參數(shù)資料
型號(hào): ADA4850-2YCPZ-RL7
廠商: ANALOG DEVICES INC
元件分類: 音頻/視頻放大
英文描述: High Speed, Rail-to-Rail Output, Op Amp with Ultralow Power-Down
中文描述: 1 CHANNEL, VIDEO AMPLIFIER, QCC16
封裝: 3 X 3 MM, ROHS COMPLIANT, MO-220-VEED-2, LFCSP-16
文件頁(yè)數(shù): 13/16頁(yè)
文件大?。?/td> 303K
代理商: ADA4850-2YCPZ-RL7
ADA4850-1/ADA4850-2
Rev. A | Page 13 of 16
6.5
–1.5
0
100
0
TIME (ns)
I
5.5
4.5
3.5
2.5
1.5
0.5
–0.5
10
20
30
40
50
60
70
80
90
V
= 5V
G = –1
R
L
= 1k
INPUT
VOLTAGE
EDGES
V
OUT
= +2.5V TO 0V
V
OUT
= –2.5V TO 0V
Figure 40. Overload Recovery
OPERATING THE ADA4850-1/ADA4850-2 ON
BIPOLAR SUPPLIES
The ADA4850-1/ADA4850-2 can operate on bipolar supplies
up to ±5 V. The only restriction is that the voltage between V
S
and the power-down pin must not exceed 6 V. Voltage
differences greater than 6 V can cause permanent damage to the
amplifier. For example, when operating on ±5 V supplies, the
power-down pin must not exceed +1 V.
POWER-DOWN PINS
The ADA4850-1/ADA4850-2 feature an ultralow power-down
mode that lowers the supply current to less than 150 nA. When
a power-down pin is brought to within 0.6 V of the negative
supply, the amplifier is powered down. Table 5 outlines the
power-down pin functionality. To ensure proper operation, the
power-down pins (PD) should not be left floating.
Table 5. Power-Down Pins Functionality
Supply Voltage
ADA4850-1
Powered Down
0 V to 0.7 V
Enabled
0.8 to +V
S
3 V and 5 V
ADA4850-2
0 V to 0.6 V
1.7 V to +V
S
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