參數(shù)資料
型號: MAX9923TEUB+T
廠商: Maxim Integrated Products
文件頁數(shù): 15/15頁
文件大小: 0K
描述: IC AMP CURRENT SENSE 10-MSOP
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(shù): 1
轉換速率: 0.4 V/µs
-3db帶寬: 50kHz
電流 - 輸入偏壓: 1pA
電壓 - 輸入偏移: 0.2µV
電流 - 電源: 780µA
電壓 - 電源,單路/雙路(±): 2.85 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應商設備封裝: 10-µMAX
包裝: 帶卷 (TR)
MAX9922/MAX9923
Ultra-Precision, High-Side
Current-Sense Amplifiers
_______________________________________________________________________________________
9
Typical Operating Characteristics (continued)
(VDD = 3.3V, VSHDN = VDD, VRSB = VRS+ = VRS- = 12V, TA = +25°C, unless otherwise noted.)
Pin Description
PIN
NAME
FUNCTION
1
RSB
Current-Sense Amplifier Input Stage Supply. Connect to either RS+ or RS-.
2
RS+
Current-Sense Amplifier Positive Input
3
RS-
Current-Sense Amplifier Negative Input
4
N.C.
No Connection. Not internally connected.
5
GND
Ground
6
SHDN
Shutdown Logic Input. Connect to GND to reduce quiescent current to 1A. Connect to VDD for normal operation.
7
REF
Reference Voltage Input. Connect to an external voltage to provide a bidirectional current-sense output. Connect
to GND for unidirectional operation.
8FB
Gain-Set Feedback Input. Connect an optional noise reduction capacitor between OUT and FB.
MAX9922: Adjustable Gain. Connect a resistive-divider feedback network between OUT, FB, and REF to set the
current-sense amplifier gain. Use an external combination of R1 and R2 resistors for gain = 1 + (R2/R1).
MAX9923T/MAX9923H/MAX9923F: Fixed gain. See the Functional Diagrams.
9
OUT
Voltage Output. VOUT is proportional to VSENSE.
10
VDD
Power-Supply Voltage Input. Bypass to GND with a 0.1F capacitor.
OVERLOAD RECOVERY
(OUTPUT LIMITING) (MAX9922, AV = 100)
MAX9922/23
toc21
TIME (150
s/div)
INPUT
(50mV/div)
OUTPUT
(1V/div)
0V
SATURATION/OVERLOAD RECOVERY
(INPUT LIMITED) (MAX9922)
MAX9922/23
toc20
TIME (200
s/div)
INPUT
(100mV/div)
OUTPUT
(1V/div)
GAIN = 5V/V
0V
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