參數(shù)資料
型號: LTC1069-6CS8#TRPBF
廠商: Linear Technology
文件頁數(shù): 6/10頁
文件大?。?/td> 0K
描述: IC FILTR 8TH ORDER LOWPASS 8SOIC
標準包裝: 2,500
濾波器類型: 橢圓,低通開關電容器
頻率 - 截止或中心: 14kHz/20kHz
濾波器數(shù): 1
濾波器階數(shù): 8th
電源電壓: 3 V ~ 10 V
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SOIC
包裝: 帶卷 (TR)
LTC1069-6
5
10696fa
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Supply Voltage
Output Voltage Swing
vs Temperature
Dynamic Range THD + Noise
vs Input/Output Voltage
Dynamic Range THD + Noise
vs Input Voltage
THD + Noise vs Frequency
INPUT/OUTPUT VOLTAGE (VP-P)
0.1
–90
THD
+
NOISE
(dB)
–80
–70
–60
–50
13
1069-6 G14
–85
–75
–65
–55
–45
–40
fCLK = 170kHz
fCUTOFF = 3.4kHz
fIN = 1kHz
VIN = 2.945VP-P
INPUT VOLTAGE (VRMS)
0.1
0.5 0.76
1.43
–90
THD
+
NOISE
(dB)
–80
–70
–60
–50
15
1069-6 G10
–85
–75
–65
–55
–45
–40
fCLK = 500kHz
fIN = 1kHz
VS = SINGLE 3V
VS =
SINGLE 5V
FREQUENCY (kHz)
15
10
1069-6 G11
–90
THD
+
NOISE
(dB)
–80
–70
–60
–50
–85
–75
–65
–55
–45
–40
fCLK = 500kHz
fCUTOFF = 10kHz
VS = SINGLE 3V
VIN = 0.5VRMS
VS = SINGLE 5V
VIN = 1VRMS
TOTAL SUPPLY VOLTAGE (V)
0
SUPPLY
CURRENT
(mA)
2
5
4
8
10
1069-6 G12
1
4
3
26
12
14
16
85°C
–40°C
25°C
AMBIENT TEMPERATURE (°C)
–40
–20
0
20406080
0
POSITIVE
SWING
(V)
NEGATIVE
SWING
(mV)
20
40
60
80
4.5
2.5
4.0
2.0
1069-6 G13
RL = 10k
VS = SINGLE 5V
VS = SINGLE 3V
VS = SINGLE 5V
PIN FUNCTIONS
AGND (Pin 1): Analog Ground. The quality of the analog
signal ground can affect the lter performance. For either
single or dual supply operation, an analog ground plane
surrounding the package is recommended. The analog
ground plane should be connected to any digital ground
at a single point. For single supply operation, Pin 1 should
be bypassed to the analog ground plane with a 0.47μF
capacitor or larger. An internal resistive divider biases
Pin 1 to 0.4366 times the total power supply of the device
(Figure 1). That is, with a single 5V supply, the potential
at Pin 1 is 2.183V ±1%. As the LTC1069-6 is optimized
V+
NC
VIN
VOUT
V
1
2
3
4
8
7
6
5
NC
CLK
LTC1069-6
1069-6 F01
AGND
11.325k 8.775k
Figure 1. Internal Biasing of the Analog Ground (Pin 1)
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