參數(shù)資料
型號(hào): MAX1138KEEE+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 17/22頁(yè)
文件大?。?/td> 0K
描述: IC ADC 10BIT SERIAL 16-QSOP
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 10
采樣率(每秒): 94.4k
數(shù)據(jù)接口: I²C,串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 3.35mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-QSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類(lèi)型: 12 個(gè)單端,單極;12 個(gè)單端,雙極;6 個(gè)差分,單極;6 個(gè)差分,雙極
MAX1136–MAX1139
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial 10-Bit ADCs
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 2.7V to 3.6V (MAX1137/MAX1139), VDD = 4.5V to 5.5V (MAX1136/MAX1138), VREF = 2.048V (MAX1137/MAX1139), VREF =
4.096V (MAX1136/MAX1138), fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C. See
Tables 1–5 for programming notation.)
TIMING CHARACTERISTICS (Figure 1)
(VDD = 2.7V to 3.6V (MAX1137/MAX1139), VDD = 4.5V to 5.5V (MAX1136/MAX1138), VREF = 2.048V (MAX1137/MAX1139), VREF =
4.096V (MAX1136/MAX1138), fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C. See
Tables 1–5 for programming notation.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
POWER REQUIREMENTS
Power-Supply Rejection Ratio
PSRR
Full-scale input (Note 9)
±0.01
±0.5
LSB/V
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TIMING CHARACTERISTICS FOR FAST MODE
Serial Clock Frequency
fSCL
400
kHz
Bus Free Time Between a
STOP (P) and a
START (S) Condition
tBUF
1.3
s
Hold Time for START (S) Condition
tHD, STA
0.6
s
Low Period of the SCL Clock
tLOW
1.3
s
High Period of the SCL Clock
tHIGH
0.6
s
Setup Time for a Repeated START
Condition (Sr)
tSU, STA
0.6
s
Data Hold Time
tHD, DAT
(Note 10)
0
900
ns
Data Setup Time
tSU, DAT
100
ns
Rise Time of Both SDA and SCL
Signals, Receiving
tR
Measured from 0.3VDD to 0.7VDD
20 + 0.1CB
300
ns
Fall Time of SDA Transmitting
tF
Measured from 0.3VDD to 0.7VDD (Note 11)
20 + 0.1CB
300
ns
Setup Time for STOP (P) Condition
tSU, STO
0.6
s
Capacitive Load for Each Bus Line
CB
400
pF
Pulse Width of Spike Suppressed
tSP
50
ns
TIMING CHARACTERISTICS FOR HIGH-SPEED MODE (CB = 400pF, Note 12)
Serial Clock Frequency
fSCLH
(Note 13)
1.7
MHz
Hold Time, Repeated START
Condition (Sr)
tHD, STA
160
ns
Low Period of the SCL Clock
tLOW
320
ns
High Period of the SCL Clock
tHIGH
120
ns
Setup Time for a Repeated START
Condition (Sr)
tSU, STA
160
ns
Data Hold Time
tHD, DAT
(Note 10)
0
150
ns
Data Setup Time
tSU, DAT
10
ns
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