
= 400 pF max
Standard mode
3.4
MHz
1.7
MHz
4.7
μs
Bus free time between a
STOP and START condition
t
BUF
Fast mode
1.3
μs
Standard mode
4.0
μs
Hold time (repeated) START
condition
t
HD
; t
STA
Fast mode
600
ns
High-speed mode
160
ns
Standard mode
4.7
μs
Fast mode
1.3
μs
t
LOW
LOW period of the SCL clock
High-speed mode, C
B
= 100 pF max
High-speed mode, C
B
= 400 pF max
Standard mode
160
ns
320
ns
4.0
μs
Fast mode
600
ns
t
HIGH
HIGH period of the SCL clock
High-Speed Mode, C
B
= 100 pF max
High-speed mode, C
B
= 400 pF max
Standard mode
60
ns
120
ns
4.7
μs
Setup time for a repeated
START condition
t
SU
; t
STA
Fast mode
600
ns
High-speed mode
160
ns
Standard mode
250
ns
t
SU
; t
DAT
Data setup time
Fast mode
100
ns
High-speed mode
10
ns
Standard mode
0
3.45
μs
Fast mode
0
0.9
μs
t
HD
; t
DAT
Data hold time
High-speed mode, C
B
= 100 pF max
High-speed mode, C
B
= 400 pF max
Standard mode
0
70
ns
0
150
ns
20
×
0.1C
B
20
×
0.1C
B
1000
ns
Fast mode
300
ns
t
RCL
Rise time of SCL signal
High-speed mode, C
B
= 100 pF max
High-speed mode, C
B
= 400 pF max
Standard mode
10
40
ns
20
80
ns
20
×
0.1C
B
20
×
0.1C
B
1000
ns
Rise time of SCL signal after
a repeated START condition
and after an acknowledge
BIT
Fast mode
300
ns
t
RCL1
High-speed mode, C
B
= 100 pF max
High-speed mode, C
B
= 400 pF max
Standard mode
10
80
ns
20
160
ns
20
×
0.1C
B
20
×
0.1C
B
300
ns
Fast mode
300
ns
t
FCL
Fall time of SCL signal
High-speed mode, C
B
= 100 pF max
High-speed mode, C
B
= 400 pF max
10
40
ns
20
80
ns
4
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