参数资料
| 型号： | LT1993CUD-4#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 10/16页 |
| 文件大小： | 0K |
| 描述： | IC DIFF AMP/ADC DRVR 16-QFN |
| 标准包装： | 2,500 |
| 放大器类型： | 差分 |
| 电路数： | 2 |
| 输出类型： | 差分 |
| 转换速率： | 1100 V/µs |
| -3db带宽： | 900MHz |
| 电流 - 输入偏压： | 5µA |
| 电压 - 输入偏移： | 1000µV |
| 电流 - 电源： | 100mA |
| 电流 - 输出 / 通道： | 45mA |
| 电压 - 电源，单路/双路(±)： | 4 V ~ 5.5 V，±2 V ~ 2.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-QFN-EP（3x3） |
| 包装： | 带卷 (TR) |
LT1993-4
3
19934fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input/Output Characteristics
–3dBBW
–3dB Bandwidth
200mVP-P Differential (+OUT, –OUT)
500
900
MHz
0.1dBBW
Bandwidth for 0.1dB Flatness
200mVP-P Differential (+OUT, –OUT)
50
MHz
0.5dBBW
Bandwidth for 0.5dB Flatness
200mVP-P Differential (+OUT, –OUT)
100
MHz
SR
Slew Rate
3.2VP-P Differential (+OUT, –OUT)
1100
V/s
ts1%
1% Settling Time
1% Settling for a 1VP-P Differential Step
(+OUT, –OUT)
4ns
tON
Turn-On Time
40
ns
tOFF
Turn-Off Time
250
ns
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CMRR
Common Mode Rejection Ratio
Input Common Mode 0.5V to 4.3V
●
45
70
dB
ROUTDIFF
Output Resistance
0.3
Ω
COUTDIFF
Output Capacitance
0.8
pF
Common Mode Voltage Control (VOCM Pin)
GCM
Common Mode Gain
Differential (+OUT, –OUT), VOCM = 1.2V to 3.6V
Differential (+OUT, –OUT), VOCM = 1.4V to 3.4V
●
0.9
1
1.1
V/V
VOCMMIN
Output Common Mode Voltage
Adjustment Range, MIN
Measured Single-Ended at +OUT and –OUT
●
1.2
1.4
V
VOCMMAX
Output Common Mode Voltage
Adjustment Range, MAX
Measured Single-Ended at +OUT and –OUT
●
3.6
3.4
V
VOSCM
Output Common Mode Offset
Voltage
Measured from VOCM to Average of +OUT and –OUT ●
–30
2
30
mV
IBIASCM
VOCM Input Bias Current
●
515
A
RINCM
VOCM Input Resistance
●
0.8
3
M
Ω
CINCM
VOCM Input Capacitance
1pF
ENABLE Pin
VIL
ENABLE Input Low Voltage
●
0.8
V
VIH
ENABLE Input High Voltage
●
2V
IIL
ENABLE Input Low Current
ENABLE = 0.8V
●
0.5
A
IIH
ENABLE Input High Current
ENABLE = 2V
●
13
A
Power Supply
VS
Operating Range
●
4
5
5.5
V
IS
Supply Current
ENABLE = 0.8V
●
88
100
112
mA
ISDISABLED
Supply Current (Disabled)
ENABLE = 2V
●
250
500
A
PSRR
Power Supply Rejection Ratio
4V to 5.5V
●
55
90
dB
The
● denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VCCA = VCCB = VCCC = 5V, VEEA = VEEB = VEEC = 0V, ENABLE = 0.8V, +INA
shorted to +INB (+IN), –INA shorted to –INB (–IN), VOCM = 2.2V, Input common mode voltage = 2.2V, no RLOAD unless otherwise noted.
TA = 25°C, VCCA = VCCB = VCCC = 5V, VEEA = VEEB = VEEC = 0V,
ENABLE = 0.8V, +INA shorted to +INB (+IN), –INA shorted to –INB (–IN), VOCM = 2.2V, Input common mode voltage = 2.2V, no RLOAD
unless otherwise noted.
DC ELECTRICAL CHARACTERISTICS
AC ELECTRICAL CHARACTERISTICS
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