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参数资料
| 型号： | LTC6915IGN#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 12/18页 |
| 文件大小： | 0K |
| 描述： | IC PGA DIGITAL PREC 0DRFT 16SSOP |
| 标准包装： | 2,500 |
| 放大器类型： | 仪表 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.2 V/µs |
| 增益带宽积： | 200kHz |
| 电流 - 输入偏压： | 4nA |
| 电压 - 输入偏移： | 5µV |
| 电流 - 电源： | 1.73mA |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 11 V，±1.35 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 带卷 (TR) |
LTC6915
3
6915fb
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V+ = 3V, V– = 0V, VREF = 200mV
Gain Error (Note 2)
AV = 1 (RL =10k)
l
–0.075
0
0.075
%
Gain Error (Note 2)
AV = 2 to 32 (RL = 10k)
l
–0.5
0
0.5
%
Gain Error (Note 2)
AV = 64 to 1024 (RL = 10k)
l
–0.6
–0.1
0.6
%
Gain Error (Note 2)
AV = 2048, 4096 (RL = 10k)
l
–1
–0.2
1.0
%
Gain Nonlinearity
AV = 1
l
3
15
ppm
VOS
Input Offset Voltage (Note 3)
VCM = 200mV
–3
±10
V
Average Input Offset Drift (Note 3)
TA = –40°C to 85°C
TA = 85°C to 125°C
l
±50
±100
nV/°C
IB
Average Input Bias Current (Note 4)
VCM = 1.2V
l
5
10
nA
IOS
Average Input Offset Current (Note 4)
VCM = 1.2V
l
1.5
3
nA
en
Input Noise Voltage
DC to 10Hz
2.5
VP-P
V+ = 3V, V– = 0V, VREF = 200mV
CMRR
Common Mode Rejection Ratio
AV = 1024, VCM = 0V to 3V, LTC6915C
AV = 1024, VCM = 0.1V to 2.9V, LTC6915I
AV = 1024, VCM = 0V to 3V, LTC6915I
AV = 1024, VCM = 0.1V to 2.9V, LTC6915H
AV = 1024, VCM = 0V to 2.97V, LTC6915H
l
100
95
100
85
119
dB
PSRR
Power Supply Rejection Ratio (Note 5)
VS = 2.7V to 6V
l
110
116
dB
Output Voltage Swing High (Referenced to V–)
Sourcing 200A
Sourcing 2mA
l
2.95
2.75
2.98
2.87
V
Output Voltage Swing Low (Referenced to V–)
Sinking 200A
Sinking 2mA
l
18
130
50
300
mV
Supply Current, Parallel Mode
No Load at OUT, VCM = 200mV
l
0.88
1.3
mA
Supply Current, Serial Mode (Note 6)
No Load at OUT, Capacitive Load at
DOUT (CL) = 15pF, Continuous CLK
Frequency = 4MHz, CS = LOW,
Gain Control Code = 0001
l
1.1
1.65
mA
Supply Current Shutdown
VSHDN = 2.7V (Hardware Shutdown)
VSHDN = 1V, Gain Control Code = 0000
(Software Shutdown)
l
1
125
4
180
A
SHDN Input High
l
2.7
V
SHDN Input Low
l
1
V
SHDN and HOLD_THRU Input Current (Note 2)
l
5
A
Internal Op Amp Gain Bandwidth
200
kHz
Slew Rate
0.2
V/s
Internal Sampling Frequency
3
kHz
V+ = 5V, V– = 0V, VREF = 200mV
Gain Error (Note 2)
AV = 1 (RL = 10k)
l
–0.075
0
0.075
%
Gain Error (Note 2)
AV = 2 to 32 (RL= 10k)
l
–0.5
0
0.5
%
Gain Error (Note 2)
AV = 64 to 1024 (RL = 10k)
l
–0.6
–0.1
0.6
%
Gain Error (Note 2)
AV = 2048, 4096 (RL = 10k)
l
–1
–0.2
1
%
Gain Nonlinearity
AV = 1
l
3
15
ppm
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