参数资料
型号: LTC6915IGN#TRPBF
厂商: Linear Technology
文件页数: 14/18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
5
6915fb
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C.
CMRR
Common Mode Rejection Ratio
AV = 1024, VCM = –5V to 5V, LTC6915C
AV = 1024, VCM = –4.9V to 4.9V, LTC6915I
AV = 1024, VCM = –5V to 5V, LTC6915I
AV = 1024, VCM = –4.9V to 4.9V, LTC6915H
AV = 1024, VCM = –5V to 4.97V, LTC6915H
l
105
100
90
123
dB
PSRR
Power Supply Rejection Ratio (Note 5)
VS = 2.7V to 11V
l
110
116
dB
Output Voltage Swing High
Sourcing 200A
Sourcing 2mA
l
4.97
4.90
4.99
4.96
V
Output Voltage Swing Low
Sinking 200A
Sinking 2mA
l
–4.98
–4.90
–4.92
–4.70
V
Supply Current, Parallel Mode
No Load, VCM = 0mV
l
1.1
1.6
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
1.73
2.48
mA
Supply Current, Shutdown
VSHDN = 4V (Hardware Shutdown)
VSHDN = 1V, Gain Control Code = 0000
(Software Shutdown)
l
160
25
240
A
SHDN Input High
l
4
V
SHDN Input Low
l
1
V
V+ = 5V, V= –5V, VREF = 0V
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
Digital I/O, All Digital I/O Voltage Referenced to DGND
VIH
Digital Input High Voltage
l
2.0
V
VIL
Digital Input Low Voltage
l
0.8
V
VOH
Digital Output High Voltage
Sourcing 500A
l
V+ – 0.3
V
VOL
Digital Output Low Voltage
Sinking 500A
l
0.3
V
Digital Input Leakage
V+ = 5V, V= –5V, VIN = 0V to 5V
l
±2
A
Timing, V+ = 2.7V to 4.5V, V= 0V (Note 7)
t1
DIN Valid to CLK Setup
l
60
ns
t2
DIN Valid to CLK Hold
l
0
ns
t3
CLK Low
l
100
ns
t4
CLK High
l
100
ns
t5
CS/LD Pulse Width
l
60
ns
t6
LSB CLK to CS/LD
l
60
ns
t7
CS/LD Low to CLK
l
30
ns
t8
DOUT Output Delay
CL = 15pF
l
125
ns
t9
CLK Low to CS/LD Low
l
0
ns
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