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| Part Number | ADS7844EG4 | ADS7844NG4 | ADS7841EG4 | ADS7842EG4 | ADS7844EBG4 |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Discontinued at Digi-Key | Discontinued at Digi-Key | Discontinued at Digi-Key | Discontinued at Digi-Key | Discontinued at Digi-Key |
| Number of Bits | 12 | 12 | 12 | 12 | 12 |
| Sampling Rate (Per Second) | 200k | 200k | 200k | 200k | 200k |
| Number of Inputs | 4, 8 | 4, 8 | 4 | 4 | 4, 8 |
| Input Type | Differential, Single Ended | Differential, Single Ended | Single Ended | Single Ended | Differential, Single Ended |
| Data Interface | SPI | SPI | SPI | Parallel | SPI |
| Configuration | MUX-S/H-ADC | MUX-S/H-ADC | MUX-S/H-ADC | MUX-S/H-ADC | MUX-S/H-ADC |
| Ratio - S/H:ADC | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 |
| Number of A/D Converters | 1 | 1 | 1 | 1 | 1 |
| Architecture | SAR | SAR | SAR | SAR | SAR |
| Reference Type | External | External | External | External | External |
| Voltage - Supply, Analog | 2.7V ~ 3.6V, 5V | 2.7V ~ 3.6V, 5V | 2.7V ~ 3.6V, 5V | 2.7V ~ 3.6V, 5V | 2.7V ~ 3.6V, 5V |
| Voltage - Supply, Digital | 2.7V ~ 3.6V, 5V | 2.7V ~ 3.6V, 5V | 2.7V ~ 3.6V, 5V | 2.7V ~ 3.6V, 5V | 2.7V ~ 3.6V, 5V |
| Features | - | - | - | Selectable Address | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 20-SSOP (0.154", 3.90mm Width) | 20-SSOP (0.209", 5.30mm Width) | 16-SSOP (0.154", 3.90mm Width) | 28-SSOP (0.209", 5.30mm Width) | 20-SSOP (0.154", 3.90mm Width) |
| Supplier Device Package | 20-SSOP | 20-SSOP | 16-SSOP | 28-SSOP | 20-SSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
