参数资料
型号: DS3908N+T&R
厂商: Maxim Integrated Products
文件页数: 5/11页
文件大小: 0K
描述: IC POT DUAL DIGITAL 14-TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
接片: 64
电阻(欧姆): 100k
电路数: 2
温度系数: 标准值 50 ppm/°C
存储器类型: 非易失
接口: I²C(设备位址)
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-WFDFN 裸露焊盘
供应商设备封装: 14-TDFN-EP(3x3)
包装: 带卷 (TR)
DS3908
Dual, 64-Position Nonvolatile Digital
Potentiometer with Buffered Outputs
_____________________________________________________________________
3
AC ELECTRICAL CHARACTERISTICS
(VCC = +3.0V to +5.5V, TA = -40°C to +85°C.) (See Figure 2.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCL Clock Frequency
fSCL
(Note 6)
400
kHz
Bus Free Time between STOP
and START Conditions
tBUF
1.3
s
Hold Time (Repeated) START
Condition
tHD:STA
0.6
s
Low Period of SCL
tLOW
1.3
s
High Period of SCL
tHIGH
0.6
s
Data Hold Time
tHD:DAT
0
0.9
s
Data Setup Time
tSU:DAT
100
ns
Start Setup Time
tSU:STA
0.6
s
SDA and SCL Rise Time
tR
(Note 7)
20 + 0.1CB
300
ns
SDA and SCL Fall Time
tF
(Note 7)
20 + 0.1CB
300
ns
STOP Setup Time
tSU:STO
0.6
s
SDA and SCL Capacitance
CB
(Note 7)
400
pF
EEPROM Write Time
tW
(Note 8)
10
17
ms
Startup Time
tST
VCC = 3.0V
40
s
PROGRAMMABLE-GAIN AMPLIFIER CHARACTERISTICS
(VCC = +3.0V to +5.5V, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Common-Mode Input Voltage
CMVIN
0
VCC - 1.5
V
RL
≥ 2k, G = 1V/V
0.975
1
1.025
RL
≥ 2k, G = 2V/V
1.925
2
2.05
Gain
G
RL
≥ 2k, G = 4V/V
3.850
4
4.10
V/V
Output Voltage Range
VOUT
RL = 2k
, -1mA < IOUT < 1mA
0.3
VCC - 0.3
V
Power-Supply Rejection Ratio
PSRR
60
90
dB
Output Source Current
IOUT:SOURCE
VOUT = 0V, Hx = Lx = 1V
-15
mA
Output Sink Current
IOUT:SINK
VOUT = 1V, Hx = Lx = 0V
15
mA
Unity-Gain Frequency
fT
Gain = 1V/V, position 3Fh
3.5
MHz
Amplifier Capacitive Loading
CL
100
pF
Input Offset Voltage
VOS
-9
+9
mV
Load Regulation
-1mA < IOUT < 1mA
800
2200
V/mA
Output-Voltage Slew Rate
RL = 10k
, CL = 10pF
270
840
V/ms
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