參數資料
型號: MAX9934TAUA+T
廠商: Maxim Integrated Products
文件頁數: 17/19頁
文件大?。?/td> 0K
描述: IC AMP CURR SENSE LV 8UMAX
產品培訓模塊: 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: 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)
供應商設備封裝: 8-uMAX
包裝: 帶卷 (TR)
MAX9934
High-Precision, Low-Voltage, Current-Sense Amplifier
with Current Output and Chip Select for Multiplexing
7
Maxim Integrated
Typical Operating Characteristics (continued)
(VCC = 3.3V, VRS+ = VRS- = 3.0V, VSENSE = 0V, CL = 1000pF, ROUT = 10k to GND for unidirectional operation, ROUT = 10k to
VCC/2 for bidirectional operation. TA = +25°C, unless otherwise noted.)
1pA
10pA
1nA
100pA
10nA
100nA
-0.1
0.9
0.4
1.4
1.9
2.4
2.9
3.4
RS- BIAS CURRENT
vs. VRS- (-0.1V
≤ VRS- ≤ VCC)
MAX9934
toc16
VRS- (V)
RS-
BIAS
CURRENT
(pA)
TA = +125
°C
TA = +25
°C AND -40°C
0
15
10
5
20
25
30
35
40
45
50
3.0
4.0
3.5
4.5
5.0
5.5
RS- BIAS CURRENT
vs. VRS- ( 3V
≤ VRS_ ≤ 5.5V)
MAX9934
toc17
VRS- (V)
RS-
BIAS
CURRENT
(
A)
TA = +125
°C
TA = +25
°C
TA = -40
°C
100fA
1pA
100pA
10pA
1nA
10nA
0
1.0
1.5
0.5
2.0
2.5
3.0
3.5
4.0
OUTPUT LEAKAGE CURRENT
vs. VOUT (VCS = 0)
MAX9934
toc18
VOUT (V)
OUTPUT
LEAKAGE
CURRENT
TA = +125
°C
TA = +25
°C
TA = -40
°C
1pA
10pA
100pA
1nA
10nA
0
1.0
2.0
3.0
0.5
1.5
2.5
3.5
4.0
OUTPUT LEAKAGE CURRENT
vs. VOUT (VCC = 0, VCS = 0)
MAX9934
toc19
VOUT (V)
OUTPUT
LEAKAGE
CURRENT
TA = +125
°C
TA = +25
°C
TA = -40
°C
NORMALIZED GAIN
vs. FREQUENCY
MAX9934
toc20
FREQUENCY (Hz)
NORMALIZED
GAIN
(dB)
10k
1k
100
10
-30
-20
-10
0
10
-40
1
100k
G = 5FA/mV
G = 25FA/mV
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX9934
toc21
FREQUENCY (kHz)
CMRR
(dB)
10
1.0
0.1
-120
-100
-80
-60
-40
-20
0
-140
0.01
100
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