ZHCUB80C August 2004 – July 2023 PGA309
| 位編號 | D15 | D14 | D13 | D12 | D11 | D10 | D9 | D8 | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 |
| 位名 | 0WD | GO2 | GO1 | GO0 | GI3 | GI2 | GI1 | GI0 | RFB | RFB | RFB | OS4 | OS3 | OS2 | OS1 | OS0 |
| POR 值 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
位說明：
OWD：單線制禁用（僅在啟用 VOUT 時(shí)有效，當(dāng) PRG 連接到 VOUT 時(shí)使用）
1 = 禁用
0 = 啟用
GO[2:0]：輸出放大器增益選擇，1/7 加內(nèi)部反饋禁用
GI[3:0]：前端 PGA 增益選擇，1/8，輸入多路復(fù)用器控制
GI[3] = 輸入多路復(fù)用器控制
GI[2:0] = 增益選擇
RFB：保留出廠位：設(shè)置為零以確保正常運(yùn)行
OS[4:0]：前端 PGA 上的粗略失調(diào)電壓調(diào)整，4 位 + 符號
1LSB = (VREF)(0.85E ? 3)
| GO2 [14] | GO1 [13] | GO0 [12] | 輸出放大器增益 |
|---|---|---|---|
| 0 | 0 | 0 | 2 |
| 0 | 0 | 1 | 2.4 |
| 0 | 1 | 0 | 3 |
| 0 | 1 | 1 | 3.6 |
| 1 | 0 | 0 | 4.5 |
| 1 | 0 | 1 | 6 |
| 1 | 1 | 0 | 9 |
| 1 | 1 | 1 | 禁用內(nèi)部反饋 |
| GI2 GAIN SEL2 [10] | GI1 GAIN SEL1 [9] | GI0 GAIN SEL0 [8] | 前端 PGA 增益 |
|---|---|---|---|
| 0 | 0 | 0 | 4 |
| 0 | 0 | 1 | 8 |
| 0 | 1 | 0 | 16 |
| 0 | 1 | 1 | 23.27 |
| 1 | 0 | 0 | 32 |
| 1 | 0 | 1 | 42.67 |
| 1 | 1 | 0 | 64 |
| 1 | 1 | 1 | 128 |
| GI3 MUX CNTL | 輸入多路復(fù)用器狀態(tài)(1) |
|---|---|
| 0 | VIN1 = VINP，VIN2 = VINN |
| 1 | VIN1 = VINN，VIN2 = VINP |
| OS4 [4] | OS3 [3] | OS2 [2] | OS1 [1] | OS0 [0] | 粗略失調(diào)電壓 (mV) | 粗略失調(diào)電壓 |
|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | -59.5 | ?14 (VREF)(0.85E ? 3) |
| 1 | 1 | 1 | 1 | 0 | -55.25 | ?13 (VREF)(0.85E ? 3) |
| 1 | 1 | 1 | 0 | 1 | -51 | ?12 (VREF)(0.85E ? 3) |
| 1 | 1 | 1 | 0 | 0 | -46.75 | ?11 (VREF)(0.85E ? 3) |
| 1 | 1 | 0 | 1 | 1 | -42.5 | ?10 (VREF)(0.85E ? 3) |
| 1 | 1 | 0 | 1 | 0 | -38.25 | ?9 (VREF)(0.85E ? 3) |
| 1 | 1 | 0 | 0 | 1 | -34 | ?8 (VREF)(0.85E ? 3) |
| 1 | 1 | 0 | 0 | 0 | -29.75 | ?7 (VREF)(0.85E ? 3) |
| 1 | 0 | 1 | 1 | 1 | -29.75 | ?7 (VREF)(0.85E ? 3) |
| 1 | 0 | 1 | 1 | 0 | -25.5 | ?6 (VREF)(0.85E ? 3) |
| 1 | 0 | 1 | 0 | 1 | -21.25 | ?5 (VREF)(0.85E ? 3) |
| 1 | 0 | 1 | 0 | 0 | -17 | ?4 (VREF)(0.85E ? 3) |
| 1 | 0 | 1 | 0 | 1 | -12.75 | ?3 (VREF)(0.85E ? 3) |
| 1 | 0 | 0 | 1 | 0 | -8.5 | ?2 (VREF)(0.85E ? 3) |
| 1 | 0 | 0 | 0 | 1 | -4.25 | ?1 (VREF)(0.85E ? 3) |
| 1 | 0 | 0 | 0 | 0 | 0 | 0VREF |
| 0 | 0 | 0 | 0 | 0 | 0 | 0VREF |
| 0 | 0 | 0 | 0 | 1 | +4.25 | +1 (VREF)(0.85E ? 3) |
| 0 | 0 | 0 | 1 | 0 | +8.5 | +2 (VREF)(0.85E ? 3) |
| 0 | 0 | 0 | 1 | 1 | +12.75 | +3 (VREF)(0.85E ? 3) |
| 0 | 0 | 1 | 0 | 0 | +17 | +4 (VREF)(0.85E ? 3) |
| 0 | 0 | 1 | 0 | 1 | +21.25 | +5 (VREF)(0.85E ? 3) |
| 0 | 0 | 1 | 1 | 0 | +25.5 | +6 (VREF)(0.85E ? 3) |
| 0 | 0 | 1 | 1 | 1 | +29.75 | +7 (VREF)(0.85E ? 3) |
| 0 | 1 | 0 | 0 | 0 | +29.75 | +7 (VREF)(0.85E ? 3) |
| 0 | 1 | 0 | 0 | 1 | +34 | +8 (VREF)(0.85E ? 3) |
| 0 | 1 | 0 | 1 | 0 | +38.25 | +9 (VREF)(0.85E ? 3) |
| 0 | 1 | 0 | 1 | 1 | +42.5 | +10 (VREF)(0.85E ? 3) |
| 0 | 1 | 1 | 0 | 0 | +46.75 | +11 (VREF)(0.85E ? 3) |
| 0 | 1 | 1 | 0 | 1 | +51 | +12 (VREF)(0.85E ? 3) |
| 0 | 1 | 1 | 1 | 0 | +55.25 | +13 (VREF)(0.85E ? 3) |
| 0 | 1 | 1 | 1 | 1 | +59.5 | +14 (VREF)(0.85E ? 3) |