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参数资料
| 型号： | DC1826A-A |
| 厂商： | Linear Technology |
| 文件页数： | 4/26页 |
| 文件大小： | 0K |
| 描述： | BOARD SAR ADC LTC2389-18 |
| 软件下载： | QuikEval II System |
| 设计资源： | DC1826A Schematic DC1826A Design Files |
| 标准包装： | 1 |
| 系列： | QuikEval-II™ |
| ADC 的数量： | 1 |
| 位数： | 18 |
| 采样率（每秒）： | 2.5M |
| 数据接口： | 串行，并联 |
| 输入范围： | ±4.096 V |
| 在以下条件下的电源（标准）： | 162.5mW @ 2.5MSPS |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC2389-18 |
| 已供物品： | 板 |
| 相关产品： | LTC2389IUK-18#TRPBF-ND - IC ADC 18BIT PAR/SRL 2.5M 48-QFN LTC2389HLX-18#PBF-ND - IC ADC 18BIT PAR/SRL 2.5M 48LQFP LTC2389CUK-18#TRPBF-ND - IC ADC 18BIT PAR/SRL 2.5M 48-QFN LTC2389CUK-18#PBF-ND - IC ADC 18BIT PAR/SRL 2.5M 48-QFN LTC2389CLX-18#PBF-ND - IC ADC 18BIT PAR/SRL 2.5M 48LQFP LTC2389IUK-18#PBF-ND - IC ADC SAR 48QFN LTC2389ILX-18#PBF-ND - IC ADC SAR 48LQFP DC718C-ND - DEMO QUIKEVAL-II DATA |
LT6200/LT6200-5
LT6200-10/LT6201
12
62001ff
Typical perForMance characTerisTics
Warm-Up Drift
vs Time (LT6200S8)
Total Noise vs Source Resistance
Input Noise Voltage vs Frequency
TIME AFTER POWER-UP (SEC)
0
CHANGE
IN
OFFSET
VOLTAGE
(V)
50
100
150
200
40
80
120
160
6200 G16
250
300
20
60
100
140
TA = 25°C
VS = ±5V
VS = ±1.5V
VS = ±2.5V
SOURCE RESISTANCE ()
1
TOTAL
NOISE
VOLTAGE
(nV/√
Hz
)
10
1k
10k
100k
6200 G17
0.1
100
LT6200
TOTAL NOISE
RESISTOR
NOISE
LT6200 AMPLIFIER
NOISE VOLTAGE
VS = ±5V
VCM = 0V
f = 100kHz
UNBALANCED
SOURCE
RESISTORS
FREQUENCY (Hz)
10
NOISE
VOLTAGE
(nV/√
Hz
)
25
30
35
100k
6200 G18
20
15
0
100
1k
10k
10
5
45
40
VS = 5V, 0V
TA = 25°C
PNP ACTIVE
VCM = 0.5V
NPN ACTIVE
VCM = 4.5V
BOTH ACTIVE
VCM = 2.5V
Balanced Noise Current
vs Frequency
0.1Hz to 10Hz Output
Noise Voltage
FREQUENCY (Hz)
5
BALANCED
NOISE
CURRENT
(pA/√
Hz
)
10
15
20
25
10
1k
10k
100k
6200 G19
0
100
VS = 5V, 0V
TA = 25°C
BALANCED
SOURCE
RESISTANCE
PNP ACTIVE
VCM = 0.5V
NPN ACTIVE
VCM = 4.5V
BOTH ACTIVE
VCM = 2.5V
Unbalanced Noise Current
vs Frequency
FREQUENCY (Hz)
10
UNBALANCED
NOISE
CURRENT
(pA/√
Hz
)
20
30
35
10
1k
10k
100k
6200 G20
0
100
25
15
5
VS = 5V, 0V
TA = 25°C
UNBALANCED
SOURCE
RESISTANCE
PNP ACTIVE
VCM = 0.5V
BOTH ACTIVE
VCM = 2.5V
NPN ACTIVE
VCM = 4.5V
TIME (5SEC/DIV)
OUTPUT
VOLTAGE
NOISE
(nV)
6200 G21
VS = 5V, 0V
VCM = VS/2
800
600
400
200
0
–200
–400
–600
–800
Supply Current
vs SHDN Pin Voltage
SHDN PIN VOLTAGE (V)
0
SUPPLY
CURRENT
(mA)
4
8
12
16
1
2
3
4
6200 G21a
5
20
2
6
10
14
18
22
TA = –55°C
TA = 25°C
TA = 125°C
VS = 5V, 0V
SHDN Pin Current
vs SHDN Pin Voltage
SHDN PIN VOLTAGE (V)
0
–50
0
50
4
6200 G21b
–100
–150
1
2
3
5
–200
–250
–300
SHDN
PIN
CURRENT
(A)
TA = 25°C
TA = 125°C
VS = 5V, 0V
TA = –55°C
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