參數(shù)資料
型號： MAX9934TAUA+T
廠商： Maxim Integrated Products
文件頁數(shù)： 13/19頁
文件大?。?/td> 0K
描述： IC AMP CURR SENSE LV 8UMAX
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 2,500
放大器類型： 電流檢測
電路數(shù)： 1
-3db帶寬： 1.5kHz
電流 - 輸入偏壓： 35µA
電壓 - 輸入偏移： 10µV
電流 - 電源： 120µA
電壓 - 電源，單路/雙路(±)： 2.5 V ~ 3.6 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 8-uMAX
包裝： 帶卷 (TR)
MAX9934
High-Precision, Low-Voltage, Current-Sense Amplifier
with Current Output and Chip Select for Multiplexing
3
Maxim Integrated
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX9934T
25
Current Gain (Transconductance)
GM
MAX9934F
5
A/mV
TA = +25°C
±0.25
MAX9934T
-40°C
≤ TA ≤ +125°C
±2.0
TA = +25°C
±0.25
Current Gain Error
(Note 4)
GME
MAX9934F
-40°C
≤ TA ≤ +125°C
±2.4
%
MAX9934T
±200
Gain Error Drift
GME/dT
MAX9934F
±240
ppm/°C
Input-Bias Current for RS+
IBRS+
VRS+ = VRS- = 5.5V
0.1
100
nA
VRS+ = VRS-
≤ VCC - 0.2V
0.1
100
nA
Input-Bias Current for RS-
IBRS-
VRS+ = VRS- = 5.5V
35
60
A
Input Leakage Current
ILEK
VCC = 0V, VRS+ = VRS- = 5.5V
0.1
100
nA
DC CHARACTERISTICS
Minimum Current for Output Low
IOL
Unidirectional, VOL = IOL x ROUT
1
100
nA
VOH
IOUT = +600A, VOH = VCC - VOUT
0.1
0.25
Output-Voltage Range
(MAX9934T)
VOL
IOUT = -600A, bidirectional
0.15
0.25
V
VOH
IOUT = +375A, VOH = VCC - VOUT
0.18
0.30
Output-Voltage Range
(MAX9934F)
VOL
IOUT = -375A, bidirectional
0.18
0.26
V
Deselected Amplifier Output
Leakage
IOLK
VCS = 0V, VOUT = 3.6V,
and 0
≤ VCC ≤ 3.6V
0.1
100
nA
LOGIC I/O (CS)
Input Voltage Low CS
VIL
0.54
V
Input Voltage High CS
VIH
1.26
V
Input Current CS
IIL,IIH
0
≤ VCS ≤ VCC
0.1
100
nA
POWER SUPPLY
Supply-Voltage Range
VCC
Guaranteed by PSRR
2.5
3.6
V
Power-Supply Rejection Ratio
PSRR
2.5V
≤ VCC ≤ 3.6V,
VRS+ = VRS- = 2V (Note 3)
110
120
dB
Supply Current
ICC
VCC = 3.3V, ROUT = 10k
to 3.3V,
VRS+ = VRS- = 3.1V
120
230
A
Supply Current, Output
Deselected
ICC,DES
VCS = 0V, ROUT = 10k
to 3.3V,
VRS+ = VRS- = 3.1V
120
210
A
AC CHARACTERISTICS (CL = 1000pF)
MAX9934T
GM = 25A/mV, VSENSE = 5mV
1.5
Amplifier Bandwidth
BW
MAX9934F
GM = 5A/mV, VSENSE = 25mV
5
kHz
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 3.3V, VRS+ = VRS- = 3.0V, VSENSE = 0V, VCM = (VRS+ + VRS-)/2, VCS = 3.3V, ROUT = 10k to GND for unidirectional opera-
tion, ROUT = 10k to VCC/2 for bidirectional operation. TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA =
+25°C.) (Note 2)
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