ADS8519 | |
|---|---|
| Manufacturer Part Number | ADS8519 |
| Description | The ADS8519 is a complete 16-bit sampling analog-to-digital (A/D) converter using state-of-the-art CMOS structures |
| Manufacturer | Texas Instruments |
| ADS8519 datasheets |
|
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Specifications of ADS8519 | |||
|---|---|---|---|
| Resolution(bits) | 16 | Sample Rate (max)(sps) | 250kSPS |
| # Input Channels | 1 | Interface | Serial SPI |
| Dnl(max)(+/-lsb) | 1 | Inl(max)(+/-lsb) | 2 |
| Inl (+/-)(max)(%) | 0.00300 | Snr(db) | 93 |
| Sinad(db) | 92 | Input Range | +8.192V; +/-5V, 10V |
| Power Consumption(typ)(mw) | 100 | Reference Mode | Int , Ext |
| Architecture | SAR | Analog Voltage Av/dd(min)(v) | 4.75 |
| Analog Voltage Av/dd(max)(v) | 5.25 | Digital Supply(min)(v) | 1.65 |
| Digital Supply(max)(v) | 5.25 | Operating Temperature Range(c) | -40 to 85 |
| Pin/package | 28SSOP | Integrated Features | Internal Reference |
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Table 4. Output Codes and Ideal Input Voltages
DESCRIPTION
ANALOG INPUT RANGE
Full-scale range
±10V
±5V
Least significant
305mV
153mV
bit (LSB)
+Full-scale
9.999695V
4.999847V
(FS – 1LSB)
Midscale
0V
0V
One LSB below
–305mV
153mV
midscale
–Full scale
–10V
–5V
±10V
+5V
2.2 F
m
175kW
20kW
Gain
2.2 F
m
30kW
(a) ±10V With Hardware Trim
Copyright © 2007–2010, Texas Instruments Incorporated
BINARY TWOS COMPLEMENT
0V to 8.192V
(SB/BTC LOW)
125mV
BINARY CODE
HEX CODE
8.191875V
0111 1111 1111 1111
4.096V
0000 0000 0000 0000
4.095975V
1111 1111 1111 1111
0V
1000 0000 0000 0000
1
±10V
R1
IN
2
AGND1
7
REF
6
CAP
9
AGND2
(b) ±10V Without Hardware Trim
Figure 32. Gain Adjust Trim
Product Folder Link(s):
ADS8519
ADS8519
SLAS462D – JUNE 2007 – REVISED SEPTEMBER 2010
DIGITAL OUTPUT
STRAIGHT BINARY
(SB/BTC HIGH)
BINARY CODE
HEX CODE
7FFF
1111 1111 1111 1111
FFFF
0000
1000 0000 0000 0000
8000
FFFF
0111 1111 1111 1111
7FFF
8000
0000 0000 0000 0000
0000
1
R1
IN
2
AGND1
2.2 F
m
7
REF
6
CAP
2.2 F
m
9
AGND2
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