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| 型号： | TLV1562IDWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封装： | 1.27 MM PITCH, GREEN, SOIC-28 |
| 文件页数： | 5/41页 |
| 文件大小： | 600K |
| 代理商： | TLV1562IDWR |
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TLV1562
2.7 V TO 5.5 V, HIGH-SPEED LOW-POWER RECONFIGURABLE ANALOG-TO-DIGITAL
CONVERTER WITH 4-INPUT, DUAL S/H, PARALLEL INTERFACE, AND POWER DOWN
SLAS162 – SEPTEMBER 1998
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description (continued)
Table 3. Maximum Conversion Speed (for 1 LSB INL and DNL at 10 bit)
MAXIMUM CONVERSION THROUGHPUT
CONVERSION MODE
CR0.(3,2)
EXTERNAL CLOCK
(10 MHz)
INTERNAL CLOCK
(8 MHz)
RD
1.5 MSPS
1.1 MSPS
Mono interrupt driven conversion mode
RD with auto power down
00
0.82 MSPS
0.68 MSPS
Mono interrupt-driven conversion mode
CSTART
00
1.5 MSPS
1.1 MSPS
CSTART with auto power down
0.82 MSPS
0.68 MSPS
Dual interrupt driven conversion mode
CSTART
01
1.5 MSPS
0.91 MSPS
Dual interrupt-driven conversion mode
CSTART with auto power down
01
1.05 MSPS
0.83 MSPS
Mono continuous conversion mode
RD
10
2 MSPS§
1.33 MSPS§
Dual continuous conversion mode
RD
11
2 MSPS
1.33 MSPS
Speed is calculated for 5-V with a 2-V reference
(5.5 V to 3 V, I-temperature and C-temperature: 2 MSPS at 10 bit, 3 MSPS at 8 bit, 7 MSPS at 4 bit;
3 V to 2.7 V, C-temperature: 2 MSPS at 10 bit, 2.5 MSPS at 8 bit, 7 MSPS at 4 bit;
3 V to 2.7 V, I-temperature: 1.6 MSPS at 10 bit, 2.5 MSPS at 8 bit, 7 MSPS at 4 bit).
Higher throughput is possible when the linearity requirement is relaxed.
Dual interrupt mode is available to 8-bit or 10-bit resolution and single-ended input type.
§ Throughput from single selected channel.
Combined throughputs from a pair of selected channels.
RD-Strobe
Mono Interrupt Mode: 0 RD-Delay
Mono Continuous Mode : 1 RD-Delay
Dual Continuous Mode : 2~3 RD-Delay
Dual Interrupt Mode: 0~1 RD-Delay
Conversion Results
Conversion Start
Figure 10. Digital Delays for Different Conversion Modes
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