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參數(shù)資料
| 型號： | LT6211IMS |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Single/Dual Programmable Supply Current, R-R Output, Current Feedback Amplifiers |
| 中文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO10 |
| 封裝： | PLASTIC, MSOP-10 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 457K |
| 代理商： | LT6211IMS |
6
LT6210/LT6211
62101f
SYMBOL PARAMETER
CMRR
Common Mode Rejection Ratio V
IN
= V
+
– 1.2V to V
–
+ 1.2V
CONDITIONS
MIN
46
43
TYP
50
MAX
MIN
TYP
46
MAX
UNITS
dB
dB
G
–I
CMRR
Inverting Input Current
Common Mode Rejection
Power Supply Rejection Ratio
Inverting Input Current
Power Supply Rejection
Supply Current per Amplifier
V
IN
= V
+
– 1.2V to V
–
+ 1.2V
0.15
±
1.5
±
2
0.2
μ
A/V
μ
A/V
dB
μ
A/V
μ
A/V
mA
mA
mA
G
PSRR
–I
PSRR
V
S
=
±
1.5V to
±
6V (Note 6)
V
S
=
±
1.5V to
±
6V (Note 6)
G
60
85
0.4
60
85
0.4
±
2.2
±
4
0.525
0.6
±
2.2
±
4
0.38
0.43
G
I
S
0.3
0.3
G
I
OUT
Maximum Output Current
R
L
= 0
(Notes 7, 11)
V
OUT
= V
+
– 1.2V to V
–
+ 1.2V
(Note 8)
50% V
IN
to 50% V
OUT
,
100mV
P-P
,
Larger of t
pd
+, t
pd
–
<1dB Peaking, A
V
= 1
To 0.1% of V
FINAL
, V
STEP
= 2V
G
±
30
±
10
R
OL
SR
t
pd
Transimpedance,
V
OUT
/
I
IN
–
Slew Rate
Propagation Delay
300
120
660
170
30
65
120
20
50
k
V/
μ
s
ns
BW
t
s
t
f
, t
r
HD2
HD3
–3dB Bandwidth
Settling Time
Small-Signal Rise and Fall Time 10% to 90%, V
OUT
= 100mV
P-P
2nd Harmonic Distortion
3rd Harmonic Distortion
10
200
40
–40
–45
7.5
300
50
–45
–45
MHz
ns
ns
dBc
dBc
f = 1MHz, V
OUT
= 2V
P-P
f = 1MHz, V
OUT
= 2V
P-P
(I
S
= 300
μ
A per Amplifier)
The
G
denotes specifications which
apply over the specified operating temperature range, otherwise specifications are at T
A
= 25
°
C. For V
+
= 5V, V
–
= –5V: R
SET
= 1M to
ground, A
V
= +2, R
F
= R
G
= 11k, R
L
= 1k; For V
+
= 3V, V
–
= 0V: R
SET
= 270k to V
–
, A
V
= +2, R
F
= 9.31k, R
G
= 9.31k to 1.5V, R
L
= 1k to
1.5V unless otherwise specified.
V
+
= 5V,
V
–
= –5V, I
S
= 300
μ
A
V
+
= 3V,
V
–
= 0V, I
S
= 300
μ
A
ELECTRICAL CHARACTERISTICS
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
As long as output current and junction temperature are kept below
the absolute maximum ratings, no damage to the part will occur.
Depending on the supply voltage, a heat sink may be required.
Note 3:
The LT6210C/LT6211C is guaranteed functional over the operating
temperature range of –40
°
C to 85
°
C.
Note 4:
The LT6210C/LT6211C is guaranteed to meet specified perfor-
mance from 0
°
C to 70
°
C. The LT6210C/LT6211C is designed, character-
ized and expected to meet specified performance from –40
°
C and 85
°
C
but is not tested or QA sampled at these temperatures. The LT6210I/
LT6211I is guaranteed to meet specified performance from –40
°
C to 85
°
C.
Note 5:
The LT6210 with no metal connected to the V
–
pin has a
θ
JA
of
230
°
C/W, however, thermal resistances vary depending upon the amount
of PC board metal attached to Pin 2 of the device. With the LT6210
mounted on a 2500mm
2
3/32" FR-4 board covered with 2oz copper on
both sides and with just 20mm
2
of copper attached to Pin 2,
θ
JA
drops to
160
°
C/W. Thermal performance can be improved even further by using a
4-layer board or by attaching more metal area to Pin 2.
Thermal resistance of the LT6211 in MSOP-10 is specified for a 2500mm
2
3/32" FR-4 board covered with 2oz copper on both sides and with 100mm
2
of copper attached to Pin 5. Its performance can also be increased with
additional copper much like the LT6210.
To achieve the specified
θ
JA
of 43
°
C/W for the LT6211 DFN-10, the
exposed pad must be soldered to the PCB. In this package,
θ
JA
will benefit
from increased copper area attached to the exposed pad.
T
J
is calculated from the ambient temperature T
A
and the power dissipa-
tion P
D
according to the following formula:
T
J
= T
A
+ (P
D
θ
JA
)
The maximum power dissipation can be calculated by:
P
D(MAX)
= (V
S
I
S(MAX)
) + (V
S
/2)
2
/R
LOAD
Note 6:
For PSRR and –I
PSRR
testing, the current into the I
SET
pin is
constant, maintaining a consistent LT6210/LT6211 quiescent bias point. A
graph of PSRR vs Frequency is included in the Typical Performance
Characteristics showing +PSRR and –PSRR with R
SET
connecting I
SET
to
ground.
Note 7:
While the LT6210 and LT6211 circuitry is capable of significant
output current even beyond the levels specified, sustained short-circuit
current exceeding the Absolute Maximum Rating of
±
80mA may
permanently damage the device.
Note 8:
This parameter is guaranteed to meet specified performance
through design and characterization. It is not production tested.
Note 9:
Differential gain and phase are measured using a Tektronix
TSG120YC/NTSC signal generator and a Tektronix 1780R Video Measure-
ment Set. The resolution of this equipment is 0.1% and 0.1
°
. Five identical
amplifier stages were cascaded giving an effective resolution of 0.02% and
0.02
°
.
Note 10:
Input voltage range on
±
5V dual supplies is guaranteed by
CMRR. On 3V single supply it is guaranteed by design and by correlation
to the
±
5V input voltage range limits.
Note 11:
This parameter is tested by forcing a 50mV differential voltage
between the inverting and noninverting inputs.
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